{"city":"Ujjain","slug":"ujjain","state":null,"country":"India","coordinates":{"lat":23.1633321,"lon":75.800225},"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":218,"category":"Poor","dominant":"PM2.5","pollutants":{"PM10":73,"NO₂":17,"PM2.5":95,"NH₃":10,"SO₂":5,"O₃":80}},"history":[{"date":"2026-09-23","aqi":208,"category":"Poor"},{"date":"2026-09-24","aqi":204,"category":"Poor"},{"date":"2026-09-25","aqi":108,"category":"Moderate"},{"date":"2026-09-26","aqi":90,"category":"Satisfactory"},{"date":"2026-10-02","aqi":90,"category":"Satisfactory"},{"date":"2026-10-03","aqi":90,"category":"Satisfactory"},{"date":"2026-10-04","aqi":91,"category":"Satisfactory"},{"date":"2026-10-05","aqi":98,"category":"Satisfactory"},{"date":"2026-10-06","aqi":109,"category":"Moderate"},{"date":"2026-10-07","aqi":103,"category":"Moderate"},{"date":"2026-10-08","aqi":103,"category":"Moderate"},{"date":"2026-10-09","aqi":109,"category":"Moderate"},{"date":"2026-10-10","aqi":97,"category":"Satisfactory"},{"date":"2026-10-11","aqi":98,"category":"Satisfactory"},{"date":"2026-10-12","aqi":93,"category":"Satisfactory"},{"date":"2026-10-13","aqi":87,"category":"Satisfactory"},{"date":"2026-10-14","aqi":89,"category":"Satisfactory"},{"date":"2026-10-15","aqi":87,"category":"Satisfactory"},{"date":"2026-10-16","aqi":90,"category":"Satisfactory"},{"date":"2026-10-17","aqi":326,"category":"Very Poor"},{"date":"2026-10-18","aqi":326,"category":"Very Poor"},{"date":"2026-10-19","aqi":133,"category":"Moderate"},{"date":"2026-10-20","aqi":309,"category":"Very Poor"},{"date":"2026-10-21","aqi":303,"category":"Very Poor"},{"date":"2026-10-22","aqi":264,"category":"Poor"}]}