Most Polluted Cities — May 2017

23 cities tracked · Average AQI: 150 (Moderate)

Historical air quality for May 2017: India's most polluted cities, ranked from 0 days of CPCB readings across 23 cities. The national average AQI for the month was 150 (Moderate). Gurugram, Haryana was the most polluted city in May 2017 with a monthly average AQI of 287.