SmogRank / Countries / Romania / March 2026

Most polluted cities in Romania, March 2026

20 cities in Romania ranked by their average PM2.5 over the 31 days. Worst: Târgu Mureş at 44.0 µg/m³, #87 of 2,318 cities in the world. Cleanest: Braşov at 13.9. A city needs measurements on 70% of the days to be ranked.

  1. 1Târgu Mureşlow-cost sensorsMureș County
    44.0
  2. 2DejCluj County
    33.0
  3. 3Târgu JiuGorj County
    26.7
  4. 4CraiovaDolj
    25.8
  5. 5SuceavaSuceava
    25.5
  6. 6Sighetu MarmaţieiMaramureş
    24.0
  7. 7PiteştiArges
    22.9
  8. 8CalafatDolj
    22.3
  9. 9IaşiIași County
    20.9
  10. 10BufteaIlfov
    20.5
  11. 11VoluntariIlfov
    20.1
  12. 12TimişoaraTimiș County
    19.8
  13. 13Baia MareMaramureş
    19.4
  14. 14CodleaBrașov County
    19.0
  15. 15Cluj-NapocaCluj County
    17.6
  16. 16Popeşti-LeordeniIlfov
    17.4
  17. 17BucharestBucharest
    17.3
  18. 18Piatra NeamţNeamț County
    16.7
  19. 19ZalăuSălaj County
    14.8
  20. 20BraşovBrașov County
    13.9
Good0–9.0
Moderate9.1–35.4
Sensitive groups35.5–55.4
Unhealthy55.5–125.4
Very unhealthy125.5–225.4
Hazardous225.5+

All cities in the world, March 2026 · Romania now

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SmogRank, most polluted cities in Romania, PM2.5, March 2026, smogrank.com/ro/history/2026-03 (accessed 2 Oct 2026).

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