Most Polluted Cities — January 2018

49 cities tracked · Average AQI: 212 (Poor)

Historical air quality for January 2018: India's most polluted cities, ranked from 0 days of CPCB readings across 49 cities. The national average AQI for the month was 212 (Poor). Ghaziabad, Uttar Pradesh was the most polluted city in January 2018 with a monthly average AQI of 405.