SmogRank / Countries / Hungary / August 2025

Most polluted cities in Hungary, August 2025

12 cities in Hungary ranked by their average PM2.5 over the 31 days. Worst: Debrecen at 11.9 µg/m³, #589 of 2,289 cities in the world. Cleanest: Gyöngyös at 6.4. A city needs measurements on 70% of the days to be ranked.

  1. 1Debrecenlow-cost sensorsHajdú-Bihar
    11.9
  2. 2GyálPest County
    10.9
  3. 3DunaújvárosFejér
    10.6
  4. 4NyíregyházaSzabolcs-Szatmár-Bereg
    10.5
  5. 5SzegedCsongrád
    9.7
  6. 5VeszprémVeszprém
    9.7
  7. 7EsztergomKomárom-Esztergom
    9.2
  8. 8GyőrGyőr-Moson-Sopron
    8.9
  9. 9PécsBaranya
    7.4
  10. 10KazincbarcikaBorsod-Abaúj-Zemplén
    6.6
  11. 11BudapestBudapest
    6.5
  12. 12GyöngyösHeves County
    6.4
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, August 2025 · Hungary now