SmogRank / World / Ireland / May 2023

Most polluted cities in Ireland, May 2023

3 cities in Ireland ranked by their average PM2.5 over the 31 days. Worst: Dún Laoghaire at 8.0 µg/m³, #748 of 1,267 cities in the world. Cleanest: Cork at 6.2. A city needs measurements on 70% of the days to be ranked.

← Dún Laoghaire 8.0 µg/m³ 20 µg/m³0
Every city in Ireland ranked for May 2023, one column each, worst on the left and cleanest on the right; height is PM2.5 in µg/m³. Point at it to read a city; tap to open it.
  1. 1Dún LaoghaireLeinster
    8.0
  2. 2DublinLeinster
    7.3
  3. 3CorkMunster
    6.2
Good0–9.0
Moderate9.1–35.4
Sensitive groups35.5–55.4
Unhealthy55.5–125.4
Very unhealthy125.5–225.4
Hazardous225.5+

PM2.5 in µg/m³, coloured by the US EPA's PM2.5 categories. Show values as: µg/m³ · US AQI · India AQI · China AQI · European AQI · UK DAQI · Canada AQHI+. About the scales

All cities in the world, May 2023 · Ireland now

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SmogRank, most polluted cities in Ireland, PM2.5, May 2023, smogrank.com/ie/history/2023-05 (accessed 2 Oct 2026).

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