WorldArrow iconIreland

Air quality in Ireland

Air quality index (AQI⁺) and PM2.5 air pollution in Ireland • 20:54, Oct 05

Environmental Protection Agency (EPA) of IrelandIreland Air Quality e-Reporting monitoring network for compliance and informative reportingianfarrellyGeorgi YordanovArdell YoungCiaranOmer AliAnonymous contributor
Environmental Protection Agency (EPA) of IrelandIreland Air Quality e-Reporting monitoring network for compliance and informative reportingianfarrellyGeorgi YordanovArdell YoungCiaranOmer AliAnonymous contributor

Live most polluted city ranking

Real-time Ireland most polluted city ranking

#CitiesAQI⁺ US
1
The national flag of Ireland

Limerick

31

2
The national flag of Ireland

Cork

6

3
The national flag of Ireland

Dublin

5

4
The national flag of Ireland

Gaillimh

4

2025 Ireland most polluted city

New Ross, Leinster

76

Live cleanest city ranking

Real-time Ireland cleanest city ranking

#CitiesAQI⁺ US
1
The national flag of Ireland

Gaillimh

4

2
The national flag of Ireland

Dublin

5

3
The national flag of Ireland

Cork

6

4
The national flag of Ireland

Limerick

31

2025 Ireland cleanest city

Drumcondra, Leinster

19

2025 country air quality average

How polluted is Ireland?

IQAir exclamation icon

In 2025 in Ireland, the annual PM2.5 concentration was 1.4 times the WHO annual PM2.5 guideline.

2025 AQI⁺ country ranking

Which country had the worst air quality in 2025?

#CountryPopulationAQI⁺ US
1
The national flag of Ireland

Pakistan

231,402,117

159

2
The national flag of Ireland

Bangladesh

169,356,251

158

3
The national flag of Ireland

Tajikistan

9,750,064

152

4
The national flag of Ireland

Chad

17,179,740

146

5
The national flag of Ireland

Democratic Republic of the Congo

95,894,118

137

6
The national flag of Ireland

India

1,407,563,842

134

7
The national flag of Ireland

Kuwait

4,250,114

126

8
The national flag of Ireland

Uganda

45,853,778

119

9
The national flag of Ireland

Egypt

109,262,178

114

10
The national flag of Ireland

Uzbekistan

34,915,100

107

122
The national flag of Ireland

Ireland

5,033,165

38

Worldwide PM2.5 ranking

2025 Ireland global rank in air pollution

122/143

Wildfires in Ireland

Real-time information

Active fires

--

external link icon

Indoor Air Quality Alert: Northeast Spain Flash Flooding

Man using nasal spray near an open window in autumn.
external link icon

How to protect yourself from autumn allergens in your home

external link icon

India Air Quality Alert

Which is the most polluted state in Ireland?