SmogRank / Countries / Bulgaria / April 2024

Most polluted cities in Bulgaria, April 2024

7 cities in Bulgaria ranked by their average PM2.5 over the 30 days. Worst: Ruse at 11.5 µg/m³, #488 of 1,941 cities in the world. Cleanest: Gabrovo at 5.5. A city needs measurements on 70% of the days to be ranked.

  1. 1RuseRuse
    11.5
  2. 2SofiaSofia-Capital
    8.6
  3. 3Botevgradlow-cost sensorsSofia
    7.8
  4. 4Sevlievolow-cost sensorsGabrovo
    6.5
  5. 5Haskovolow-cost sensorsHaskovo
    6.0
  6. 5Dimitrovgradlow-cost sensorsHaskovo
    6.0
  7. 7Gabrovolow-cost sensorsGabrovo
    5.5
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, April 2024 · Bulgaria now