[{"id":4,"label":"","order":1,"sampling_frequency":"hourly","aggregation":"mean","data_start_date":"1987-07-01T09:00:00+00:00","data_end_date":"2015-12-31T23:00:00+00:00","data_origin":"instrument","data_origin_type":"measurement","provider_version":"N/A","sampling_height":2.0,"additional_metadata":{},"doi":"","coverage":-1.0,"station":{"id":3,"codes":["02-068-0003"],"name":"","coordinates":{"lat":63.7232,"lng":-148.9676,"alt":663.0},"coordinate_validation_status":"not checked","country":"United States of America","state":"Alaska","type":"unknown","type_of_area":"unknown","timezone":"America/Anchorage","additional_metadata":{"rice_production":0.0,"wheat_production":0.0,"soybean_production":0.0},"aux_images":[],"aux_docs":[],"aux_urls":[],"globalmeta":{"mean_topography_srtm_alt_90m_year1994":-999.0,"mean_topography_srtm_alt_1km_year1994":-999.0,"max_topography_srtm_relative_alt_5km_year1994":-999.0,"min_topography_srtm_relative_alt_5km_year1994":-999.0,"stddev_topography_srtm_relative_alt_5km_year1994":-999.0,"climatic_zone_year2016":"10 (boreal dry)","htap_region_tier1_year2010":"3 (NAM US+Canada (upto 66 N; polar circle))","dominant_landcover_year2012":"160 (Tree cover, flooded, fresh or brakish water)","landcover_description_25km_year2012":"120 (Shrubland): 43.3 %, 70 (Tree cover, needleleaved, evergreen, closed to open (>15%)): 12.5 %, 200 (Bare areas): 11.8 %, 150 (Sparse vegetation (tree, shrub, herbaceous cover) (<15%)): 7.4 %, 100 (Mosaic tree and shrub (>50%) / herbaceous cover (<50%)): 6.3 %, 71 (Tree cover, needleleaved, evergreen, closed (>40%)): 6.1 %, 130 (Grassland): 5.1 %, 90 (Tree cover, mixed leaf type (broadleaved and needleleaved)): 4.2 %, 140 (Lichens and mosses): 1.5 %","dominant_ecoregion_year2017":"405 (Alaska-St. Elias Range tundra)","ecoregion_description_25km_year2017":"405 (Alaska-St. Elias Range tundra): 99.9 %","distance_to_major_road_year2020":142.7856087609722,"mean_stable_nightlights_1km_year2013":0.0,"mean_stable_nightlights_5km_year2013":1.0236966824644549,"max_stable_nightlights_25km_year2013":28.0,"max_stable_nightlights_25km_year1992":45.0,"mean_population_density_250m_year2015":11.890307760029861,"mean_population_density_5km_year2015":0.484873661081172,"max_population_density_25km_year2015":208.95308062333189,"mean_population_density_250m_year1990":10.807161146150884,"mean_population_density_5km_year1990":0.4407041146318869,"max_population_density_25km_year1990":186.83154073900474,"mean_nox_emissions_10km_year2015":151.06060791015625,"mean_nox_emissions_10km_year2000":200.96214294433594,"toar1_category":"unknown","toar2_category":"unknown"},"changelog":[{"datetime":"2025-06-25T11:38:42.624361+00:00","description":"Sabine Schröder (s.schroeder@fz-juelich.de): NOLOG","old_value":"{'additional_metadata': '{}'}","new_value":"{'additional_metadata': {'rice_production': 0.0, 'soybean_production': 0.0, 'wheat_production': 0.0}}","station_id":3,"author_id":17,"type_of_change":"single value correction in metadata"}]},"variable":{"name":"o3","longname":"ozone","displayname":"Ozone","cf_standardname":"mole_fraction_of_ozone_in_air","units":"nmol mol-1","chemical_formula":"O3","id":5},"programme":{"id":0,"name":"None","longname":"","homepage":"","description":""},"roles":[{"id":29,"role":"resource provider","status":"active","contact":{"id":58,"organisation":{"id":60,"name":"EPA","longname":"United States Environmental Protection Agency","kind":"government","city":"","postcode":"","street_address":"","country":"United States of America","homepage":"https://www.epa.gov/outdoor-air-quality-data","contact_url":"https://www.epa.gov/outdoor-air-quality-data/forms/contact-us-about-outdoor-air-quality-data"}}}],"changelog":[{"datetime":"2021-08-31T13:55:34.551770+00:00","description":"time series created","old_value":"","new_value":"","timeseries_id":4,"author_id":1,"type_of_change":"created"}]},{"id":6,"label":"","order":1,"sampling_frequency":"hourly","aggregation":"mean","data_start_date":"1992-01-01T01:00:00+00:00","data_end_date":"2019-01-01T05:00:00+00:00","data_origin":"instrument","data_origin_type":"measurement","provider_version":"N/A","sampling_height":2.0,"additional_metadata":{},"doi":"","coverage":-1.0,"station":{"id":5,"codes":["CAPMCANU1ALT","129401"],"name":"Alert","coordinates":{"lat":82.45083,"lng":-62.50556,"alt":187.0},"coordinate_validation_status":"verified","country":"Canada","state":"Nunavut","type":"background","type_of_area":"rural","timezone":"America/Pangnirtung","additional_metadata":{"rice_production":0.0,"wheat_production":0.0,"soybean_production":0.0},"aux_images":[],"aux_docs":[],"aux_urls":[],"globalmeta":{"mean_topography_srtm_alt_90m_year1994":-999.0,"mean_topography_srtm_alt_1km_year1994":-999.0,"max_topography_srtm_relative_alt_5km_year1994":-999.0,"min_topography_srtm_relative_alt_5km_year1994":-999.0,"stddev_topography_srtm_relative_alt_5km_year1994":-999.0,"climatic_zone_year2016":"12 (polar dry)","htap_region_tier1_year2010":"16 (NPO Arctic Circle (North of 66 N) + Greenland)","dominant_landcover_year2012":"200 (Bare areas)","landcover_description_25km_year2012":"","dominant_ecoregion_year2017":"412 (Canadian High Arctic tundra)","ecoregion_description_25km_year2017":"412 (Canadian High Arctic tundra): 65.6 %, 0 (Rock and Ice): 34.4 %","distance_to_major_road_year2020":-999.0,"mean_stable_nightlights_1km_year2013":-999.0,"mean_stable_nightlights_5km_year2013":-999.0,"max_stable_nightlights_25km_year2013":-999.0,"max_stable_nightlights_25km_year1992":-999.0,"mean_population_density_250m_year2015":0.0,"mean_population_density_5km_year2015":1.1794411161467133e-08,"max_population_density_25km_year2015":2.1061207016304795e-05,"mean_population_density_250m_year1990":0.0,"mean_population_density_5km_year1990":8.332348310110107e-09,"max_population_density_25km_year1990":1.4879022809084168e-05,"mean_nox_emissions_10km_year2015":0.0,"mean_nox_emissions_10km_year2000":0.0001906077959574759,"toar1_category":"unknown","toar2_category":"unknown"},"changelog":[{"datetime":"2022-02-27T20:38:27.246136+00:00","description":"adding station code","old_value":"{'codes': '['ALT482N00']'}","new_value":"{'codes': ['129401', 'ALT482N00']}","station_id":5,"author_id":1,"type_of_change":"single value correction in metadata"},{"datetime":"2022-07-09T17:34:35.849664+00:00","description":"adding station code","old_value":"{'codes': '['129401', 'ALT482N00']'}","new_value":"{'codes': ['CAPMCANU1ALT', '129401']}","station_id":5,"author_id":1,"type_of_change":"single value correction in metadata"},{"datetime":"2025-06-25T11:38:42.748750+00:00","description":"Sabine Schröder (s.schroeder@fz-juelich.de): NOLOG","old_value":"{'additional_metadata': '{}'}","new_value":"{'additional_metadata': {'rice_production': 0.0, 'soybean_production': 0.0, 'wheat_production': 0.0}}","station_id":5,"author_id":17,"type_of_change":"single value correction in metadata"}]},"variable":{"name":"o3","longname":"ozone","displayname":"Ozone","cf_standardname":"mole_fraction_of_ozone_in_air","units":"nmol mol-1","chemical_formula":"O3","id":5},"programme":{"id":2,"name":"GAW","longname":"Global Atmospheric Watch Program","homepage":"https://public.wmo.int/en/programmes/global-atmosphere-watch-programme","description":"Addressing atmospheric composition on all scales: from global and regional to local and urban"},"roles":[{"id":1052,"role":"resource provider","status":"active","contact":{"id":669,"organisation":{"id":665,"name":"EBAS","longname":"EBAS","kind":"research","city":"","postcode":"","street_address":"","country":"Norway","homepage":"https://ebas.nilu.no/","contact_url":"mailto:ebas@nilu.no"}}}],"changelog":[{"datetime":"2021-08-31T13:55:34.551790+00:00","description":"time series created","old_value":"","new_value":"","timeseries_id":6,"author_id":1,"type_of_change":"created"}]},{"id":7,"label":"","order":1,"sampling_frequency":"hourly","aggregation":"mean","data_start_date":"1994-08-15T01:30:00+00:00","data_end_date":"2016-12-16T07:30:00+00:00","data_origin":"instrument","data_origin_type":"measurement","provider_version":"N/A","sampling_height":2.0,"additional_metadata":{},"doi":"https://doi.org/10.34730/a7bdd04d3b9a43daa959246b5947fce8","coverage":-1.0,"station":{"id":6,"codes":["WLG"],"name":"WaLiGuan","coordinates":{"lat":36.28,"lng":100.9,"alt":3810.0},"coordinate_validation_status":"not checked","country":"China","state":"Qinghai Sheng","type":"background","type_of_area":"rural","timezone":"Asia/Shanghai","additional_metadata":{"rice_production":0.0,"wheat_production":31.17673595,"soybean_production":0.0},"aux_images":[],"aux_docs":[],"aux_urls":[],"globalmeta":{"mean_topography_srtm_alt_90m_year1994":3730.0,"mean_topography_srtm_alt_1km_year1994":3697.235164835165,"max_topography_srtm_relative_alt_5km_year1994":84.0,"min_topography_srtm_relative_alt_5km_year1994":-752.0,"stddev_topography_srtm_relative_alt_5km_year1994":-3560.7815471530753,"climatic_zone_year2016":"8 (cool temperate dry)","htap_region_tier1_year2010":"6 (EAS East Asia: China, Korea, Japan)","dominant_landcover_year2012":"130 (Grassland)","landcover_description_25km_year2012":"130 (Grassland): 85.8 %, 210 (Water bodies): 6.7 %, 40 (Mosaic natural vegetation (tree, shrub, herbaceous cover) (>50%) / cropland (<50%)): 4.1 %, 30 (Mosaic cropland (>50%) / natural vegetation (tree, shrub, herbaceous cover) (<50%)): 1.2 %, 10 (Cropland, rainfed): 1.0 %","dominant_ecoregion_year2017":"750 (Central Tibetan Plateau alpine steppe)","ecoregion_description_25km_year2017":"750 (Central Tibetan Plateau alpine steppe): 76.4 %, 768 (Tibetan Plateau alpine shrublands and meadows): 23.6 %","distance_to_major_road_year2020":3595.1483499561646,"mean_stable_nightlights_1km_year2013":0.0,"mean_stable_nightlights_5km_year2013":0.0,"max_stable_nightlights_25km_year2013":54.0,"max_stable_nightlights_25km_year1992":23.0,"mean_population_density_250m_year2015":0.0,"mean_population_density_5km_year2015":0.0,"max_population_density_25km_year2015":4960.909885250877,"mean_population_density_250m_year1990":0.0,"mean_population_density_5km_year1990":0.0,"max_population_density_25km_year1990":5311.749164392286,"mean_nox_emissions_10km_year2015":192.78152465820312,"mean_nox_emissions_10km_year2000":107.84756469726562,"toar1_category":"unknown","toar2_category":"rural"},"changelog":[{"datetime":"2025-02-17T09:35:33.877019+00:00","description":"add toar2_category from ML application","old_value":"{'toar2_category': 'Unknown'}","new_value":"{'toar2_category': 'Rural'}","station_id":6,"author_id":1,"type_of_change":"single value correction in metadata"},{"datetime":"2025-06-25T11:38:42.795577+00:00","description":"Sabine Schröder (s.schroeder@fz-juelich.de): NOLOG","old_value":"{'additional_metadata': '{}'}","new_value":"{'additional_metadata': {'rice_production': 0.0, 'soybean_production': 0.0, 'wheat_production': 31.17673595}}","station_id":6,"author_id":17,"type_of_change":"single value correction in metadata"}]},"variable":{"name":"o3","longname":"ozone","displayname":"Ozone","cf_standardname":"mole_fraction_of_ozone_in_air","units":"nmol mol-1","chemical_formula":"O3","id":5},"programme":{"id":0,"name":"None","longname":"","homepage":"","description":""},"roles":[{"id":1340,"role":"resource provider","status":"active","contact":{"id":954,"organisation":{"id":690,"name":"CMA","longname":"China Meteorological Administration","kind":"government","city":"Beijing","postcode":"100081","street_address":"No.46 Zhongguancun South Street, Haidian District","country":"China","homepage":"https://www.cma.gov.cn/","contact_url":""}}},{"id":1341,"role":"principal investigator","status":"active","contact":{"id":955,"person":{"id":274,"name":"Xu Xiaobin","email":"xiaobin_xu@189.cn","phone":"","orcid":"0000-0000-0000-0000","isprivate":false},"organisation":{"id":690,"name":"CMA","longname":"China Meteorological Administration","kind":"government","city":"Beijing","postcode":"100081","street_address":"No.46 Zhongguancun South Street, Haidian District","country":"China","homepage":"https://www.cma.gov.cn/","contact_url":""}}},{"id":1342,"role":"point of contact","status":"active","contact":{"id":955,"person":{"id":274,"name":"Xu Xiaobin","email":"xiaobin_xu@189.cn","phone":"","orcid":"0000-0000-0000-0000","isprivate":false},"organisation":{"id":690,"name":"CMA","longname":"China Meteorological Administration","kind":"government","city":"Beijing","postcode":"100081","street_address":"No.46 Zhongguancun South Street, Haidian District","country":"China","homepage":"https://www.cma.gov.cn/","contact_url":""}}}],"changelog":[{"datetime":"2021-08-31T13:55:34.551800+00:00","description":"time series created","old_value":"","new_value":"","timeseries_id":7,"author_id":1,"type_of_change":"created"}]},{"id":10,"label":"","order":1,"sampling_frequency":"hourly","aggregation":"mean","data_start_date":"1991-01-01T00:00:00+00:00","data_end_date":"2017-12-31T23:00:00+00:00","data_origin":"instrument","data_origin_type":"measurement","provider_version":"N/A","sampling_height":2.0,"additional_metadata":{},"doi":"","coverage":-1.0,"station":{"id":9,"codes":["SE0013R"],"name":"Esrange","coordinates":{"lat":67.883333,"lng":21.066667,"alt":475.0},"coordinate_validation_status":"not checked","country":"Sweden","state":"Norrbottens län","type":"background","type_of_area":"rural","timezone":"Europe/Stockholm","additional_metadata":{"rice_production":0.0,"wheat_production":0.0,"soybean_production":0.0},"aux_images":[],"aux_docs":[],"aux_urls":[],"globalmeta":{"mean_topography_srtm_alt_90m_year1994":-999.0,"mean_topography_srtm_alt_1km_year1994":-999.0,"max_topography_srtm_relative_alt_5km_year1994":-999.0,"min_topography_srtm_relative_alt_5km_year1994":-999.0,"stddev_topography_srtm_relative_alt_5km_year1994":-999.0,"climatic_zone_year2016":"9 (boreal moist)","htap_region_tier1_year2010":"16 (NPO Arctic Circle (North of 66 N) + Greenland)","dominant_landcover_year2012":"70 (Tree cover, needleleaved, evergreen, closed to open (>15%))","landcover_description_25km_year2012":"70 (Tree cover, needleleaved, evergreen, closed to open (>15%)): 63.0 %, 180 (Shrub or herbaceous cover, flooded, fresh/saline/brakish water): 22.9 %, 210 (Water bodies): 4.5 %, 100 (Mosaic tree and shrub (>50%) / herbaceous cover (<50%)): 3.6 %, 60 (Tree cover, broadleaved, deciduous, closed to open (>15%)): 3.1 %, 110 (Mosaic herbaceous cover (>50%) / tree and shrub (<50%)): 2.3 %","dominant_ecoregion_year2017":"717 (Scandinavian and Russian taiga)","ecoregion_description_25km_year2017":"717 (Scandinavian and Russian taiga): 95.7 %, 780 (Scandinavian Montane Birch forest and grasslands): 4.3 %","distance_to_major_road_year2020":1063.937973676784,"mean_stable_nightlights_1km_year2013":9.0,"mean_stable_nightlights_5km_year2013":3.5101214574898787,"max_stable_nightlights_25km_year2013":55.0,"max_stable_nightlights_25km_year1992":36.0,"mean_population_density_250m_year2015":0.0,"mean_population_density_5km_year2015":0.1361806430330585,"max_population_density_25km_year2015":181.2387759016244,"mean_population_density_250m_year1990":0.0,"mean_population_density_5km_year1990":0.14200154811733234,"max_population_density_25km_year1990":218.0549768342951,"mean_nox_emissions_10km_year2015":59.401832580566406,"mean_nox_emissions_10km_year2000":95.3597183227539,"toar1_category":"unknown","toar2_category":"unknown"},"changelog":[{"datetime":"2025-06-25T11:38:42.962146+00:00","description":"Sabine Schröder (s.schroeder@fz-juelich.de): NOLOG","old_value":"{'additional_metadata': '{}'}","new_value":"{'additional_metadata': {'rice_production': 0.0, 'soybean_production': 0.0, 'wheat_production': 0.0}}","station_id":9,"author_id":17,"type_of_change":"single value correction in metadata"}]},"variable":{"name":"o3","longname":"ozone","displayname":"Ozone","cf_standardname":"mole_fraction_of_ozone_in_air","units":"nmol mol-1","chemical_formula":"O3","id":5},"programme":{"id":2,"name":"GAW","longname":"Global Atmospheric Watch Program","homepage":"https://public.wmo.int/en/programmes/global-atmosphere-watch-programme","description":"Addressing atmospheric composition on all scales: from global and regional to local and urban"},"roles":[{"id":1052,"role":"resource provider","status":"active","contact":{"id":669,"organisation":{"id":665,"name":"EBAS","longname":"EBAS","kind":"research","city":"","postcode":"","street_address":"","country":"Norway","homepage":"https://ebas.nilu.no/","contact_url":"mailto:ebas@nilu.no"}}}],"changelog":[{"datetime":"2021-08-31T13:55:34.551820+00:00","description":"time series created","old_value":"","new_value":"","timeseries_id":10,"author_id":1,"type_of_change":"created"}]},{"id":12,"label":"","order":1,"sampling_frequency":"hourly","aggregation":"mean","data_start_date":"1976-03-31T16:00:00+00:00","data_end_date":"2014-03-31T15:00:00+00:00","data_origin":"instrument","data_origin_type":"measurement","provider_version":"N/A","sampling_height":2.0,"additional_metadata":{},"doi":"","coverage":-1.0,"station":{"id":11,"codes":["jp13101010"],"name":"Chiyodakukandatsukasachou","coordinates":{"lat":35.6922,"lng":139.7689,"alt":2.0},"coordinate_validation_status":"not checked","country":"Japan","state":"Shizuoka-ken","type":"background","type_of_area":"urban","timezone":"Asia/Tokyo","additional_metadata":{"rice_production":559.4122856,"wheat_production":12.64906602,"soybean_production":4.210678582},"aux_images":[],"aux_docs":[],"aux_urls":[],"globalmeta":{"mean_topography_srtm_alt_90m_year1994":21.0,"mean_topography_srtm_alt_1km_year1994":20.05934065934066,"max_topography_srtm_relative_alt_5km_year1994":53.0,"min_topography_srtm_relative_alt_5km_year1994":0.0,"stddev_topography_srtm_relative_alt_5km_year1994":-9.352232467262725,"climatic_zone_year2016":"5 (warm temperate moist)","htap_region_tier1_year2010":"6 (EAS East Asia: China, Korea, Japan)","dominant_landcover_year2012":"190 (Urban areas)","landcover_description_25km_year2012":"190 (Urban areas): 75.1 %, 210 (Water bodies): 19.6 %, 20 (Cropland, irrigated or post-flooding): 2.9 %, 10 (Cropland, rainfed): 1.3 %","dominant_ecoregion_year2017":"682 (Taiheiyo evergreen forests)","ecoregion_description_25km_year2017":"682 (Taiheiyo evergreen forests): 82.8 %, 0 (Rock and Ice): 17.2 %","distance_to_major_road_year2020":34.21368818154519,"mean_stable_nightlights_1km_year2013":63.0,"mean_stable_nightlights_5km_year2013":63.0,"max_stable_nightlights_25km_year2013":63.0,"max_stable_nightlights_25km_year1992":63.0,"mean_population_density_250m_year2015":4910.184053073163,"mean_population_density_5km_year2015":13827.487079519615,"max_population_density_25km_year2015":22738.635920439705,"mean_population_density_250m_year1990":4062.595508719448,"mean_population_density_5km_year1990":10911.150329108363,"max_population_density_25km_year1990":17796.72637113646,"mean_nox_emissions_10km_year2015":132864.84375,"mean_nox_emissions_10km_year2000":253501.109375,"toar1_category":"unknown","toar2_category":"urban"},"changelog":[{"datetime":"2025-02-17T09:31:15.394153+00:00","description":"add toar2_category from ML application","old_value":"{'toar2_category': 'Unknown'}","new_value":"{'toar2_category': 'Urban'}","station_id":11,"author_id":1,"type_of_change":"single value correction in metadata"},{"datetime":"2025-06-25T11:38:43.182758+00:00","description":"Sabine Schröder (s.schroeder@fz-juelich.de): NOLOG","old_value":"{'additional_metadata': '{}'}","new_value":"{'additional_metadata': {'rice_production': 559.4122856, 'soybean_production': 4.210678582, 'wheat_production': 12.64906602}}","station_id":11,"author_id":17,"type_of_change":"single value correction in metadata"}]},"variable":{"name":"o3","longname":"ozone","displayname":"Ozone","cf_standardname":"mole_fraction_of_ozone_in_air","units":"nmol mol-1","chemical_formula":"O3","id":5},"programme":{"id":0,"name":"None","longname":"","homepage":"","description":""},"roles":[{"id":1037,"role":"resource provider","status":"active","contact":{"id":661,"organisation":{"id":661,"name":"NIES","longname":"National Institute for Environmental Studies","kind":"government","city":"","postcode":"","street_address":"","country":"Japan","homepage":"https://tenbou.nies.go.jp/","contact_url":"https://esd.nies.go.jp/en/"}}},{"id":1038,"role":"principal investigator","status":"active","contact":{"id":660,"person":{"id":10,"name":"Hiroshi Tanimoto","email":"tanimoto@nies.go.jp","phone":"","orcid":"0000-0000-0000-0000","isprivate":false},"organisation":{"id":661,"name":"NIES","longname":"National Institute for Environmental Studies","kind":"government","city":"","postcode":"","street_address":"","country":"Japan","homepage":"https://tenbou.nies.go.jp/","contact_url":"https://esd.nies.go.jp/en/"}}}],"changelog":[{"datetime":"2021-08-31T13:55:34.551840+00:00","description":"time series created","old_value":"","new_value":"","timeseries_id":12,"author_id":1,"type_of_change":"created"}]},{"id":15,"label":"","order":1,"sampling_frequency":"hourly","aggregation":"mean","data_start_date":"2009-06-30T22:00:00+00:00","data_end_date":"2014-11-30T21:00:00+00:00","data_origin":"instrument","data_origin_type":"measurement","provider_version":"N/A","sampling_height":2.0,"additional_metadata":{},"doi":"","coverage":-1.0,"station":{"id":14,"codes":["RSA024"],"name":"Booysens","coordinates":{"lat":-26.2305944,"lng":28.0204417,"alt":1773.0},"coordinate_validation_status":"not checked","country":"South Africa","state":"Gauteng","type":"unknown","type_of_area":"urban","timezone":"Africa/Johannesburg","additional_metadata":{"rice_production":0.0,"wheat_production":0.0,"soybean_production":0.0},"aux_images":[],"aux_docs":[],"aux_urls":[],"globalmeta":{"mean_topography_srtm_alt_90m_year1994":1696.0,"mean_topography_srtm_alt_1km_year1994":1699.6345679012345,"max_topography_srtm_relative_alt_5km_year1994":102.0,"min_topography_srtm_relative_alt_5km_year1994":-62.0,"stddev_topography_srtm_relative_alt_5km_year1994":-1668.0032988257851,"climatic_zone_year2016":"6 (warm temperate dry)","htap_region_tier1_year2010":"10 (SAF Sub Saharan/sub Sahel Africa)","dominant_landcover_year2012":"190 (Urban areas)","landcover_description_25km_year2012":"190 (Urban areas): 53.9 %, 130 (Grassland): 22.9 %, 120 (Shrubland): 7.0 %, 100 (Mosaic tree and shrub (>50%) / herbaceous cover (<50%)): 6.5 %, 62 (Tree cover, broadleaved, deciduous, open (15-40%)): 2.1 %, 11 (Cropland, rainfed, herbaceous cover): 1.3 %, 40 (Mosaic natural vegetation (tree, shrub, herbaceous cover) (>50%) / cropland (<50%)): 1.2 %, 110 (Mosaic herbaceous cover (>50%) / tree and shrub (<50%)): 1.1 %","dominant_ecoregion_year2017":"81 (Highveld grasslands)","ecoregion_description_25km_year2017":"81 (Highveld grasslands): 100.0 %","distance_to_major_road_year2020":96.5869324044909,"mean_stable_nightlights_1km_year2013":63.0,"mean_stable_nightlights_5km_year2013":62.95145631067961,"max_stable_nightlights_25km_year2013":63.0,"max_stable_nightlights_25km_year1992":63.0,"mean_population_density_250m_year2015":683.7462101083622,"mean_population_density_5km_year2015":3772.176768673613,"max_population_density_25km_year2015":59504.14485554528,"mean_population_density_250m_year1990":295.30686922965464,"mean_population_density_5km_year1990":1628.943119167968,"max_population_density_25km_year1990":25683.872557066603,"mean_nox_emissions_10km_year2015":14969.3671875,"mean_nox_emissions_10km_year2000":18234.947265625,"toar1_category":"unknown","toar2_category":"urban"},"changelog":[{"datetime":"2025-02-16T18:32:32.864529+00:00","description":"add toar2_category from ML application","old_value":"{'toar2_category': 'Unknown'}","new_value":"{'toar2_category': 'Urban'}","station_id":14,"author_id":1,"type_of_change":"single value correction in metadata"},{"datetime":"2025-06-25T11:38:43.339531+00:00","description":"Sabine Schröder (s.schroeder@fz-juelich.de): NOLOG","old_value":"{'additional_metadata': '{}'}","new_value":"{'additional_metadata': {'rice_production': 0.0, 'soybean_production': 0.0, 'wheat_production': 0.0}}","station_id":14,"author_id":17,"type_of_change":"single value correction in metadata"}]},"variable":{"name":"o3","longname":"ozone","displayname":"Ozone","cf_standardname":"mole_fraction_of_ozone_in_air","units":"nmol mol-1","chemical_formula":"O3","id":5},"programme":{"id":0,"name":"None","longname":"","homepage":"","description":""},"roles":[{"id":1343,"role":"resource provider","status":"active","contact":{"id":956,"organisation":{"id":691,"name":"RSA","longname":"South African Network @ University of the Witwatersrand","kind":"university","city":"Johannesburg","postcode":"","street_address":"1 Jan Smuts Avenue, Braamfontein 2000","country":"South Africa","homepage":"https://www.wits.ac.za/gaes/","contact_url":""}}},{"id":1344,"role":"principal investigator","status":"active","contact":{"id":957,"person":{"id":275,"name":"Raeesa Moolla","email":"Raeesa.Moolla@wits.ac.za","phone":"","orcid":"0000-0001-8049-1660","isprivate":false},"organisation":{"id":691,"name":"RSA","longname":"South African Network @ University of the Witwatersrand","kind":"university","city":"Johannesburg","postcode":"","street_address":"1 Jan Smuts Avenue, Braamfontein 2000","country":"South Africa","homepage":"https://www.wits.ac.za/gaes/","contact_url":""}}}],"changelog":[{"datetime":"2021-08-31T13:55:34.551950+00:00","description":"time series created","old_value":"","new_value":"","timeseries_id":15,"author_id":1,"type_of_change":"created"}]},{"id":16,"label":"","order":1,"sampling_frequency":"hourly","aggregation":"mean","data_start_date":"2009-06-30T23:00:00+00:00","data_end_date":"2014-01-21T10:00:00+00:00","data_origin":"instrument","data_origin_type":"measurement","provider_version":"N/A","sampling_height":2.0,"additional_metadata":{},"doi":"","coverage":-1.0,"station":{"id":15,"codes":["RSA005"],"name":"Mamelodi","coordinates":{"lat":-25.7225917,"lng":28.4204139,"alt":1754.0},"coordinate_validation_status":"plausible","country":"South Africa","state":"Gauteng","type":"unknown","type_of_area":"suburban","timezone":"Africa/Johannesburg","additional_metadata":{"rice_production":0.0,"wheat_production":0.0,"soybean_production":0.0},"aux_images":[],"aux_docs":[],"aux_urls":[],"globalmeta":{"mean_topography_srtm_alt_90m_year1994":1333.0,"mean_topography_srtm_alt_1km_year1994":1332.7493796526055,"max_topography_srtm_relative_alt_5km_year1994":225.0,"min_topography_srtm_relative_alt_5km_year1994":-65.0,"stddev_topography_srtm_relative_alt_5km_year1994":-1281.1381489866417,"climatic_zone_year2016":"6 (warm temperate dry)","htap_region_tier1_year2010":"10 (SAF Sub Saharan/sub Sahel Africa)","dominant_landcover_year2012":"190 (Urban areas)","landcover_description_25km_year2012":"120 (Shrubland): 28.2 %, 130 (Grassland): 26.1 %, 190 (Urban areas): 13.7 %, 100 (Mosaic tree and shrub (>50%) / herbaceous cover (<50%)): 10.6 %, 11 (Cropland, rainfed, herbaceous cover): 8.2 %, 110 (Mosaic herbaceous cover (>50%) / tree and shrub (<50%)): 4.3 %, 40 (Mosaic natural vegetation (tree, shrub, herbaceous cover) (>50%) / cropland (<50%)): 3.0 %, 62 (Tree cover, broadleaved, deciduous, open (15-40%)): 2.4 %, 60 (Tree cover, broadleaved, deciduous, closed to open (>15%)): 1.2 %, 10 (Cropland, rainfed): 1.0 %","dominant_ecoregion_year2017":"38 (Central bushveld)","ecoregion_description_25km_year2017":"38 (Central bushveld): 68.1 %, 81 (Highveld grasslands): 31.9 %","distance_to_major_road_year2020":85.4497868588229,"mean_stable_nightlights_1km_year2013":56.0,"mean_stable_nightlights_5km_year2013":43.86138613861386,"max_stable_nightlights_25km_year2013":63.0,"max_stable_nightlights_25km_year1992":63.0,"mean_population_density_250m_year2015":23970.36484643937,"mean_population_density_5km_year2015":3844.870979563327,"max_population_density_25km_year2015":27545.669643125348,"mean_population_density_250m_year1990":10017.486937112799,"mean_population_density_5km_year1990":1701.0442257842994,"max_population_density_25km_year1990":12208.812373967137,"mean_nox_emissions_10km_year2015":1623.259521484375,"mean_nox_emissions_10km_year2000":1864.9073486328125,"toar1_category":"unknown","toar2_category":"suburban"},"changelog":[{"datetime":"2025-02-16T18:32:49.652902+00:00","description":"add toar2_category from ML application","old_value":"{'toar2_category': 'Unknown'}","new_value":"{'toar2_category': 'Suburban'}","station_id":15,"author_id":1,"type_of_change":"single value correction in metadata"},{"datetime":"2025-06-25T11:38:43.402884+00:00","description":"Sabine Schröder (s.schroeder@fz-juelich.de): NOLOG","old_value":"{'additional_metadata': '{}'}","new_value":"{'additional_metadata': {'rice_production': 0.0, 'soybean_production': 0.0, 'wheat_production': 0.0}}","station_id":15,"author_id":17,"type_of_change":"single value correction in metadata"}]},"variable":{"name":"o3","longname":"ozone","displayname":"Ozone","cf_standardname":"mole_fraction_of_ozone_in_air","units":"nmol mol-1","chemical_formula":"O3","id":5},"programme":{"id":0,"name":"None","longname":"","homepage":"","description":""},"roles":[{"id":1343,"role":"resource provider","status":"active","contact":{"id":956,"organisation":{"id":691,"name":"RSA","longname":"South African Network @ University of the Witwatersrand","kind":"university","city":"Johannesburg","postcode":"","street_address":"1 Jan Smuts Avenue, Braamfontein 2000","country":"South Africa","homepage":"https://www.wits.ac.za/gaes/","contact_url":""}}},{"id":1344,"role":"principal investigator","status":"active","contact":{"id":957,"person":{"id":275,"name":"Raeesa Moolla","email":"Raeesa.Moolla@wits.ac.za","phone":"","orcid":"0000-0001-8049-1660","isprivate":false},"organisation":{"id":691,"name":"RSA","longname":"South African Network @ University of the Witwatersrand","kind":"university","city":"Johannesburg","postcode":"","street_address":"1 Jan Smuts Avenue, Braamfontein 2000","country":"South Africa","homepage":"https://www.wits.ac.za/gaes/","contact_url":""}}}],"changelog":[{"datetime":"2021-08-31T13:55:34.551960+00:00","description":"time series created","old_value":"","new_value":"","timeseries_id":16,"author_id":1,"type_of_change":"created"}]},{"id":17,"label":"","order":1,"sampling_frequency":"hourly","aggregation":"mean","data_start_date":"1986-01-01T00:00:00+00:00","data_end_date":"1992-12-31T23:00:00+00:00","data_origin":"instrument","data_origin_type":"measurement","provider_version":"N/A","sampling_height":2.0,"additional_metadata":{},"doi":"","coverage":-1.0,"station":{"id":16,"codes":["PT04005"],"name":"Montes Chaos - Sines","coordinates":{"lat":37.933334,"lng":-8.833333,"alt":103.0},"coordinate_validation_status":"not checked","country":"Portugal","state":"unknown","type":"industrial","type_of_area":"suburban","timezone":"Europe/Lisbon","additional_metadata":{"rice_production":0.0,"wheat_production":0.0,"soybean_production":0.0},"aux_images":[],"aux_docs":[],"aux_urls":[],"globalmeta":{"mean_topography_srtm_alt_90m_year1994":-999.0,"mean_topography_srtm_alt_1km_year1994":16.205128205128204,"max_topography_srtm_relative_alt_5km_year1994":1099.0,"min_topography_srtm_relative_alt_5km_year1994":0.0,"stddev_topography_srtm_relative_alt_5km_year1994":1017.1837118785143,"climatic_zone_year2016":"6 (warm temperate dry)","htap_region_tier1_year2010":"4 (EUR Western + Eastern EU+Turkey (upto 66 N polar circle))","dominant_landcover_year2012":"210 (Water bodies)","landcover_description_25km_year2012":"210 (Water bodies): 54.6 %, 60 (Tree cover, broadleaved, deciduous, closed to open (>15%)): 14.5 %, 100 (Mosaic tree and shrub (>50%) / herbaceous cover (<50%)): 8.9 %, 11 (Cropland, rainfed, herbaceous cover): 7.7 %, 40 (Mosaic natural vegetation (tree, shrub, herbaceous cover) (>50%) / cropland (<50%)): 4.5 %, 30 (Mosaic cropland (>50%) / natural vegetation (tree, shrub, herbaceous cover) (<50%)): 3.6 %, 10 (Cropland, rainfed): 2.5 %, 20 (Cropland, irrigated or post-flooding): 1.0 %","dominant_ecoregion_year2017":"0 (Rock and Ice)","ecoregion_description_25km_year2017":"0 (Rock and Ice): 53.4 %, 805 (Southwest Iberian Mediterranean sclerophyllous and mixed forests): 46.6 %","distance_to_major_road_year2020":554.3265394164462,"mean_stable_nightlights_1km_year2013":47.0,"mean_stable_nightlights_5km_year2013":38.017391304347825,"max_stable_nightlights_25km_year2013":63.0,"max_stable_nightlights_25km_year1992":55.0,"mean_population_density_250m_year2015":19.005182858599984,"mean_population_density_5km_year2015":281.91655665992783,"max_population_density_25km_year2015":4112.3966712527235,"mean_population_density_250m_year1990":13.915837923967388,"mean_population_density_5km_year1990":241.55045312516603,"max_population_density_25km_year1990":3957.698162135145,"mean_nox_emissions_10km_year2015":44095.30078125,"mean_nox_emissions_10km_year2000":54152.79296875,"toar1_category":"unknown","toar2_category":"unknown"},"changelog":[{"datetime":"2025-03-27T16:25:06.992838+00:00","description":"added missing population density aggregates","old_value":"{'mean_population_density_250m_year2015': -999.0, 'mean_population_density_5km_year2015': 281.91655665992783, 'max_population_density_25km_year2015': 4112.3966712527235, 'mean_population_density_250m_year1990': -999.0, 'mean_population_density_5km_year1990': 241.55045312516603, 'max_population_density_25km_year1990': 3957.698162135145}","new_value":"{'mean_population_density_250m_year2015': 19.005182858599984, 'mean_population_density_5km_year2015': 281.91655665992783, 'max_population_density_25km_year2015': 4112.3966712527235, 'mean_population_density_250m_year1990': 13.915837923967388, 'mean_population_density_5km_year1990': 241.55045312516603, 'max_population_density_25km_year1990': 3957.698162135145}","station_id":16,"author_id":1,"type_of_change":"single value correction in metadata"},{"datetime":"2025-06-25T11:38:43.451692+00:00","description":"Sabine Schröder (s.schroeder@fz-juelich.de): NOLOG","old_value":"{'additional_metadata': '{}'}","new_value":"{'additional_metadata': {'rice_production': 0.0, 'soybean_production': 0.0, 'wheat_production': 0.0}}","station_id":16,"author_id":17,"type_of_change":"single value correction in metadata"}]},"variable":{"name":"o3","longname":"ozone","displayname":"Ozone","cf_standardname":"mole_fraction_of_ozone_in_air","units":"nmol mol-1","chemical_formula":"O3","id":5},"programme":{"id":0,"name":"None","longname":"","homepage":"","description":""},"roles":[{"id":25,"role":"contributor","status":"active","contact":{"id":56,"organisation":{"id":57,"name":"EEA","longname":"European Environment Agency","kind":"government","city":"","postcode":"","street_address":"","country":"Denmark","homepage":"https://www.eea.europa.eu/","contact_url":""}}},{"id":26,"role":"resource provider","status":"active","contact":{"id":56,"organisation":{"id":57,"name":"EEA","longname":"European Environment Agency","kind":"government","city":"","postcode":"","street_address":"","country":"Denmark","homepage":"https://www.eea.europa.eu/","contact_url":""}}}],"changelog":[{"datetime":"2021-08-31T13:55:34.551970+00:00","description":"time series created","old_value":"","new_value":"","timeseries_id":17,"author_id":1,"type_of_change":"created"}]},{"id":18,"label":"","order":1,"sampling_frequency":"hourly","aggregation":"mean","data_start_date":"1986-01-17T07:00:00+00:00","data_end_date":"2016-01-01T06:00:00+00:00","data_origin":"instrument","data_origin_type":"measurement","provider_version":"N/A","sampling_height":2.0,"additional_metadata":{},"doi":"","coverage":-1.0,"station":{"id":17,"codes":["MX_PED"],"name":"Pedregal","coordinates":{"lat":19.32515,"lng":-99.2041,"alt":2326.0},"coordinate_validation_status":"not checked","country":"Mexico","state":"Distrito Federal","type":"traffic","type_of_area":"urban","timezone":"America/Mexico_City","additional_metadata":{"rice_production":0.0,"wheat_production":41.56590843,"soybean_production":0.0},"aux_images":[],"aux_docs":[],"aux_urls":[],"globalmeta":{"mean_topography_srtm_alt_90m_year1994":2349.0,"mean_topography_srtm_alt_1km_year1994":2345.3204134366924,"max_topography_srtm_relative_alt_5km_year1994":350.0,"min_topography_srtm_relative_alt_5km_year1994":-101.0,"stddev_topography_srtm_relative_alt_5km_year1994":-2262.805485574704,"climatic_zone_year2016":"6 (warm temperate dry)","htap_region_tier1_year2010":"12 (MCA Mexico, Central America, Caribbean, Guyanas, Venezuela, Columbia)","dominant_landcover_year2012":"190 (Urban areas)","landcover_description_25km_year2012":"190 (Urban areas): 43.0 %, 70 (Tree cover, needleleaved, evergreen, closed to open (>15%)): 33.3 %, 11 (Cropland, rainfed, herbaceous cover): 13.9 %, 120 (Shrubland): 5.6 %, 60 (Tree cover, broadleaved, deciduous, closed to open (>15%)): 2.8 %","dominant_ecoregion_year2017":"559 (Trans-Mexican Volcanic Belt pine-oak forests)","ecoregion_description_25km_year2017":"559 (Trans-Mexican Volcanic Belt pine-oak forests): 59.2 %, 427 (Central Mexican matorral): 40.8 %","distance_to_major_road_year2020":238.58107604222943,"mean_stable_nightlights_1km_year2013":63.0,"mean_stable_nightlights_5km_year2013":62.97938144329897,"max_stable_nightlights_25km_year2013":63.0,"max_stable_nightlights_25km_year1992":63.0,"mean_population_density_250m_year2015":2455.663829427717,"mean_population_density_5km_year2015":9133.435741661111,"max_population_density_25km_year2015":37332.16088055303,"mean_population_density_250m_year1990":1740.8177413606645,"mean_population_density_5km_year1990":8097.352944942967,"max_population_density_25km_year1990":40316.710058336,"mean_nox_emissions_10km_year2015":18833.537109375,"mean_nox_emissions_10km_year2000":17115.994140625,"toar1_category":"unknown","toar2_category":"urban"},"changelog":[{"datetime":"2025-02-16T18:31:50.170070+00:00","description":"add toar2_category from ML application","old_value":"{'toar2_category': 'Unknown'}","new_value":"{'toar2_category': 'Urban'}","station_id":17,"author_id":1,"type_of_change":"single value correction in metadata"},{"datetime":"2025-06-25T11:38:43.503321+00:00","description":"Sabine Schröder (s.schroeder@fz-juelich.de): NOLOG","old_value":"{'additional_metadata': '{}'}","new_value":"{'additional_metadata': {'rice_production': 0.0, 'soybean_production': 0.0, 'wheat_production': 41.56590843}}","station_id":17,"author_id":17,"type_of_change":"single value correction in metadata"}]},"variable":{"name":"o3","longname":"ozone","displayname":"Ozone","cf_standardname":"mole_fraction_of_ozone_in_air","units":"nmol mol-1","chemical_formula":"O3","id":5},"programme":{"id":0,"name":"None","longname":"","homepage":"","description":""},"roles":[{"id":1345,"role":"principal investigator","status":"active","contact":{"id":959,"person":{"id":276,"name":"Darrel Baumgardner","email":"darrel.baumgardner@gmail.com","phone":"","orcid":"0000-0000-0000-0000","isprivate":false}}},{"id":1346,"role":"resource provider","status":"active","contact":{"id":958,"organisation":{"id":692,"name":"DMA","longname":"Dirección de Monitoreo Atmosférico","kind":"government","city":"Ciudad de México","postcode":"C.P.06500","street_address":"Rio de la Plata No. 48, Segundo Piso,Col. Cuauhtémoc, Alcaldía Cuauhtémoc","country":"Mexico","homepage":"https://www.aire.cdmx.gob.mx/","contact_url":""}}}],"changelog":[{"datetime":"2021-08-31T13:55:34.551980+00:00","description":"time series created","old_value":"","new_value":"","timeseries_id":18,"author_id":1,"type_of_change":"created"}]},{"id":19,"label":"","order":1,"sampling_frequency":"hourly","aggregation":"mean","data_start_date":"2004-05-11T12:00:00+00:00","data_end_date":"2012-12-28T19:00:00+00:00","data_origin":"instrument","data_origin_type":"measurement","provider_version":"N/A","sampling_height":2.0,"additional_metadata":{},"doi":"","coverage":-1.0,"station":{"id":18,"codes":["MK0031A"],"name":"Lisice","coordinates":{"lat":41.978333,"lng":21.470003,"alt":235.0},"coordinate_validation_status":"not checked","country":"North Macedonia","state":"Skopje","type":"industrial","type_of_area":"urban","timezone":"Europe/Skopje","additional_metadata":{"rice_production":0.0,"wheat_production":0.0,"soybean_production":0.0},"aux_images":[],"aux_docs":[],"aux_urls":[],"globalmeta":{"mean_topography_srtm_alt_90m_year1994":237.0,"mean_topography_srtm_alt_1km_year1994":237.45638945233264,"max_topography_srtm_relative_alt_5km_year1994":621.0,"min_topography_srtm_relative_alt_5km_year1994":-13.0,"stddev_topography_srtm_relative_alt_5km_year1994":-133.44767785234347,"climatic_zone_year2016":"8 (cool temperate dry)","htap_region_tier1_year2010":"4 (EUR Western + Eastern EU+Turkey (upto 66 N polar circle))","dominant_landcover_year2012":"190 (Urban areas)","landcover_description_25km_year2012":"60 (Tree cover, broadleaved, deciduous, closed to open (>15%)): 32.5 %, 10 (Cropland, rainfed): 19.8 %, 11 (Cropland, rainfed, herbaceous cover): 16.1 %, 40 (Mosaic natural vegetation (tree, shrub, herbaceous cover) (>50%) / cropland (<50%)): 9.4 %, 100 (Mosaic tree and shrub (>50%) / herbaceous cover (<50%)): 6.5 %, 190 (Urban areas): 5.4 %, 30 (Mosaic cropland (>50%) / natural vegetation (tree, shrub, herbaceous cover) (<50%)): 5.4 %, 130 (Grassland): 1.8 %, 120 (Shrubland): 1.1 %","dominant_ecoregion_year2017":"646 (Balkan mixed forests)","ecoregion_description_25km_year2017":"646 (Balkan mixed forests): 100.0 %","distance_to_major_road_year2020":223.20671208500735,"mean_stable_nightlights_1km_year2013":60.0,"mean_stable_nightlights_5km_year2013":49.664,"max_stable_nightlights_25km_year2013":63.0,"max_stable_nightlights_25km_year1992":60.0,"mean_population_density_250m_year2015":3523.7536517091257,"mean_population_density_5km_year2015":3229.9487379140014,"max_population_density_25km_year2015":13449.945085890304,"mean_population_density_250m_year1990":3059.81358102044,"mean_population_density_5km_year1990":3079.164489040328,"max_population_density_25km_year1990":14078.58067691323,"mean_nox_emissions_10km_year2015":6613.92431640625,"mean_nox_emissions_10km_year2000":19595.279296875,"toar1_category":"unknown","toar2_category":"urban"},"changelog":[{"datetime":"2025-02-16T18:29:27.177646+00:00","description":"add toar2_category from ML application","old_value":"{'toar2_category': 'Unknown'}","new_value":"{'toar2_category': 'Urban'}","station_id":18,"author_id":1,"type_of_change":"single value correction in metadata"},{"datetime":"2025-06-25T11:38:43.551709+00:00","description":"Sabine Schröder (s.schroeder@fz-juelich.de): NOLOG","old_value":"{'additional_metadata': '{}'}","new_value":"{'additional_metadata': {'rice_production': 0.0, 'soybean_production': 0.0, 'wheat_production': 0.0}}","station_id":18,"author_id":17,"type_of_change":"single value correction in metadata"}]},"variable":{"name":"o3","longname":"ozone","displayname":"Ozone","cf_standardname":"mole_fraction_of_ozone_in_air","units":"nmol mol-1","chemical_formula":"O3","id":5},"programme":{"id":0,"name":"None","longname":"","homepage":"","description":""},"roles":[{"id":25,"role":"contributor","status":"active","contact":{"id":56,"organisation":{"id":57,"name":"EEA","longname":"European Environment Agency","kind":"government","city":"","postcode":"","street_address":"","country":"Denmark","homepage":"https://www.eea.europa.eu/","contact_url":""}}},{"id":26,"role":"resource provider","status":"active","contact":{"id":56,"organisation":{"id":57,"name":"EEA","longname":"European Environment Agency","kind":"government","city":"","postcode":"","street_address":"","country":"Denmark","homepage":"https://www.eea.europa.eu/","contact_url":""}}}],"changelog":[{"datetime":"2021-08-31T13:55:34.551990+00:00","description":"time series created","old_value":"","new_value":"","timeseries_id":19,"author_id":1,"type_of_change":"created"}]}]