SmogRank / Countries / Hungary / 2025

Most polluted cities in Hungary, 2025

10 cities in Hungary ranked by their average PM2.5 over the 365 days; 10 above the WHO annual guideline (5.0 µg/m³). Worst: Debrecen at 22.4 µg/m³, #144 of 2,131 cities in the world. Cleanest: Veszprém at 10.7. A city needs measurements on 70% of the days to be ranked.

  1. 1Debrecenlow-cost sensorsHajdú-Bihar
    22.44.5×
  2. 2KazincbarcikaBorsod-Abaúj-Zemplén
    18.63.7×
  3. 3NyíregyházaSzabolcs-Szatmár-Bereg
    16.23.2×
  4. 4GyőrGyőr-Moson-Sopron
    13.52.7×
  5. 5GyálPest County
    13.42.7×
  6. 6EsztergomKomárom-Esztergom
    13.22.6×
  7. 7PécsBaranya
    11.92.4×
  8. 7DunaújvárosFejér
    11.92.4×
  9. 9SzegedCsongrád
    11.72.3×
  10. 10VeszprémVeszprém
    10.72.1×
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, 2025 · Hungary now