SmogRank / Countries / Ireland / Connacht

Most polluted cities in Connacht, Ireland

2 measured cities ranked by PM2.5, last 30 days. Worst: Galway at 6.3 µg/m³, #1121 in the world.

#City µg/m³
1Galway Connacht
6.3
2Sligo Connacht
5.7
Good 0–9.0Moderate 9.1+Unhealthy for sensitive groups 35.5+Unhealthy 55.5+Very unhealthy 125.5+Hazardous 225.5+No data

Updated 2026-10-01 12:07 UTC. Values are PM2.5 in µg/m³ (fine particles), the median of each city's monitors.