SmogRank / Countries / Ireland / 2023

Most polluted cities in Ireland, 2023

3 cities in Ireland ranked by their average PM2.5 over the 365 days; 3 above the WHO annual guideline (5.0 µg/m³). Worst: Dún Laoghaire at 7.3 µg/m³, #721 of 969 cities in the world. Cleanest: Cork at 6.6. A city needs measurements on 70% of the days to be ranked.

  1. 1Dún LaoghaireLeinster
    7.31.5×
  2. 2DublinLeinster
    6.61.3×
  3. 2CorkMunster
    6.61.3×
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, 2023 · Ireland now

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SmogRank, most polluted cities in Ireland, PM2.5, 2023, smogrank.com/ie/history/2023 (accessed 2 Oct 2026).

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