SmogRank / Countries / Romania / Bucharest

Most polluted cities in Bucharest, Romania

1 measured city, last 30 days; 0 above the WHO 24-hour guideline. Worst: Bucharest at 7.8 µg/m³, #677 in the world.

  1. 1Bucharest 7.8
Good0–9.0
Moderate9.1–35.4
Sensitive groups35.5–55.4
Unhealthy55.5–125.4
Very unhealthy125.5–225.4
Hazardous225.5+

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SmogRank, most polluted cities in Bucharest, Romania, PM2.5, last 30 days to 2 Oct 2026, 00:00 UTC, smogrank.com/ro/region/bucharest?w=30d.

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Updated 2026-10-02 00:07 UTC. Values are PM2.5 in µg/m³ (fine particles), the median of each city's monitors.