SmogRank / Countries / Ireland / February 2026

Most polluted cities in Ireland, February 2026

10 cities in Ireland ranked by their average PM2.5 over the 28 days. Worst: Tralee at 11.8 µg/m³, #698 of 2,251 cities in the world. Cleanest: Greystones at 6.7. A city needs measurements on 70% of the days to be ranked.

  1. 1TraleeMunster
    11.8
  2. 2WexfordLeinster
    11.3
  3. 3AthloneLeinster
    11.2
  4. 4LeixlipLeinster
    7.7
  5. 5DroghedaLeinster
    7.5
  6. 6DublinLeinster
    7.4
  7. 7Cluain MealaMunster
    7.1
  8. 8CarlowLeinster
    6.9
  9. 9NaasLeinster
    6.8
  10. 10GreystonesLeinster
    6.7
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, February 2026 · Ireland now