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 • 01:36, Nov 05

Live most polluted city ranking

Real-time Northern Ireland most polluted city ranking

#	Cities	AQI⁺ US
1	Castlederg	56
2	Dungiven	53
3	Dundrum	44
4	Armagh	39
5	Culmore	39
6	Ballinamallard	33
7	Belfast	33
8	Newry	33
9	Newtownstewart	28
10	Londonderry County Borough	22

Live cleanest city ranking

Real-time Northern Ireland cleanest city ranking

#	Cities	AQI⁺ US
1	Dundonald	0
2	Londonderry County Borough	22
3	Newtownstewart	28
4	Ballinamallard	33
5	Belfast	33
6	Newry	33
7	Armagh	39
8	Culmore	39
9	Dundrum	44
10	Dungiven	53

Wildfires in Northern Ireland

Real-time information

Active fires

--

Aerial shot of multiple buildings.

Pakistan Air Quality Alert

Aerial view of multiple houses covered in haze.

China Air Quality Alert

Open-pit mining operation with industrial facilities

The toxic legacy of mining on Indigenous communities

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