{"city":"Mathura","slug":"mathura","state":null,"country":"India","coordinates":{"lat":27.410954,"lon":77.550619},"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":315,"category":"Very Poor","dominant":"PM2.5","pollutants":{"SO₂":15,"NO₂":11,"NH₃":2,"O₃":15,"PM2.5":138,"PM10":137}},"history":[{"date":"2026-09-23","aqi":356,"category":"Very Poor"},{"date":"2026-09-24","aqi":332,"category":"Very Poor"},{"date":"2026-09-25","aqi":87,"category":"Satisfactory"},{"date":"2026-09-26","aqi":43,"category":"Good"},{"date":"2026-10-02","aqi":43,"category":"Good"},{"date":"2026-10-03","aqi":190,"category":"Moderate"},{"date":"2026-10-04","aqi":194,"category":"Moderate"},{"date":"2026-10-05","aqi":190,"category":"Moderate"},{"date":"2026-10-06","aqi":190,"category":"Moderate"},{"date":"2026-10-07","aqi":210,"category":"Poor"},{"date":"2026-10-08","aqi":219,"category":"Poor"},{"date":"2026-10-09","aqi":183,"category":"Moderate"},{"date":"2026-10-10","aqi":381,"category":"Very Poor"},{"date":"2026-10-11","aqi":352,"category":"Very Poor"},{"date":"2026-10-12","aqi":279,"category":"Poor"},{"date":"2026-10-13","aqi":107,"category":"Moderate"},{"date":"2026-10-14","aqi":119,"category":"Moderate"},{"date":"2026-10-15","aqi":150,"category":"Moderate"},{"date":"2026-10-16","aqi":174,"category":"Moderate"},{"date":"2026-10-17","aqi":138,"category":"Moderate"},{"date":"2026-10-18","aqi":145,"category":"Moderate"},{"date":"2026-10-19","aqi":232,"category":"Poor"},{"date":"2026-10-20","aqi":301,"category":"Very Poor"},{"date":"2026-10-21","aqi":309,"category":"Very Poor"},{"date":"2026-10-22","aqi":315,"category":"Very Poor"}]}