SmogRank / World / India / Odisha / May 2025

Most polluted cities in Odisha, India, May 2025

14 cities in Odisha, India ranked by their average PM2.5 over the 31 days. Worst: Rourkela at 47.5 µg/m³, #39 of 2,771 cities in the world. Cleanest: Jājang at 20.3. 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.

← Rourkela 76% 70%0
Every city in Odisha, India ranked for May 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. 1Rourkela
    76%
  2. 2Cuttack
    57%
  3. 3Angul
    56%
  4. 4Keonjhargarh
    54%
  5. 5Rairangpur
    42%
  6. 6Joda
    39%
  7. 7Belpahar
    38%
  8. 8Dera Colliery Township
    36%
  9. 9Barbil
    34%
  10. 10Byasanagar
    26%
  11. 11Baripāda
    16%
  12. 12Koīra
    11%
  13. 13Jājang
    7%
  14. 14Bhubaneswar
    3%
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

All cities in the world, May 2025 · All cities in India, May 2025 · Odisha now

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SmogRank, most polluted cities in Odisha, India, PM2.5, May 2025, smogrank.com/in/region/odisha/history/2025-05 (accessed 6 Oct 2026).

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