SmogRank / Countries / Bulgaria / February 2025

Most polluted cities in Bulgaria, February 2025

6 cities in Bulgaria ranked by their average PM2.5 over the 28 days. Worst: Sevlievo at 32.6 µg/m³, #116 of 2,012 cities in the world. Cleanest: Varna at 12.0. A city needs measurements on 70% of the days to be ranked.

  1. 1Sevlievolow-cost sensorsGabrovo
    32.6
  2. 2Haskovolow-cost sensorsHaskovo
    31.6
  3. 3RuseRuse
    30.1
  4. 4Gabrovolow-cost sensorsGabrovo
    28.1
  5. 5SofiaSofia-Capital
    15.3
  6. 6VarnaVarna
    12.0
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, February 2025 · Bulgaria now