Cleanest Cities — May 2026
486 cities tracked · Average AQI: 70 (Satisfactory)
Historical air quality for May 2026: India's cleanest cities, ranked from 30 days of CPCB readings across 486 cities. The national average AQI for the month was 70 (Satisfactory). Port Blair, Andaman & Nicobar Islands was the cleanest city in May 2026 with a monthly average AQI of 9.
View Most Polluted Cities — May 2026 →Overview
Average AQI
70
Category
Satisfactory
Cities
486
Days of Data
30
Cleanest Cities
| # | City | Avg AQI |
|---|---|---|
| 1 | Port BlairAndaman & Nicobar Islands | 9 |
| 2 | NagercoilTamil Nadu | 12 |
| 3 | KargilLadakh | 14 |
| 4 | VedaranyamTamil Nadu | 14 |
| 5 | RamanathapuramTamil Nadu | 15 |
| 6 | ThiruvananthapuramKerala | 15 |
| 7 | NagapattinamTamil Nadu | 16 |
| 8 | NagoreTamil Nadu | 16 |
| 9 | VelankanniTamil Nadu | 16 |
| 10 | ThiruthuraipoondiTamil Nadu | 16 |
Daily Rankings
2026-05-312026-05-302026-05-292026-05-282026-05-272026-05-262026-05-252026-05-242026-05-232026-05-222026-05-212026-05-202026-05-192026-05-182026-05-172026-05-162026-05-152026-05-142026-05-122026-05-112026-05-102026-05-092026-05-082026-05-072026-05-062026-05-052026-05-042026-05-032026-05-022026-05-01