SmogRank / Countries / Bulgaria / January 2023

Most polluted cities in Bulgaria, January 2023

5 cities in Bulgaria ranked by their average PM2.5 over the 31 days. Worst: Botevgrad at 31.7 µg/m³, #31 of 849 cities in the world. Cleanest: Gabrovo at 16.5. A city needs measurements on 70% of the days to be ranked.

  1. 1Botevgradlow-cost sensorsSofia
    31.7
  2. 2Sevlievolow-cost sensorsGabrovo
    26.6
  3. 3Haskovolow-cost sensorsHaskovo
    26.5
  4. 4Dimitrovgradlow-cost sensorsHaskovo
    25.7
  5. 5Gabrovolow-cost sensorsGabrovo
    16.5
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, January 2023 · Bulgaria now