Most Polluted Cities — November 2021

155 cities tracked · Average AQI: 187 (Moderate)

Historical air quality for November 2021: India's most polluted cities, ranked from 0 days of CPCB readings across 155 cities. The national average AQI for the month was 187 (Moderate). Siwan, Bihar was the most polluted city in November 2021 with a monthly average AQI of 390.