SmogRank / World / Belgium / Flanders / February 2025

Most polluted cities in Flanders, Belgium, February 2025

22 cities in Flanders, Belgium ranked by their average PM2.5 over the 28 days. Worst: Damme at 27.9 µg/m³, #234 of 2,574 cities in the world. Cleanest: Gingelom at 16.4. 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.

← Roeselare 20% 15%0
Every city in Flanders, Belgium ranked for February 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. 1Roeselare
    20%
  2. 2Damme
    19%
  3. 3Houthalen
    17%
  4. 4Menen
    16%
  5. 5Stabroek
    16%
  6. 6Grimbergen
    16%
  7. 7Zelzate
    16%
  8. 8Beveren
    16%
  9. 9Mechelen
    13%
  10. 10Hasselt
    13%
  11. 11Meulebeke
    12%
  12. 12Kortrijk
    12%
  13. 13Veurne
    12%
  14. 14Antwerp
    12%
  15. 15Kapellen
    12%
  16. 16Zaventem
    12%
  17. 17Mol
    12%
  18. 18Aarschot
    12%
  19. 19Gent
    8%
  20. 20Melsele
    8%
  21. 21Willebroek
    8%
  22. 22Gingelom
    8%
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

All cities in the world, February 2025 · All cities in Belgium, February 2025 · Flanders now

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SmogRank, most polluted cities in Flanders, Belgium, PM2.5, February 2025, smogrank.com/be/region/flanders/history/2025-02 (accessed 7 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.