Cheonan (천안시) Air Quality
Monitoring Station
· Cheonan, South Korea
27
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading
Nearby Monitoring Stations
GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast
Calibrated
38
1pm
27
24
24
4pm
24
17
17
7pm
17
17
24
10pm
44
44
44
1am
44
44
—
4am
—
—
—
7am
—
—
—
10am
—
—
Station readings
38
27
CAMS model
adj -10
34
34
34
34
34
27
27
27
27
34
54
54
54
54
54
Air Quality Forecast (24h)
PM2.56.5 µg/m³
✓ WHO
Good
Nearby Monitoring Stations
25
Cheonan (천안시)
30
Seonghwang-dong, Cheonan-si, Chungnam, South Korea (성황동 충남)
29
Seonghwang-dong, Cheonan-si, Chungnam, South Korea (성황동 충남)
18
Seongseong-dong, Chungnam, South Korea (성성동 충남)
21
Seongseong-dong, Chungnam, South Korea (성성동 충남)
57
Jangjae-ri, Chungnam, South Korea (장재리 충남)
29
Jangjae-ri, Chungnam, South Korea (장재리 충남)
26
Jangjae-ri, Chungnam, South Korea (장재리 충남)
Nearby Cities
Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-09-05T16:40 UTC.