{"city":"Darbhanga","slug":"darbhanga","state":null,"country":"India","coordinates":{"lat":26.112777,"lon":85.902825},"scale":"CPCB National AQI (0-500)","unit":"AQI","source":"Central Pollution Control Board (CPCB)","license":"https://data.gov.in/","updated":"2026-10-22","current":{"aqi":47,"category":"Good","dominant":"O₃","pollutants":{"PM2.5":5,"O₃":47,"PM10":35,"NO₂":10,"NH₃":0}},"history":[{"date":"2026-10-20","aqi":78,"category":"Satisfactory"},{"date":"2026-10-21","aqi":76,"category":"Satisfactory"},{"date":"2026-10-22","aqi":47,"category":"Good"}]}