Air quality · Asia

Air quality in South Korea today

Right now the most polluted of the 12 South Korea cities we cover is Seoul at AQI 168 (Unhealthy); the cleanest is Cheonan at 107.

US EPA AQI, modelled from the CAMS forecast. Refreshed 3 Nov, 07:52 UTC+0.

Cities in South Korea, worst air first

US AQI now in South Korea
#	City	AQI	Category	Population
1	Seoul Capital	168	Unhealthy	10 m people
2	Incheon	168	Unhealthy	3.0 m people
3	Busan	151	Unhealthy	3.3 m people
4	Suwon Gyeonggi-do	147	Sensitive groups	1.2 m people
5	Daegu	134	Sensitive groups	2.4 m people
6	Changwon Gyeongsangnam-do	129	Sensitive groups	1.0 m people
7	Jeonju Jeollabuk-do	123	Sensitive groups	0.6 m people
8	Ulsan	120	Sensitive groups	1.1 m people
9	Gwangju	119	Sensitive groups	1.4 m people
10	Daejeon	112	Sensitive groups	1.4 m people
11	Cheongju-si North Chungcheong	109	Sensitive groups	0.9 m people
12	Cheonan Chungcheongnam-do	107	Sensitive groups	0.7 m people

Good 0–50
Moderate 51–100
Unhealthy for sensitive groups 101–150
Unhealthy 151–200
Very unhealthy 201–300
Hazardous 301–500

Each city’s value is the CAMS model at the city’s coordinates, scored on the US EPA AQI. It is an estimate, not a station reading. How we calculate it.

Cities in South Korea, worst air first

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