{"city":"Gummidipoondi","slug":"gummidipoondi","state":null,"country":"India","coordinates":{"lat":13.4127,"lon":80.1081},"scale":"CPCB National AQI (0-500)","unit":"AQI","source":"Central Pollution Control Board (CPCB)","license":"https://data.gov.in/","updated":"2026-11-10","current":{"aqi":421,"category":"Severe","dominant":"PM2.5","pollutants":{"SO₂":18,"PM2.5":300,"PM10":163,"NH₃":6,"NO₂":17}},"history":[{"date":"2026-10-10","aqi":60,"category":"Satisfactory"},{"date":"2026-10-11","aqi":80,"category":"Satisfactory"},{"date":"2026-10-12","aqi":102,"category":"Moderate"},{"date":"2026-10-13","aqi":110,"category":"Moderate"},{"date":"2026-10-14","aqi":113,"category":"Moderate"},{"date":"2026-10-15","aqi":68,"category":"Satisfactory"},{"date":"2026-10-16","aqi":54,"category":"Satisfactory"},{"date":"2026-10-17","aqi":340,"category":"Very Poor"},{"date":"2026-10-18","aqi":340,"category":"Very Poor"},{"date":"2026-10-19","aqi":64,"category":"Satisfactory"},{"date":"2026-10-20","aqi":197,"category":"Moderate"},{"date":"2026-10-21","aqi":204,"category":"Poor"},{"date":"2026-10-22","aqi":304,"category":"Very Poor"},{"date":"2026-10-23","aqi":303,"category":"Very Poor"},{"date":"2026-10-24","aqi":297,"category":"Poor"},{"date":"2026-10-25","aqi":257,"category":"Poor"},{"date":"2026-10-26","aqi":374,"category":"Very Poor"},{"date":"2026-10-27","aqi":416,"category":"Severe"},{"date":"2026-10-28","aqi":410,"category":"Severe"},{"date":"2026-10-29","aqi":351,"category":"Very Poor"},{"date":"2026-10-30","aqi":361,"category":"Very Poor"},{"date":"2026-10-31","aqi":376,"category":"Very Poor"},{"date":"2026-11-01","aqi":373,"category":"Very Poor"},{"date":"2026-11-02","aqi":335,"category":"Very Poor"},{"date":"2026-11-03","aqi":359,"category":"Very Poor"},{"date":"2026-11-04","aqi":352,"category":"Very Poor"},{"date":"2026-11-05","aqi":334,"category":"Very Poor"},{"date":"2026-11-06","aqi":346,"category":"Very Poor"},{"date":"2026-11-07","aqi":404,"category":"Severe"},{"date":"2026-11-08","aqi":404,"category":"Severe"},{"date":"2026-11-09","aqi":341,"category":"Very Poor"},{"date":"2026-11-10","aqi":421,"category":"Severe"}]}