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 • 12:06, Jul 20

Live most polluted city ranking

Real-time Connaught most polluted city ranking

#	Cities	AQI⁺ US
1	Westport	35
2	Galway	26
3	Claremorris	25
4	Castlebar	24
5	Ballina	21
6	Sligo	19
7	Gaillimh	14
8	Roscommon	14
9	Carrick-On-Shannon	12

Live cleanest city ranking

Real-time Connaught cleanest city ranking

#	Cities	AQI⁺ US
1	Carrick-On-Shannon	12
2	Gaillimh	14
3	Roscommon	14
4	Sligo	19
5	Ballina	21
6	Castlebar	24
7	Claremorris	25
8	Galway	26
9	Westport	35

Wildfire Map Spotlight: North-Central and Eastern Oregon Wildfires

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

Wildfire Map Spotlight: Southern Europe Wildfires

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