Cleanest Cities — 2026-03-21
Last updated: 3/21/2026, 6:45:19 AM · 486 cities
On 2026-03-21, 486 Indian cities were measured on the NAQI scale. This page lists the cleanest among them. Katihar, Bihar ranked first with an AQI of 5 (Good).
View Most Polluted Cities — 2026-03-21 →Cleanest Cities(25)
| # | City | AQI |
|---|---|---|
| 1 | KatiharBihar | 5 |
| 2 | LehLadakh | 8 |
| 3 | BegusaraiBihar | 10 |
| 4 | DehradunUttarakhand | 11 |
| 5 | VedaranyamTamil Nadu | 13 |
| 6 | ThiruthuraipoondiTamil Nadu | 15 |
| 7 | East ChamparanBihar | 15 |
| 8 | RaigarhChhattisgarh | 15 |
| 9 | MotihariBihar | 15 |
| 10 | PratapgarhUttar Pradesh | 16 |
| 11 | SasaramBihar | 17 |
| 12 | KhagariaBihar | 18 |
| 13 | VelankanniTamil Nadu | 18 |
| 14 | NeedamangalamTamil Nadu | 19 |
| 15 | KargilLadakh | 20 |
| 16 | SheikhpuraBihar | 20 |
| 17 | KatniMadhya Pradesh | 20 |
| 18 | AranthangiTamil Nadu | 20 |
| 19 | NagoreTamil Nadu | 20 |
| 20 | KorbaChhattisgarh | 20 |
| 21 | PurniaBihar | 20 |
| 22 | SambalpurOdisha | 22 |
| 23 | MungerBihar | 22 |
| 24 | DehriBihar | 23 |
| 25 | KavarattiLakshadweep | 24 |