SmogRank / World / Belgium / Flanders / November 2025

Most polluted cities in Flanders, Belgium, November 2025

25 cities in Flanders, Belgium ranked by their average PM2.5 over the 30 days. Worst: Meulebeke at 10.4 µg/m³, #935 of 2,662 cities in the world. Cleanest: Veurne at 6.7. A city needs measurements on 70% of the days to be ranked.

Ranked by unhealthy days: the share of each city's measured days with a daily mean over 35.4 µg/m³ (US AQI 101+), Unhealthy for Sensitive Groups or worse on the US EPA's scale. Ties go to the higher average.

← Meulebeke 0% 0.75%0
Every city in Flanders, Belgium ranked for November 2025, one column each, ranked by unhealthy days: height is the share of its measured days that were unhealthy, colour its average. Point at it to read a city; tap to open it.
  1. 1Meulebeke
    0%
  2. 2Zelzate
    0%
  3. 3Roeselare
    0%
  4. 4Ertvelde
    0%
  5. 5Grimbergen
    0%
  6. 6Menen
    0%
  7. 7Gent
    0%
  8. 8Kortrijk
    0%
  9. 8Damme
    0%
  10. 10Hasselt
    0%
  11. 11Genk
    0%
  12. 12Melsele
    0%
  13. 13Antwerp
    0%
  14. 14Houthalen
    0%
  15. 15Kapellen
    0%
  16. 16Stabroek
    0%
  17. 16Mol
    0%
  18. 16Mechelen
    0%
  19. 16Beveren
    0%
  20. 20Knokke-Heist
    0%
  21. 21Willebroek
    0%
  22. 22Zaventem
    0%
  23. 23Aarschot
    0%
  24. 24Gingelom
    0%
  25. 25Veurne
    0%
Good0–50
Moderate51–100
Sensitive groups101–150
Unhealthy151–200
Very unhealthy201–300
Hazardous301+

The US EPA's Air Quality Index for PM2.5 (2024 breakpoints). Show values as: µg/m³ · US AQI · India AQI · China AQI · European AQI · UK DAQI · Canada AQHI+. About the scales

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SmogRank, most polluted cities in Flanders, Belgium, PM2.5, November 2025, smogrank.com/be/region/flanders/history/2025-11 (accessed 6 Oct 2026).

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You're welcome to reuse a single chart, image or figure with this citation and a link. Terms. Raw monitor readings in bulk are published by OpenAQ, under each provider's licence.