SmogRank / Countries / Hungary / December 2025

Most polluted cities in Hungary, December 2025

13 cities in Hungary ranked by their average PM2.5 over the 31 days. Worst: Debrecen at 39.4 µg/m³, #199 of 2,360 cities in the world. Cleanest: Gyöngyös at 7.4. A city needs measurements on 70% of the days to be ranked.

  1. 1Debrecenlow-cost sensorsHajdú-Bihar
    39.4
  2. 2KazincbarcikaBorsod-Abaúj-Zemplén
    29.3
  3. 3MiskolcBorsod-Abaúj-Zemplén
    28.9
  4. 4NyíregyházaSzabolcs-Szatmár-Bereg
    22.9
  5. 5EsztergomKomárom-Esztergom
    19.3
  6. 6PécsBaranya
    18.6
  7. 7GyőrGyőr-Moson-Sopron
    18.2
  8. 8GyálPest County
    17.2
  9. 9BudapestBudapest
    17.0
  10. 10SzegedCsongrád
    16.1
  11. 11DunaújvárosFejér
    14.1
  12. 12VeszprémVeszprém
    11.5
  13. 13GyöngyösHeves County
    7.4
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, December 2025 · Hungary now

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SmogRank, most polluted cities in Hungary, PM2.5, December 2025, smogrank.com/hu/history/2025-12 (accessed 2 Oct 2026).

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