SmogRank / World / India / Uttar Pradesh / March 2025

Most polluted cities in Uttar Pradesh, India, March 2025

21 cities in Uttar Pradesh, India ranked by their average PM2.5 over the 31 days. Worst: Loni at 170.9 µg/m³, #1 of 2,809 cities in the world. Cleanest: Vrindāvan at 12.4. A city needs measurements on 70% of the days to be ranked.

Ranked by unhealthy days: the share of each city's measured days with a daily mean over 35.4 µg/m³ (US AQI 101+), Unhealthy for Sensitive Groups or worse on the US EPA's scale. Ties go to the higher average.

← Loni 100% 75%0
Every city in Uttar Pradesh, India ranked for March 2025, one column each, ranked by unhealthy days: height is the share of its measured days that were unhealthy, colour its average. Point at it to read a city; tap to open it.
  1. 1Loni
    100%
  2. 2Lucknow
    94%
  3. 3Ghāziābād
    87%
  4. 4Muzaffarnagar
    79%
  5. 5Dādri
    77%
  6. 6Gorakhpur
    77%
  7. 7Bulandshahr
    74%
  8. 8Hāpur
    66%
  9. 9Noida
    61%
  10. 10Kanpur
    58%
  11. 11Agra
    55%
  12. 12Meerut
    52%
  13. 13Khurja
    37%
  14. 14Greater Noida
    29%
  15. 15Prayagraj
    29%
  16. 16Fīrozābād
    26%
  17. 17Jhānsi
    19%
  18. 18Morādābād
    16%
  19. 19Varanasi
    3%
  20. 20Bareilly
    0%
  21. 21Vrindāvan
    0%
Good0–50
Moderate51–100
Sensitive groups101–150
Unhealthy151–200
Very unhealthy201–300
Hazardous301+

The US EPA's Air Quality Index for PM2.5 (2024 breakpoints). Show values as: µg/m³ · US AQI · India AQI · China AQI · European AQI · UK DAQI · Canada AQHI+. About the scales

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SmogRank, most polluted cities in Uttar Pradesh, India, PM2.5, March 2025, smogrank.com/in/region/uttar-pradesh/history/2025-03 (accessed 7 Oct 2026).

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