SmogRank / Countries / Belgium / July 2025

Most polluted cities in Belgium, July 2025

37 cities in Belgium ranked by their average PM2.5 over the 31 days. Worst: Izegem at 8.1 µg/m³, #1,373 of 2,283 cities in the world. Cleanest: Marche-en-Famenne at 2.4. A city needs measurements on 70% of the days to be ranked.

  1. 1IzegemFlanders
    8.1
  2. 2RoeselareFlanders
    7.6
  3. 3LochristiFlanders
    7.2
  4. 4EvergemFlanders
    7.1
  5. 5MenenFlanders
    6.7
  6. 5GenkFlanders
    6.7
  7. 7GrimbergenFlanders
    6.6
  8. 8HasseltFlanders
    6.5
  9. 9StabroekFlanders
    6.4
  10. 9KortrijkFlanders
    6.4
  11. 11ZwijndrechtFlanders
    6.3
  12. 11WillebroekFlanders
    6.3
  13. 11Knokke-HeistFlanders
    6.3
  14. 14MolFlanders
    6.2
  15. 14AntwerpFlanders
    6.2
  16. 16ZaventemFlanders
    6.1
  17. 16KoksijdeFlanders
    6.1
  18. 18MechelenFlanders
    6.0
  19. 19HouthalenFlanders
    5.9
  20. 19BeverenFlanders
    5.9
  21. 21MaldegemFlanders
    5.8
  22. 21GentFlanders
    5.8
  23. 23AarschotFlanders
    5.7
  24. 24KapellenFlanders
    5.6
  25. 25MonsWallonia
    5.2
  26. 26BrusselsBrussels Capital
    4.7
  27. 27Flémalle-HauteWallonia
    4.4
  28. 28TournaiWallonia
    4.0
  29. 29CharleroiWallonia
    3.9
  30. 30RixensartWallonia
    3.8
  31. 31AnsWallonia
    3.7
  32. 32LiègeWallonia
    3.4
  33. 32AndenneWallonia
    3.4
  34. 34NamurWallonia
    2.8
  35. 34JumetWallonia
    2.8
  36. 36EupenWallonia
    2.6
  37. 37Marche-en-FamenneWallonia
    2.4
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, July 2025 · Belgium now