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Air quality in South Korea
Air quality index (AQI) and PM2.5 air pollution in South Korea
LIVE AQI CITY RANKING
Real-time South Korea
Most polluted city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Gimcheon, Gyeongsangbuk-do | 77 |
| 2 | Pohang, Gyeongsangbuk-do | 68 |
| 3 | Gyeongju, Gyeongsangbuk-do | 66 |
| 4 | Gwangju, Gwangju | 65 |
| 5 | Nonsan, Chungcheongnam-do | 62 |
| 6 | Gumi, Gyeongsangbuk-do | 60 |
| 7 | Yeongdeok, Gyeongsangbuk-do | 60 |
| 8 | Ulsan, Ulsan | 58 |
| 9 | Daegu, Daegu | 57 |
| 10 | Busan, Busan | 56 |
(local time)
SEE WORLD AQI RANKINGAIR QUALITY DATA CONTRIBUTORS
46 Contributors
See all
LIVE AQI CITY RANKING
Real-time South Korea
Cleanest city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Ansan, Gyeonggi-do | 5 |
| 2 | Gwangju, Gyeonggi-do | 6 |
| 3 | Namyangju, Gyeonggi-do | 11 |
| 4 | Seongnam, Gyeonggi-do | 11 |
| 5 | Jangseong, Jeollanam-do | 12 |
| 6 | Anseong, Gyeonggi-do | 16 |
| 7 | Uijeongbu, Gyeonggi-do | 16 |
| 8 | Boryeong, Chungcheongnam-do | 17 |
| 9 | Goyang, Gyeonggi-do | 22 |
| 10 | Paju, Gyeonggi-do | 22 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
Good
Moderate
Unhealthy for sensitive groups
Unhealthy
Very unhealthy
Hazardous
OVERVIEW
How polluted is South Korea?
2023 Air quality average
Moderate
2023 average US AQI
66
!
PM2.5
x3.8
2023 average PM2.5 concentration in South Korea: 3.8 times the WHO annual air quality guideline value
| 2023 South Korea cleanest city | Taebaek , Gangwon-do 54 |
| 2023 South Korea most polluted city | Cheonan , Chungcheongnam-do 83 |
News
The latest air quality news and resources.
2023 aqi country ranking
How does South Korea rank globally in air pollution?
50/134
Which country had the worst air quality in 2023?
| # | COUNTRY | Population | AVG. US |
|---|---|---|---|
| 1 |  Bangladesh | 169,356,251 | 164 |
| 2 |  Pakistan | 231,402,117 | 160 |
| 3 |  India | 1,407,563,842 | 147 |
| 4 |  Tajikistan | 9,750,064 | 134 |
| 5 |  Burkina Faso | 22,100,683 | 128 |
| 6 |  Iraq | 43,533,592 | 121 |
| 7 |  United Arab Emirates | 9,365,145 | 119 |
| 8 |  Nepal | 30,034,989 | 118 |
| 9 |  Egypt | 109,262,178 | 118 |
| 10 |  Democratic Republic of the Congo | 95,894,118 | 114 |
| 50 | South Korea | 51,744,876 | 66 |
South Korea air quality data attribution
46Contributors
- Korea Environment Corporation
387 stations
- Air Gyeonggi-Do
120 stations
- Chungnam Institute of Health and Environment
52 stations
Seoul Metropolitan Government47 stations
Busan Metropolitan City31 stations
Ulsan Institute of Health and Environment21 stations
Air-Gangwon18 stations
- Jeju Special Self-Governing Province
12 stations
Daejeon Metropolitan City12 stations
Sejong Government4 stations
Top 20 Government Contributors
Busan Foreign School1 station
Taejon Christian International School1 station
Top 20 Educational Contributors
Gonggam Sensors Co., Ltd.2 stations
Top 20 Corporate Contributors
SKh1 station
맑고푸르게1 station
- Pine Hill Mirage Neighbor
1 station
- Horly
1 station
Justin Ahn1 station
Nam Jinwoo1 station
Top 20 Individual Contributors
23 Anonymous contributors23 stations
Anonymous Contributors
Top 17 Data sources
PurpleAir- Korea Environment Corporation
- Gyeongsangbuk Government Public Institute of Health and Environment
- Incheon Metropolitan City Institute of Health and Environment
- Jeju Special Self-Governing Province
- Air Gyeonggi-Do
- Chungnam Institute of Health and Environment
IQAir- Ulsan Institute of Health and Environment
Daegu Metropolitan City Institute of Health and Environment- Sejong Government
- Busan Metropolitan City
- Seoul Metropolitan Government
- Air-Gangwon
- Daejeon Metropolitan City
- Gonggam Sensors Co., Ltd.
Gwangju Government Public Institute of Health and Environment
Which is the most polluted state in South Korea?
AQI US, Metric