SmogRank / Countries / Hungary / September 2026
Most polluted cities in Hungary, September 2026
12 cities in Hungary ranked by their average PM2.5 over the 30 days. Worst: Nyíregyháza at 12.6 µg/m³, #292 of 2,332 cities in the world. Cleanest: Gyöngyös at 4.2. A city needs measurements on 70% of the days to be ranked.
- 1NyíregyházaSzabolcs-Szatmár-Bereg 12.6
- 2GyőrGyőr-Moson-Sopron 12.2
- 3GyálPest County 10.4
- 4EsztergomKomárom-Esztergom 8.9
- 5Debrecenlow-cost sensorsHajdú-Bihar 8.0
- 6DunaújvárosFejér 7.9
- 7SzegedCsongrád 7.5
- 8VeszprémVeszprém 6.6
- 9KazincbarcikaBorsod-Abaúj-Zemplén 6.1
- 9PécsBaranya 6.1
- 9BudapestBudapest 6.1
- 12GyöngyösHeves County 4.2
Good0–9.0
Moderate9.1–35.4
Sensitive groups35.5–55.4
Unhealthy55.5–125.4
Very unhealthy125.5–225.4
Hazardous225.5+