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

Northern Ireland

Air quality in Northern Ireland

Air quality index (AQI⁺) and PM2.5 air pollution in Northern Ireland • 00:30, Oct 07

Live most polluted city ranking

Real-time Northern Ireland most polluted city ranking

#	Cities	AQI⁺ US
1	Dundonald	58
2	Armagh	55
3	Dundrum	55
4	Dungiven	50
5	Castlederg	44
6	Londonderry	44
7	Culmore	39
8	Newry	39
9	Ballinamallard	33
10	Belfast	33

Live cleanest city ranking

Real-time Northern Ireland cleanest city ranking

#	Cities	AQI⁺ US
1	Bangor	3
2	Londonderry County Borough	11
3	Ballinamallard	33
4	Belfast	33
5	Holywood	33
6	Newtownstewart	33
7	Culmore	39
8	Newry	39
9	Castlederg	44
10	Londonderry	44

Wildfires in Northern Ireland

Real-time information

Active fires

--

Can air purifiers help with indoor air quality from traffic pollution?

Wildfire Map Spotlight: Dome Fire, Yosemite National Park, California

Dry grass burning.

Wildfire Map Spotlight: Bouquet Fire, California

Which is the most polluted city in Northern Ireland?

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