SmogRank / Countries / Bulgaria / November 2023

Most polluted cities in Bulgaria, November 2023

7 cities in Bulgaria ranked by their average PM2.5 over the 30 days. Worst: Sevlievo at 14.1 µg/m³, #123 of 1,891 cities in the world. Cleanest: Dimitrovgrad at 6.1. A city needs measurements on 70% of the days to be ranked.

  1. 1Sevlievolow-cost sensorsGabrovo
    14.1
  2. 2Haskovolow-cost sensorsHaskovo
    12.1
  3. 3Botevgradlow-cost sensorsSofia
    11.9
  4. 4RuseRuse
    11.6
  5. 5Gabrovolow-cost sensorsGabrovo
    10.1
  6. 6SofiaSofia-Capital
    9.0
  7. 7Dimitrovgradlow-cost sensorsHaskovo
    6.1
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, November 2023 · Bulgaria now

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SmogRank, most polluted cities in Bulgaria, PM2.5, November 2023, smogrank.com/bg/history/2023-11 (accessed 1 Oct 2026).

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