SmogRank / World / Europe / Romania / Bucharest

Most polluted cities in Bucharest, Romania

1 measured city, this year; 1 above the WHO annual guideline. Worst: Bucharest at 13.0 µg/m³, #665 in the world.

Bucharest: 1 measured cityDâmbovița CountyIalomița CountyGiurgiu CountyIlfov: 3 measured cities#1 Bucharest: 13.0 µg/m³
Each dot is a measured city, coloured by its PM2.5; tap a dot to open the city.
  1. 1Bucharest 582.6×
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 Bucharest, Romania, PM2.5, this year to 2 Oct 2026, 03:00 UTC, smogrank.com/ro/region/bucharest?w=year.

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Updated 2026-10-02 03:07 UTC. Values are PM2.5 (fine particles), the median of each city's monitors, as the US AQI PM2.5 sub-index.