WorldArrow iconSouth Korea

Live most polluted city ranking

Real-time South Korea most polluted city ranking

#CitiesAQI⁺ US
1
The national flag of South Korea

Gimpo

96

2
The national flag of South Korea

Yeongam

96

3
The national flag of South Korea

Pocheon

95

4
The national flag of South Korea

Masan

88

5
The national flag of South Korea

Yeoju

88

6
The national flag of South Korea

Paju

85

7
The national flag of South Korea

Dangjin

84

8
The national flag of South Korea

Goyang

84

9
The national flag of South Korea

Hwaseong

84

10
The national flag of South Korea

Iksan

84

2025 South Korea most polluted city

Taisen-ri, Chungcheongnam-do

74

Live cleanest city ranking

Real-time South Korea cleanest city ranking

#CitiesAQI⁺ US
1
The national flag of South Korea

Donghae

62

2
The national flag of South Korea

Gongju

62

3
The national flag of South Korea

Seogwipo

63

4
The national flag of South Korea

Taean

63

5
The national flag of South Korea

Geumsan

64

6
The national flag of South Korea

Jeju

64

7
The national flag of South Korea

Seosan

64

8
The national flag of South Korea

Yeosu

64

9
The national flag of South Korea

Jeonju

65

10
The national flag of South Korea

Danyang

66

2025 South Korea cleanest city

Goseong, Gyeongsangnam-do

52

2025 country air quality average

How polluted is South Korea?

IQAir exclamation icon

In 2025 in South Korea, the annual PM2.5 concentration was 3.4 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 South Korea

Pakistan

231,402,117

159

2
The national flag of South Korea

Bangladesh

169,356,251

158

3
The national flag of South Korea

Tajikistan

9,750,064

152

4
The national flag of South Korea

Chad

17,179,740

146

5
The national flag of South Korea

Democratic Republic of the Congo

95,894,118

137

6
The national flag of South Korea

India

1,407,563,842

134

7
The national flag of South Korea

Kuwait

4,250,114

126

8
The national flag of South Korea

Uganda

45,853,778

119

9
The national flag of South Korea

Egypt

109,262,178

114

10
The national flag of South Korea

Uzbekistan

34,915,100

107

55
The national flag of South Korea

South Korea

51,744,876

66

Worldwide PM2.5 ranking

2025 South Korea global rank in air pollution

55/143

Wildfires in South Korea

Real-time information

Active fires

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