Worst air pollution Chungju, today and tomorrow
Today (16 July): Air quality in Chungju is poor. AQI and O3 are poor; PM2.5 and PM1 are fair; NO2 is medium; PM10, SO2, CO, and HCHO are good. Pollution peaks around 2:00 PM (O3: 68.9/100).
Tomorrow (17 July 2026): Air quality in Chungju is poor. PM1 decreases to medium; all other pollutants stay as today. Pollution peaks around 3:00 PM (O3: 72.4/100). 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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Chungju's air quality reflects the Chungcheongbuk-do Nam Han River valley position at 113 metres, with vehicle traffic on surrounding roads and the pharmaceutical, manufacturing, and industrial corridor contributing local sources. The river valley's topographic enclosure creates modest concentration under calm inversions, while seasonal Chinese dust transport elevates PM10 and Chungju generally maintains moderate South Korean central provincial industrial corridor readings throughout most of the year.
Today - 16 July | Pollution peaks at 14:00
AQI:
Poor
68.9/100
PM2.5 (fine particles):
Fair
25.2/100
PM10 (coarse particles):
Good
11.1/100
NO2 (nitrogen dioxide):
Medium
43.9/100
O3 (ozone):
Poor
68.9/100
SO2 (sulfur dioxide):
Good
6.5/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
12.5/100
PM1 (ultrafine particles):
Fair
28.9/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 15:00
AQI:
Poor
72.4/100
PM2.5 (fine particles):
Fair
37.1/100
PM10 (coarse particles):
Good
12.6/100
NO2 (nitrogen dioxide):
Medium
43.3/100
O3 (ozone):
Poor
72.4/100
SO2 (sulfur dioxide):
Good
13.2/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
16.6/100
PM1 (ultrafine particles):
Medium
40.6/100
Frequently Asked Questions
Is air quality bad in Chungju right now?
On 16 July 2026, overall air quality in Chungju is poor. AQI is the main air quality indicator at 68.9/100. Pollution peaks around 2:00 PM (O3: 68.9/100).
Will air quality be worse tomorrow in Chungju?
On 17 July 2026, air quality conditions in Chungju will be similar to today, with AQI forecast at poor at 72.4/100. Pollution peaks around 3:00 PM (O3: 72.4/100).
When is air pollution at its worst in Chungju?
Pollution in Chungju typically rises when vehicle traffic, manufacturing and food processing, along with harbour and shipping traffic combine, especially once calm, stagnant conditions settle in the surrounding valley. Topographic enclosure in the valley lets pollution accumulate rather than clear out. These wind events can carry dust in from the surrounding arid landscape.
Are air quality levels in Chungju 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