WorldArrow iconUnited Kingdom

Live most polluted city ranking

Real-time United Kingdom most polluted city ranking

#CitiesAQI⁺ US
1
The national flag of United Kingdom

Bartley Green

152

2
The national flag of United Kingdom

Wetherby

128

3
The national flag of United Kingdom

Chorley

105

4
The national flag of United Kingdom

Sheffield

104

5
The national flag of United Kingdom

Twickenham

85

6
The national flag of United Kingdom

Leeds

81

7
The national flag of United Kingdom

Nottingham

79

8
The national flag of United Kingdom

Loughborough

73

9
The national flag of United Kingdom

Cheltenham

72

10
The national flag of United Kingdom

Leicester

69

2025 United Kingdom most polluted city

Crowland, England

65

Live cleanest city ranking

Real-time United Kingdom cleanest city ranking

#CitiesAQI⁺ US
1
The national flag of United Kingdom

Clerkenwell

9

2
The national flag of United Kingdom

East Ham

11

3
The national flag of United Kingdom

Dundee

13

4
The national flag of United Kingdom

Southampton

18

5
The national flag of United Kingdom

Hackney

19

6
The national flag of United Kingdom

Reading

22

7
The national flag of United Kingdom

Salisbury

22

8
The national flag of United Kingdom

Thornton Heath

24

9
The national flag of United Kingdom

New Malden

27

10
The national flag of United Kingdom

Portsmouth

27

2025 United Kingdom cleanest city

Dunblane, Scotland

12

2025 country air quality average

How polluted is United Kingdom?

IQAir exclamation icon

In 2025 in United Kingdom, the annual PM2.5 concentration was 1.7 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 United Kingdom

Pakistan

231,402,117

159

2
The national flag of United Kingdom

Bangladesh

169,356,251

158

3
The national flag of United Kingdom

Tajikistan

9,750,064

152

4
The national flag of United Kingdom

Chad

17,179,740

146

5
The national flag of United Kingdom

Democratic Republic of the Congo

95,894,118

137

6
The national flag of United Kingdom

India

1,407,563,842

134

7
The national flag of United Kingdom

Kuwait

4,250,114

126

8
The national flag of United Kingdom

Uganda

45,853,778

119

9
The national flag of United Kingdom

Egypt

109,262,178

114

10
The national flag of United Kingdom

Uzbekistan

34,915,100

107

110
The national flag of United Kingdom

United Kingdom

67,326,569

48

Worldwide PM2.5 ranking

2025 United Kingdom global rank in air pollution

110/143

Wildfires in United Kingdom

Real-time information

Active fire

1

Which is the most polluted state in United Kingdom?