Northern Ireland

Air quality in Northern Ireland

Air quality index (AQI⁺) and PM2.5 air pollution in Northern Ireland • 20:20, Aug 28

Live most polluted city ranking

Real-time Northern Ireland most polluted city ranking

#	Cities	AQI⁺ US
1	Belfast	29
2	Armagh	28
3	Dundrum	28
4	Holywood	25
5	Londonderry	22
6	Bangor	15
7	Londonderry County Borough	12

Live cleanest city ranking

Real-time Northern Ireland cleanest city ranking

#	Cities	AQI⁺ US
1	Londonderry County Borough	12
2	Bangor	15
3	Londonderry	22
4	Holywood	25
5	Armagh	28
6	Dundrum	28
7	Belfast	29

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Which is the most polluted city in Northern Ireland?

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