SmogRank / Countries / Hungary / 2026
Most polluted cities in Hungary, 2026
13 cities in Hungary ranked by their average PM2.5 so far (273 of 365 days); 13 above the WHO annual guideline (5.0 µg/m³). Worst: Debrecen at 19.7 µg/m³, #232 of 2,181 cities in the world. Cleanest: Gyöngyös at 7.6. A city needs measurements on 70% of the days to be ranked.
- 1Debrecenlow-cost sensorsHajdú-Bihar 19.73.9×
- 2MiskolcBorsod-Abaúj-Zemplén 18.43.7×
- 3KazincbarcikaBorsod-Abaúj-Zemplén 16.43.3×
- 4VeszprémVeszprém 16.13.2×
- 5GyálPest County 15.43.1×
- 6NyíregyházaSzabolcs-Szatmár-Bereg 14.93.0×
- 6GyőrGyőr-Moson-Sopron 14.93.0×
- 6EsztergomKomárom-Esztergom 14.93.0×
- 9SzegedCsongrád 12.72.5×
- 10PécsBaranya 12.02.4×
- 10BudapestBudapest 12.02.4×
- 12DunaújvárosFejér 11.72.3×
- 13GyöngyösHeves County 7.61.5×
Good0–9.0
Moderate9.1–35.4
Sensitive groups35.5–55.4
Unhealthy55.5–125.4
Very unhealthy125.5–225.4
Hazardous225.5+