SmogRank / Countries / Bulgaria / 2023

Most polluted cities in Bulgaria, 2023

7 cities in Bulgaria ranked by their average PM2.5 over the 365 days; 7 above the WHO annual guideline (5.0 µg/m³). Worst: Ruse at 14.7 µg/m³, #54 of 969 cities in the world. Cleanest: Dimitrovgrad at 8.9. A city needs measurements on 70% of the days to be ranked.

  1. 1RuseRuse
    14.72.9×
  2. 1Botevgradlow-cost sensorsSofia
    14.72.9×
  3. 3Haskovolow-cost sensorsHaskovo
    13.52.7×
  4. 4Sevlievolow-cost sensorsGabrovo
    11.22.2×
  5. 5SofiaSofia-Capital
    10.62.1×
  6. 6Gabrovolow-cost sensorsGabrovo
    10.12.0×
  7. 7Dimitrovgradlow-cost sensorsHaskovo
    8.91.8×
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, 2023 · Bulgaria now