Cheongju (청주시) Air Quality
Monitoring Station
· Cheongju-si, South Korea
50
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading
Nearby Monitoring Stations
GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast
Calibrated
66
3pm
42
50
66
6pm
66
78
78
9pm
66
66
66
12am
39
39
46
3am
66
66
—
6am
—
—
—
9am
—
—
—
12pm
—
—
Station readings
42
50
CAMS model
adj +12
54
54
54
54
54
66
66
54
54
54
27
27
34
54
54
Air Quality Forecast (24h)
PM2.512.0 µg/m³
✓ WHO
Good
Nearby Monitoring Stations
34
Cheongju (청주시)
57
Cheongju (청주시)
46
Cheongju (청주시)
21
Cheongju (청주시)
42
Cheongju (청주시)
57
Cheongju (청주시)
59
Cheongju (청주시)
51
Munhwa-dong(Cheongju), Cheongju-si, Chungbuk, South Korea (용담동 충북)
Nearby Cities
Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-06-09T18:22 UTC.