Worst air pollution Chuncheon, today and tomorrow

Today (16 July): Air quality in Chuncheon is very poor. AQI and NO2 are very poor; O3 is poor; PM2.5, HCHO, and PM1 are fair; SO2 is medium; PM10 and CO are good. Pollution peaks around 11:00 PM (NO2: 83.8/100).
Tomorrow (17 July 2026): Air quality in Chuncheon is very poor. PM2.5 decreases to medium; SO2 decreases to good; HCHO decreases to good; PM1 decreases to medium; all other pollutants stay as today. Pollution peaks around 1:00 AM (NO2: 87.5/100). Airmine updates local air quality forecasts four times daily.

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Developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team

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Chuncheon's air quality benefits from the Gangwon-do Chuncheon Lake and Soyang Dam reservoir position at 76 metres, with consistent lake breezes and the surrounding Taebaek mountain backdrop providing reliable ventilation. Vehicle traffic on surrounding roads and the tourism, food culture, and government corridor contribute local sources, while the lake system's natural ventilation and the surrounding highland setting generally maintain Chuncheon among South Korea's more pleasantly ventilated provincial lakeside cities throughout most of the year.

Today - 16 July | Pollution peaks at 23:00

AQI:

Very poor

83.8/100

PM2.5 (fine particles):

Fair

36.4/100

PM10 (coarse particles):

Good

13.1/100

NO2 (nitrogen dioxide):

Very poor

83.8/100

O3 (ozone):

Poor

66.8/100

SO2 (sulfur dioxide):

Medium

40.7/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Fair

20.2/100

PM1 (ultrafine particles):

Fair

37.6/100

Levels show the poorest local air quality during the day

Tomorrow - 17 July | Pollution peaks at 01:00

AQI:

Very poor

87.5/100

PM2.5 (fine particles):

Medium

41.3/100

PM10 (coarse particles):

Good

16.4/100

NO2 (nitrogen dioxide):

Very poor

87.5/100

O3 (ozone):

Poor

60.5/100

SO2 (sulfur dioxide):

Good

15.8/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

19.9/100

PM1 (ultrafine particles):

Medium

42.9/100

Frequently Asked Questions

Is air quality bad in Chuncheon right now?

On 16 July 2026, overall air quality in Chuncheon is very poor. AQI is the main air quality indicator at 83.8/100. Pollution peaks around 11:00 PM (NO2: 83.8/100).

Will air quality be worse tomorrow in Chuncheon?

On 17 July 2026, air quality conditions in Chuncheon will be similar to today, with AQI forecast at very poor at 87.5/100. Pollution peaks around 1:00 AM (NO2: 87.5/100).

When is air pollution at its worst in Chuncheon?

Air quality in Chuncheon tends to be worse when traffic emissions and seasonal tourism traffic build up and still air allows pollutants to build up. Day-to-day conditions here depend heavily on the weather. Background emissions and local weather both play a role in day-to-day changes.

Are air quality levels in Chuncheon based on measurements or forecasts?

It is forecasts derived by downscaling forecasts provided by EU’s Copernicus Atmosphere Monitoring Service (CAMS) by taking into account local conditions such as traffic patterns. CAMS bases its forecast on satellite measurements of particles and chemical compounds in the atmosphere. Airmine’s services were developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team.

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Data provided by Airmine — Last update: 16 July 2026 at 10:33 CEST (Data is updated four times daily.)

This forecast is produced independently using Airmine's own atmospheric data and models.

Unless explicitly made clear, the content on this site has not been paid for by external organisations and is Airmine's sole responsibility.

For long term forecasts and maps, see the Airmine app