SmogRank / World / Romania / February 2026

Most polluted cities in Romania, February 2026

20 cities in Romania ranked by their average PM2.5 over the 28 days. Worst: Târgu Mureş at 43.0 µg/m³, #138 of 2,520 cities in the world. Cleanest: Braşov at 14.3. A city needs measurements on 70% of the days to be ranked.

← Târgu Mureş 43.0 µg/m³ 40 µg/m³0
Every city in Romania ranked for February 2026, one column each, worst on the left and cleanest on the right; height is PM2.5 in µg/m³. Point at it to read a city; tap to open it.
  1. 1Târgu Mureşlow-cost sensorsMureș County
    119
  2. 2Târgu JiuGorj County
    101
  3. 3Baia MareMaramureş
    85
  4. 4DejCluj County
    84
  5. 5Sighetu MarmaţieiMaramureş
    82
  6. 6SuceavaSuceava
    82
  7. 7CraiovaDolj
    81
  8. 8Piatra NeamţNeamț County
    79
  9. 9VoluntariIlfov
    78
  10. 10BufteaIlfov
    75
  11. 11Popeşti-LeordeniIlfov
    73
  12. 12BucharestBucharest
    73
  13. 13CodleaBrașov County
    73
  14. 14PiteştiArges
    72
  15. 15CalafatDolj
    72
  16. 16IaşiIași County
    69
  17. 17TimişoaraTimiș County
    66
  18. 18Cluj-NapocaCluj County
    64
  19. 19ZalăuSălaj County
    61
  20. 20BraşovBrașov County
    61
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, February 2026 · Romania now

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SmogRank, most polluted cities in Romania, PM2.5, February 2026, smogrank.com/ro/history/2026-02 (accessed 2 Oct 2026).

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