{"city":"Les Ulis","country":"France","lat":48.681671142578125,"lon":2.1694400310516357,"range":"48h","license":"CC BY 4.0","source":"https://cerns.io","hourly":[{"datetime_utc":"2026-05-28T05:00:00Z","aqi":71,"aqi_min":71,"aqi_max":71,"pm25":21.59614372253418,"pm10":22.443645477294922,"stations":2},{"datetime_utc":"2026-05-28T06:00:00Z","aqi":77,"aqi_min":77,"aqi_max":77,"pm25":24.497411727905273,"pm10":24.580265045166016,"stations":2},{"datetime_utc":"2026-05-28T07:00:00Z","aqi":61,"aqi_min":61,"aqi_max":61,"pm25":16.962387084960938,"pm10":17.428810119628906,"stations":2},{"datetime_utc":"2026-05-28T08:00:00Z","aqi":61,"aqi_min":61,"aqi_max":61,"pm25":16.676353454589844,"pm10":17.983856201171875,"stations":2},{"datetime_utc":"2026-05-28T09:00:00Z","aqi":58,"aqi_min":58,"aqi_max":58,"pm25":15.254858016967773,"pm10":15.53604793548584,"stations":2},{"datetime_utc":"2026-05-28T10:00:00Z","aqi":57,"aqi_min":57,"aqi_max":57,"pm25":15.11201286315918,"pm10":16.06403350830078,"stations":2},{"datetime_utc":"2026-05-28T11:00:00Z","aqi":57,"aqi_min":57,"aqi_max":57,"pm25":14.92186164855957,"pm10":17.007511138916016,"stations":2},{"datetime_utc":"2026-05-28T12:00:00Z","aqi":46,"aqi_min":46,"aqi_max":46,"pm25":11.140741348266602,"pm10":12.247054100036621,"stations":2},{"datetime_utc":"2026-05-28T13:00:00Z","aqi":39,"aqi_min":39,"aqi_max":39,"pm25":9.364121437072754,"pm10":9.8057861328125,"stations":2},{"datetime_utc":"2026-05-28T14:00:00Z","aqi":33,"aqi_min":33,"aqi_max":33,"pm25":7.937859058380127,"pm10":8.703280448913574,"stations":2},{"datetime_utc":"2026-05-28T15:00:00Z","aqi":35,"aqi_min":35,"aqi_max":35,"pm25":8.502983093261719,"pm10":8.504826545715332,"stations":2},{"datetime_utc":"2026-05-28T16:00:00Z","aqi":38,"aqi_min":38,"aqi_max":38,"pm25":9.2070951461792,"pm10":9.286619186401367,"stations":2},{"datetime_utc":"2026-05-28T17:00:00Z","aqi":39,"aqi_min":39,"aqi_max":39,"pm25":9.359542846679688,"pm10":9.559304237365723,"stations":2},{"datetime_utc":"2026-05-28T18:00:00Z","aqi":50,"aqi_min":50,"aqi_max":50,"pm25":11.976330757141113,"pm10":12.86728286743164,"stations":2},{"datetime_utc":"2026-05-28T19:00:00Z","aqi":49,"aqi_min":49,"aqi_max":49,"pm25":11.67186164855957,"pm10":11.693110466003418,"stations":2},{"datetime_utc":"2026-05-28T20:00:00Z","aqi":47,"aqi_min":47,"aqi_max":47,"pm25":11.276926040649414,"pm10":11.715973854064941,"stations":2},{"datetime_utc":"2026-05-28T21:00:00Z","aqi":55,"aqi_min":55,"aqi_max":55,"pm25":14.126509666442871,"pm10":15.13566780090332,"stations":2},{"datetime_utc":"2026-05-28T22:00:00Z","aqi":52,"aqi_min":52,"aqi_max":52,"pm25":12.512337684631348,"pm10":12.987333297729492,"stations":2},{"datetime_utc":"2026-05-28T23:00:00Z","aqi":57,"aqi_min":57,"aqi_max":57,"pm25":15.125914573669434,"pm10":15.674418449401855,"stations":2},{"datetime_utc":"2026-05-29T00:00:00Z","aqi":56,"aqi_min":56,"aqi_max":56,"pm25":14.274547576904297,"pm10":14.465370178222656,"stations":2},{"datetime_utc":"2026-05-29T01:00:00Z","aqi":56,"aqi_min":56,"aqi_max":56,"pm25":14.511445045471191,"pm10":15.223100662231445,"stations":2},{"datetime_utc":"2026-05-29T02:00:00Z","aqi":55,"aqi_min":55,"aqi_max":55,"pm25":13.993101119995117,"pm10":14.776057243347168,"stations":2},{"datetime_utc":"2026-05-29T03:00:00Z","aqi":54,"aqi_min":54,"aqi_max":54,"pm25":13.393856048583984,"pm10":14.507890701293945,"stations":2},{"datetime_utc":"2026-05-29T04:00:00Z","aqi":62,"aqi_min":62,"aqi_max":62,"pm25":17.460315704345703,"pm10":18.569175720214844,"stations":2},{"datetime_utc":"2026-05-29T05:00:00Z","aqi":57,"aqi_min":57,"aqi_max":57,"pm25":15.061894416809082,"pm10":15.267840385437012,"stations":2},{"datetime_utc":"2026-05-29T06:00:00Z","aqi":56,"aqi_min":56,"aqi_max":56,"pm25":14.29367733001709,"pm10":14.600933074951172,"stations":2},{"datetime_utc":"2026-05-29T07:00:00Z","aqi":52,"aqi_min":52,"aqi_max":52,"pm25":12.654332160949707,"pm10":12.780635833740234,"stations":2},{"datetime_utc":"2026-05-29T08:00:00Z","aqi":44,"aqi_min":44,"aqi_max":44,"pm25":10.677347183227539,"pm10":10.915850639343262,"stations":2},{"datetime_utc":"2026-05-29T09:00:00Z","aqi":43,"aqi_min":43,"aqi_max":43,"pm25":10.214529037475586,"pm10":10.21518325805664,"stations":2},{"datetime_utc":"2026-05-29T10:00:00Z","aqi":38,"aqi_min":38,"aqi_max":38,"pm25":9.191020011901855,"pm10":9.728581428527832,"stations":2},{"datetime_utc":"2026-05-29T11:00:00Z","aqi":39,"aqi_min":39,"aqi_max":39,"pm25":9.441088676452637,"pm10":9.441980361938477,"stations":2},{"datetime_utc":"2026-05-29T12:00:00Z","aqi":43,"aqi_min":43,"aqi_max":43,"pm25":10.269176483154297,"pm10":11.277382850646973,"stations":2},{"datetime_utc":"2026-05-29T13:00:00Z","aqi":35,"aqi_min":35,"aqi_max":35,"pm25":8.330891609191895,"pm10":8.412854194641113,"stations":2},{"datetime_utc":"2026-05-29T14:00:00Z","aqi":37,"aqi_min":37,"aqi_max":37,"pm25":8.962685585021973,"pm10":9.094470024108887,"stations":2},{"datetime_utc":"2026-05-29T15:00:00Z","aqi":33,"aqi_min":33,"aqi_max":33,"pm25":8.015124320983887,"pm10":8.016491889953613,"stations":2},{"datetime_utc":"2026-05-29T16:00:00Z","aqi":40,"aqi_min":40,"aqi_max":40,"pm25":9.684249877929688,"pm10":9.794486999511719,"stations":2},{"datetime_utc":"2026-05-29T17:00:00Z","aqi":42,"aqi_min":42,"aqi_max":42,"pm25":10.1017427444458,"pm10":10.101861953735352,"stations":2},{"datetime_utc":"2026-05-29T18:00:00Z","aqi":35,"aqi_min":35,"aqi_max":35,"pm25":8.513229370117188,"pm10":9.41031551361084,"stations":2},{"datetime_utc":"2026-05-29T19:00:00Z","aqi":53,"aqi_min":53,"aqi_max":53,"pm25":12.911513328552246,"pm10":13.681811332702637,"stations":2},{"datetime_utc":"2026-05-29T20:00:00Z","aqi":64,"aqi_min":64,"aqi_max":64,"pm25":18.37140464782715,"pm10":19.277578353881836,"stations":2},{"datetime_utc":"2026-05-29T21:00:00Z","aqi":57,"aqi_min":57,"aqi_max":57,"pm25":14.935105323791504,"pm10":15.029853820800781,"stations":2},{"datetime_utc":"2026-05-29T22:00:00Z","aqi":59,"aqi_min":59,"aqi_max":59,"pm25":15.807676315307617,"pm10":15.829025268554688,"stations":2},{"datetime_utc":"2026-05-29T23:00:00Z","aqi":54,"aqi_min":54,"aqi_max":54,"pm25":13.461400032043457,"pm10":14.080151557922363,"stations":2},{"datetime_utc":"2026-05-30T00:00:00Z","aqi":59,"aqi_min":59,"aqi_max":59,"pm25":15.95489501953125,"pm10":16.428810119628906,"stations":2},{"datetime_utc":"2026-05-30T01:00:00Z","aqi":60,"aqi_min":60,"aqi_max":60,"pm25":16.383211135864258,"pm10":17.235469818115234,"stations":2},{"datetime_utc":"2026-05-30T02:00:00Z","aqi":60,"aqi_min":60,"aqi_max":60,"pm25":16.235088348388672,"pm10":16.388477325439453,"stations":2},{"datetime_utc":"2026-05-30T03:00:00Z","aqi":55,"aqi_min":55,"aqi_max":55,"pm25":13.869537353515625,"pm10":14.244277000427246,"stations":2},{"datetime_utc":"2026-05-30T04:00:00Z","aqi":60,"aqi_min":60,"aqi_max":60,"pm25":16.34959602355957,"pm10":16.479122161865234,"stations":2}],"daily":[{"date":"2026-05-28","aqi_avg":52,"aqi_min":33,"aqi_max":77,"aqi_color":"#d97706","aqi_label":"Moderate","pm25_avg":13.5,"pm10_avg":14.2,"hours":19,"stations_avg":2},{"date":"2026-05-29","aqi_avg":48,"aqi_min":33,"aqi_max":64,"aqi_color":"#059669","aqi_label":"Good","pm25_avg":12.3,"pm10_avg":12.7,"hours":24,"stations_avg":2},{"date":"2026-05-30","aqi_avg":59,"aqi_min":55,"aqi_max":60,"aqi_color":"#d97706","aqi_label":"Moderate","pm25_avg":15.8,"pm10_avg":16.2,"hours":5,"stations_avg":2}]}