{"city":"Merrillville","country":"United States","lat":41.482810974121094,"lon":-87.33280944824219,"range":"48h","license":"CC BY 4.0","source":"https://cerns.io","hourly":[{"datetime_utc":"2026-05-28T14:00:00Z","aqi":23,"aqi_min":13,"aqi_max":34,"pm25":5.53,"pm10":null,"stations":217},{"datetime_utc":"2026-05-28T15:00:00Z","aqi":24,"aqi_min":13,"aqi_max":53,"pm25":5.75,"pm10":null,"stations":217},{"datetime_utc":"2026-05-28T16:00:00Z","aqi":25,"aqi_min":13,"aqi_max":61,"pm25":5.92,"pm10":null,"stations":219},{"datetime_utc":"2026-05-28T17:00:00Z","aqi":25,"aqi_min":13,"aqi_max":52,"pm25":5.91,"pm10":null,"stations":215},{"datetime_utc":"2026-05-28T18:00:00Z","aqi":25,"aqi_min":14,"aqi_max":58,"pm25":5.98,"pm10":null,"stations":212},{"datetime_utc":"2026-05-28T19:00:00Z","aqi":25,"aqi_min":13,"aqi_max":57,"pm25":5.99,"pm10":null,"stations":217},{"datetime_utc":"2026-05-28T20:00:00Z","aqi":25,"aqi_min":14,"aqi_max":58,"pm25":5.87,"pm10":null,"stations":215},{"datetime_utc":"2026-05-28T21:00:00Z","aqi":30,"aqi_min":8,"aqi_max":53,"pm25":7.31,"pm10":null,"stations":5},{"datetime_utc":"2026-05-28T22:00:00Z","aqi":37,"aqi_min":13,"aqi_max":54,"pm25":8.81,"pm10":null,"stations":8},{"datetime_utc":"2026-05-28T23:00:00Z","aqi":23,"aqi_min":14,"aqi_max":47,"pm25":5.42,"pm10":null,"stations":211},{"datetime_utc":"2026-05-29T00:00:00Z","aqi":23,"aqi_min":14,"aqi_max":86,"pm25":5.53,"pm10":null,"stations":211},{"datetime_utc":"2026-05-29T01:00:00Z","aqi":22,"aqi_min":6,"aqi_max":83,"pm25":5.28,"pm10":null,"stations":213},{"datetime_utc":"2026-05-29T02:00:00Z","aqi":22,"aqi_min":13,"aqi_max":96,"pm25":5.24,"pm10":null,"stations":217},{"datetime_utc":"2026-05-29T03:00:00Z","aqi":21,"aqi_min":11,"aqi_max":93,"pm25":5.05,"pm10":null,"stations":219},{"datetime_utc":"2026-05-29T04:00:00Z","aqi":20,"aqi_min":12,"aqi_max":80,"pm25":4.94,"pm10":null,"stations":217},{"datetime_utc":"2026-05-29T05:00:00Z","aqi":20,"aqi_min":11,"aqi_max":68,"pm25":4.8,"pm10":null,"stations":217},{"datetime_utc":"2026-05-29T06:00:00Z","aqi":19,"aqi_min":10,"aqi_max":58,"pm25":4.64,"pm10":null,"stations":219},{"datetime_utc":"2026-05-29T07:00:00Z","aqi":19,"aqi_min":7,"aqi_max":48,"pm25":4.57,"pm10":null,"stations":217},{"datetime_utc":"2026-05-29T08:00:00Z","aqi":19,"aqi_min":10,"aqi_max":63,"pm25":4.56,"pm10":null,"stations":215},{"datetime_utc":"2026-05-29T09:00:00Z","aqi":19,"aqi_min":10,"aqi_max":63,"pm25":4.64,"pm10":null,"stations":219},{"datetime_utc":"2026-05-29T10:00:00Z","aqi":20,"aqi_min":1,"aqi_max":68,"pm25":4.93,"pm10":null,"stations":220},{"datetime_utc":"2026-05-29T11:00:00Z","aqi":25,"aqi_min":12,"aqi_max":87,"pm25":6.0,"pm10":null,"stations":216},{"datetime_utc":"2026-05-29T12:00:00Z","aqi":30,"aqi_min":9,"aqi_max":83,"pm25":7.16,"pm10":null,"stations":217},{"datetime_utc":"2026-05-29T13:00:00Z","aqi":30,"aqi_min":4,"aqi_max":85,"pm25":7.23,"pm10":null,"stations":217},{"datetime_utc":"2026-05-29T14:00:00Z","aqi":30,"aqi_min":4,"aqi_max":71,"pm25":7.06,"pm10":null,"stations":217},{"datetime_utc":"2026-05-29T15:00:00Z","aqi":29,"aqi_min":12,"aqi_max":60,"pm25":6.98,"pm10":null,"stations":217},{"datetime_utc":"2026-05-29T16:00:00Z","aqi":29,"aqi_min":3,"aqi_max":56,"pm25":7.01,"pm10":null,"stations":216},{"datetime_utc":"2026-05-29T17:00:00Z","aqi":30,"aqi_min":15,"aqi_max":50,"pm25":7.21,"pm10":null,"stations":216},{"datetime_utc":"2026-05-29T18:00:00Z","aqi":31,"aqi_min":17,"aqi_max":46,"pm25":7.44,"pm10":null,"stations":217},{"datetime_utc":"2026-05-29T19:00:00Z","aqi":31,"aqi_min":8,"aqi_max":46,"pm25":7.5,"pm10":null,"stations":218},{"datetime_utc":"2026-05-29T20:00:00Z","aqi":31,"aqi_min":18,"aqi_max":55,"pm25":7.38,"pm10":null,"stations":220},{"datetime_utc":"2026-05-29T21:00:00Z","aqi":30,"aqi_min":18,"aqi_max":50,"pm25":7.27,"pm10":null,"stations":216},{"datetime_utc":"2026-05-29T22:00:00Z","aqi":30,"aqi_min":18,"aqi_max":52,"pm25":7.31,"pm10":null,"stations":216},{"datetime_utc":"2026-05-29T23:00:00Z","aqi":32,"aqi_min":18,"aqi_max":70,"pm25":7.62,"pm10":null,"stations":219},{"datetime_utc":"2026-05-30T00:00:00Z","aqi":33,"aqi_min":18,"aqi_max":64,"pm25":7.89,"pm10":null,"stations":217},{"datetime_utc":"2026-05-30T01:00:00Z","aqi":36,"aqi_min":18,"aqi_max":66,"pm25":8.62,"pm10":null,"stations":216},{"datetime_utc":"2026-05-30T02:00:00Z","aqi":41,"aqi_min":17,"aqi_max":64,"pm25":9.77,"pm10":null,"stations":217},{"datetime_utc":"2026-05-30T03:00:00Z","aqi":46,"aqi_min":17,"aqi_max":63,"pm25":11.0,"pm10":null,"stations":214},{"datetime_utc":"2026-05-30T04:00:00Z","aqi":52,"aqi_min":16,"aqi_max":72,"pm25":12.75,"pm10":null,"stations":215},{"datetime_utc":"2026-05-30T05:00:00Z","aqi":56,"aqi_min":16,"aqi_max":79,"pm25":14.4,"pm10":null,"stations":219},{"datetime_utc":"2026-05-30T06:00:00Z","aqi":60,"aqi_min":14,"aqi_max":87,"pm25":16.43,"pm10":null,"stations":215},{"datetime_utc":"2026-05-30T07:00:00Z","aqi":64,"aqi_min":14,"aqi_max":94,"pm25":18.52,"pm10":null,"stations":217},{"datetime_utc":"2026-05-30T08:00:00Z","aqi":65,"aqi_min":6,"aqi_max":102,"pm25":18.92,"pm10":null,"stations":217},{"datetime_utc":"2026-05-30T09:00:00Z","aqi":63,"aqi_min":1,"aqi_max":96,"pm25":17.9,"pm10":null,"stations":219},{"datetime_utc":"2026-05-30T10:00:00Z","aqi":61,"aqi_min":15,"aqi_max":92,"pm25":16.8,"pm10":null,"stations":217},{"datetime_utc":"2026-05-30T11:00:00Z","aqi":54,"aqi_min":33,"aqi_max":68,"pm25":13.56,"pm10":null,"stations":3}],"daily":[{"date":"2026-05-28","aqi_avg":26,"aqi_min":23,"aqi_max":37,"aqi_color":"#059669","aqi_label":"Good","pm25_avg":6.2,"pm10_avg":null,"hours":10,"stations_avg":174},{"date":"2026-05-29","aqi_avg":26,"aqi_min":19,"aqi_max":32,"aqi_color":"#059669","aqi_label":"Good","pm25_avg":6.1,"pm10_avg":null,"hours":24,"stations_avg":217},{"date":"2026-05-30","aqi_avg":53,"aqi_min":33,"aqi_max":65,"aqi_color":"#d97706","aqi_label":"Moderate","pm25_avg":13.9,"pm10_avg":null,"hours":12,"stations_avg":199}]}