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 • 22:04, Jul 19

Live most polluted city ranking

Real-time Connaught most polluted city ranking

#	Cities	AQI⁺ US
1	Sligo	33
2	Castlebar	32
3	Claremorris	32
4	Ballina	30
5	Westport	28
6	Gaillimh	27
7	Carrick-On-Shannon	26
8	Roscommon	24
9	Galway	23
10	Athenry	4

Live cleanest city ranking

Real-time Connaught cleanest city ranking

#	Cities	AQI⁺ US
1	Athenry	4
2	Galway	23
3	Roscommon	24
4	Carrick-On-Shannon	26
5	Gaillimh	27
6	Westport	28
7	Ballina	30
8	Castlebar	32
9	Claremorris	32
10	Sligo	33

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

Wildfire on a mountain

Wildfire Map Spotlight: Kane Springs Fire and Grapevine Fire, Nevada

Wildfire Map Spotlight: North-Central and Eastern Oregon 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