SmogRank / World / Belgium / March 2026

Most polluted cities in Belgium, March 2026

39 cities in Belgium ranked by their average PM2.5 over the 31 days. Worst: Izegem at 17.8 µg/m³, #374 of 2,318 cities in the world. Cleanest: Eupen at 7.9. A city needs measurements on 70% of the days to be ranked.

← Izegem 17.8
Every city in Belgium ranked for March 2026, one column each, worst on the left and cleanest on the right. Point at it to read a city; tap to open it.
  1. 1IzegemFlanders
    17.8
  2. 2Beersellow-cost sensorsFlanders
    17.2
  3. 3MenenFlanders
    16.2
  4. 3EvergemFlanders
    16.2
  5. 5Overijselow-cost sensorsFlanders
    16.0
  6. 6RoeselareFlanders
    15.8
  7. 7LochristiFlanders
    15.7
  8. 8MaldegemFlanders
    15.5
  9. 8HouthalenFlanders
    15.5
  10. 10Knokke-HeistFlanders
    15.3
  11. 11ZwijndrechtFlanders
    15.2
  12. 11GrimbergenFlanders
    15.2
  13. 13GentFlanders
    15.0
  14. 14MonsWallonia
    14.7
  15. 15AntwerpFlanders
    14.5
  16. 16StabroekFlanders
    14.4
  17. 16MechelenFlanders
    14.4
  18. 18BeverenFlanders
    14.3
  19. 19WillebroekFlanders
    14.2
  20. 20KapellenFlanders
    14.1
  21. 21KortrijkFlanders
    13.9
  22. 21KoksijdeFlanders
    13.9
  23. 23BrusselsBrussels Capital
    13.6
  24. 24HasseltFlanders
    13.2
  25. 25ZaventemFlanders
    13.1
  26. 25MolFlanders
    13.1
  27. 27AarschotFlanders
    12.7
  28. 28CharleroiWallonia
    12.4
  29. 29LiègeWallonia
    12.0
  30. 30GenkFlanders
    11.6
  31. 31RixensartWallonia
    11.5
  32. 31Flémalle-HauteWallonia
    11.5
  33. 33TournaiWallonia
    11.3
  34. 34AndenneWallonia
    10.5
  35. 35JumetWallonia
    9.8
  36. 36NamurWallonia
    9.2
  37. 37AnsWallonia
    8.6
  38. 38Marche-en-FamenneWallonia
    8.3
  39. 39EupenWallonia
    7.9
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, March 2026 · Belgium now

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SmogRank, most polluted cities in Belgium, PM2.5, March 2026, smogrank.com/be/history/2026-03 (accessed 2 Oct 2026).

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