SmogRank / Countries / Belgium / August 2026

Most polluted cities in Belgium, August 2026

38 cities in Belgium ranked by their average PM2.5 over the 31 days. Worst: Izegem at 8.4 µg/m³, #1,047 of 2,312 cities in the world. Cleanest: Ans at 2.1. A city needs measurements on 70% of the days to be ranked.

  1. 1IzegemFlanders
    8.4
  2. 2LochristiFlanders
    6.7
  3. 2EvergemFlanders
    6.7
  4. 4KoksijdeFlanders
    6.6
  5. 5RoeselareFlanders
    6.5
  6. 6MenenFlanders
    6.4
  7. 6Knokke-HeistFlanders
    6.4
  8. 8MaldegemFlanders
    6.3
  9. 9ZwijndrechtFlanders
    6.1
  10. 9HouthalenFlanders
    6.1
  11. 9AntwerpFlanders
    6.1
  12. 12StabroekFlanders
    6.0
  13. 12KortrijkFlanders
    6.0
  14. 14BeverenFlanders
    5.9
  15. 15WillebroekFlanders
    5.8
  16. 15KapellenFlanders
    5.8
  17. 15GrimbergenFlanders
    5.8
  18. 15GentFlanders
    5.8
  19. 19MechelenFlanders
    5.7
  20. 19HasseltFlanders
    5.7
  21. 19GenkFlanders
    5.7
  22. 22MolFlanders
    5.5
  23. 23ZaventemFlanders
    5.3
  24. 24AarschotFlanders
    5.1
  25. 25LiègeWallonia
    4.8
  26. 26BrusselsBrussels Capital
    4.6
  27. 27Beersellow-cost sensorsFlanders
    4.4
  28. 28TournaiWallonia
    3.8
  29. 28Marche-en-FamenneWallonia
    3.8
  30. 30NamurWallonia
    3.7
  31. 31MonsWallonia
    3.3
  32. 31EupenWallonia
    3.3
  33. 33CharleroiWallonia
    3.2
  34. 34Flémalle-HauteWallonia
    2.9
  35. 35RixensartWallonia
    2.7
  36. 35AndenneWallonia
    2.7
  37. 37JumetWallonia
    2.3
  38. 38AnsWallonia
    2.1
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, August 2026 · Belgium now