Assam Air Quality
Capital: Dispur · Population: 36M · 8 monitoring stations
88
Satisfactory
2024 Annual Avg
88
Annual AQI
Rank #17 in India
35 μg/m³
PM2.5
7× WHO limit
145
Winter Peak
Oct–Feb average
40
Summer Low
Jul–Sep average
Health Advisory — Satisfactory
Air quality is acceptable. Unusually sensitive individuals should consider reducing prolonged outdoor exertion.
Major Cities in Assam
Live AQI updated every 30 minutes from WAQI. 2024 Avg from CPCB annual data.
Air Quality in Assam
Assam's AQI spikes in the dry post-monsoon season (Oct–Feb) due to biomass burning and low wind. Oil refineries in Digboi and Guwahati emit VOCs. The Brahmaputra valley traps haze in calm winter days.
Main Pollution Sources
Seasonal AQI Patterns in Assam
Worst season. Temperature inversions, crop burning, and low wind speeds trap pollutants. AQI often exceeds 300 in northern states.
Dust storms and heat raise AQI. Less fog than winter. Industrial activity at peak.
Best air quality of the year. Rain washes out PM2.5 and PM10. AQI typically falls to lowest levels.
Rapidly deteriorating. Crop stubble burning begins in northern states. AQI transitions from good to dangerous.