Choose another country or region to see content specific to your location and shop online.

Air quality in Connaught

Air quality index (AQI⁺) and PM2.5 air pollution in Connaught • 23:04, Jul 20

Live most polluted city ranking

Real-time Connaught most polluted city ranking

#	Cities	AQI⁺ US
1	Galway	24
2	Castlebar	23
3	Sligo	9
4	Claremorris	7
5	Carrick-On-Shannon	5
6	Gaillimh	4
7	Ballina	3
8	Roscommon	3
9	Westport	2

Live cleanest city ranking

Real-time Connaught cleanest city ranking

#	Cities	AQI⁺ US
1	Westport	2
2	Ballina	3
3	Roscommon	3
4	Gaillimh	4
5	Carrick-On-Shannon	5
6	Claremorris	7
7	Sligo	9
8	Castlebar	23
9	Galway	24

Detroit childcare center achieves clean air and data monitoring awareness

Wildfire Map Spotlight: North-Central and Eastern Oregon Wildfires

Wildfire Map Spotlight: Snyder, Babylon, Ferris, and Gold Mountain Fires in Colorado and Utah

Which is the most polluted city in Connaught?

globe background

Connect With IQAir

Get exclusive articles, product updates, tips, and occasional offers delivered to your inbox. You can unsubscribe at any time.

View Privacy Policy

Privacy Policy© 2026 IQAir. All rights reserved