India: Air
Air Quality Index – AQI (on average): 151 – Lower Unhealthy
- Global ranking (Average Pollution): #5 most polluted.
- Most polluted city: Bulandshahr, Uttar Pradesh | AQI = 378 – Hazardous (real time average per AQI India).
- Least polluted city: Cuttack, Odisha | AQI = 30 – Good (real time average per AQI India).
- Leading pollutants and sources: Coal-based power generation, industrial pollution, agricultural and automotive emissions.