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Air quality in Ulster

Air quality index (AQI⁺) and PM2.5 air pollution in Ulster • 15:58, May 31

Live most polluted city ranking

Real-time Ulster most polluted city ranking

#CitiesAQI⁺ US
1
The national flag of Ireland

Buncrana

43

2
The national flag of Ireland

Carndonagh

36

3
The national flag of Ireland

Letterkenny

23

4
The national flag of Ireland

Cavan

17

5
The national flag of Ireland

Monaghan

9

Live cleanest city ranking

Real-time Ulster cleanest city ranking

#CitiesAQI⁺ US
1
The national flag of Ireland

Monaghan

9

2
The national flag of Ireland

Cavan

17

3
The national flag of Ireland

Letterkenny

23

4
The national flag of Ireland

Carndonagh

36

5
The national flag of Ireland

Buncrana

43

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Which is the most polluted city in Ulster?