SmogRank / Countries / Bulgaria / June 2026

Most polluted cities in Bulgaria, June 2026

10 cities in Bulgaria ranked by their average PM2.5 over the 30 days. Worst: Varna at 10.6 µg/m³, #342 of 1,918 cities in the world. Cleanest: Sevlievo at 2.6. A city needs measurements on 70% of the days to be ranked.

  1. 1VarnaVarna
    10.6
  2. 2RuseRuse
    10.1
  3. 3SofiaSofia-Capital
    9.3
  4. 4Dimitrovgradlow-cost sensorsHaskovo
    6.7
  5. 5Haskovolow-cost sensorsHaskovo
    5.5
  6. 6Gabrovolow-cost sensorsGabrovo
    4.7
  7. 7Veliko Tŭrnovolow-cost sensorsVeliko Tarnovo
    4.4
  8. 8Svishtovlow-cost sensorsVeliko Tarnovo
    4.2
  9. 9Gorna Oryahovitsalow-cost sensorsVeliko Tarnovo
    3.9
  10. 10Sevlievolow-cost sensorsGabrovo
    2.6
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, June 2026 · Bulgaria now

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SmogRank, most polluted cities in Bulgaria, PM2.5, June 2026, smogrank.com/bg/history/2026-06 (accessed 2 Oct 2026).

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