SmogRank / World / Ireland / February 2025

Most polluted cities in Ireland, February 2025

4 cities in Ireland ranked by their average PM2.5 over the 28 days. Worst: Waterford at 15.8 µg/m³, #761 of 2,264 cities in the world. Cleanest: Cork at 9.1. A city needs measurements on 70% of the days to be ranked.

← Waterford 15.8
Every city in Ireland ranked for February 2025, one column each, worst on the left and cleanest on the right. Point at it to read a city; tap to open it.
  1. 1WaterfordMunster
    2
  2. 2Dún LaoghaireLeinster
    2
  3. 3DublinLeinster
    2
  4. 4CorkMunster
    1
Low1–3
Moderate4–6
High7–9
Very high10

The UK's Daily Air Quality Index (1 to 10), PM2.5 bands. 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, February 2025 · Ireland now

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SmogRank, most polluted cities in Ireland, PM2.5, February 2025, smogrank.com/ie/history/2025-02 (accessed 2 Oct 2026).

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