SmogRank / History / City race

Cities in India, worst air first, day by day

Each measured city's average over the 30 days to every day since January 2023, worst first. Find your own city to follow it through the race, or keep to one country.

CountriesCities
The 30 days to14 Jul 2025 That day's board

The worst cities in India for PM2.5 over the 30 days to 14 Jul 2025: Ludhiana 73.0 µg/m³, Dispur 65.2 µg/m³ and Khurja 59.2 µg/m³.

  1. 1LudhianaPunjab73.0
  2. 2DispurAssam65.2
  3. 3KhurjaUttar Pradesh59.2
  4. 4CuddaloreTamil Nadu58.5
  5. 5RamanathapuramTamil Nadu52.1
  6. 6BhelaiChhattisgarh50.4
  7. 7DurenaChhattisgarh50.4
  8. 8BūndiRajasthan50.2
  9. 9LoniUttar Pradesh49.7
  10. 10Sri GanganagarRajasthan49.6
  11. 11KarauliRajasthan48.3
  12. 12AmritsarPunjab45.5
  13. 13GobindgarhPunjab44.5
  14. 14SamāstipurBihar43.8
  15. 15PāliRajasthan43.3
  16. 16GummidipundiTamil Nadu43.3
  17. 17VirārMaharashtra43.2
  18. 18NajafgarhDelhi42.5
  19. 19TirupparangunramTamil Nadu41.1
  20. 20NilaiyūrTamil Nadu41.1

+ 191 more cities, 40.5 µg/m³ and below

Not counted on this day, too few days measured: Saharsa since 2 Jul 2025 and Anantapur since 29 Jun 2025.

30 days7 days
GoodModerateSensitive groupsUnhealthyVery unhealthyHazardousWHO 24-hour guideline, 15 µg/m³Fades where it stood: not counted that day

A city's number is its average over the 30 days, shown only when 21 of them were measured (5 of 7 on the 7-day race), the same minimum as the 30- and 7-day boards. A city whose monitors go quiet fades out where it stood rather than sliding down, so a gap never reads as cleaner air. Some large countries are thin or missing because their monitors' licences don't allow reuse. How we rank.

Not covered: the government monitoring networks of China and Turkey, which publish only on their own websites; we are building the readers for them. Most cities there are missing from this board, not clean. Why.