SmogRank / Countries / Bulgaria / 2024

Most polluted cities in Bulgaria, 2024

6 cities in Bulgaria ranked by their average PM2.5 over the 366 days; 6 above the WHO annual guideline (5.0 µg/m³). Worst: Botevgrad at 14.6 µg/m³, #140 of 1,686 cities in the world. Cleanest: Dimitrovgrad at 9.5. A city needs measurements on 70% of the days to be ranked.

  1. 1Botevgradlow-cost sensorsSofia
    14.62.9×
  2. 2Sevlievolow-cost sensorsGabrovo
    12.52.5×
  3. 3Haskovolow-cost sensorsHaskovo
    12.32.5×
  4. 4SofiaSofia-Capital
    11.82.4×
  5. 5Gabrovolow-cost sensorsGabrovo
    10.22.0×
  6. 6Dimitrovgradlow-cost sensorsHaskovo
    9.51.9×
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, 2024 · Bulgaria now