Air Quality in Cheonan, South Korea

Overcast
18.4°C · 91.3% humidity
18.4°
Feels 18.4°
67
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
21 stations

Nearby Monitoring Stations

AQI Forecast
54 12pm
34
34
67 3pm
58
51
46 6pm
43
60
70 9pm
69
68
85 12am
84
84
84 3am
83
83
84 6am
84
83
83 9am
66
54
AD 728×90

Air Quality Index Trend

47h · 45 stn

Cheonan's air quality is influenced by industrial emissions, vehicle traffic, and regional pollution transport. Winter heating season and spring dust events typically create the most challenging air quality conditions. Current PM2.5 concentration in Cheonan is 1.3× the WHO 24-hour guideline of 15 µg/m³.

91.3%
Humidity
32.1 km/h
Wind SW
1007.4 hPa
Pressure
19.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
67
19.56 µg/m³
PM10
25
27.45 µg/m³
050100150200300500

What is the weather forecast for Cheonan?

Temperature & Precipitation

PM2.5 Trend

47h · 45 stations
PM2.519.56 µg/m³ ×1.3 WHO
Moderate
PM1027.45 µg/m³
Good
UV INDEX19.9
Extreme
AD 300×250
Station readings (21 stations within 25 km)
19.56
Median
21.52
Average
11.5
Low
33.0
High
PM2.5 µg/m³ · Model: 10.85 · Bias: -8.7

What is the 7-day forecast for Cheonan?

05-30
20.4° 14.7°
05-31
27.0° 16.5°
0.5 mm
06-01
28.7° 15.5°
06-02
28.9° 17.9°
06-03
22.2° 13.1°
2.06 mm
06-04
23.7° 14.2°
7.87 mm
06-05
29.7° 15.3°
0.06 mm
Both models agree Avg diff: 3.7°C

Where are air quality stations near Cheonan?

61
Seonghwang-dong, Cheonan-si, Chungnam, South Korea (성황동 충남)
0.9 km PM2.5: 16.9 µg/m³
74
Seonghwang-dong, Cheonan-si, Chungnam, South Korea (성황동 충남)
0.9 km PM2.5: 23.0 µg/m³
5
Seonghwang-dong, Cheonan-si, Chungnam, South Korea (성황동 충남)
0.9 km PM2.5: 1.2 µg/m³
64
Seonghwang-dong, Cheonan-si, Chungnam, South Korea (성황동 충남)
0.9 km PM2.5: 18.3 µg/m³
114
Cheonan (천안시)
3.5 km PM2.5: 40.8 µg/m³
70
Cheonan (천안시)
3.5 km PM2.5: 21.1 µg/m³
13
Cheonan (천안시)
3.5 km PM2.5: 3.1 µg/m³
59
Cheonan (천안시)
3.5 km PM2.5: 15.9 µg/m³
85
Cheonan (천안시)
3.5 km PM2.5: 28.3 µg/m³
80
Sinbang-dong, Chungnam, South Korea (신방동 충남)
3.9 km PM2.5: 25.9 µg/m³

What cities are near Cheonan?

75 Seonghwan 75 Asan 89 Pyeongtaek 51 Anseong 61 Chinch'ŏn 52 Sejong 62 Yesan 66 Cheongju-si 69 Jungpyong 67 Gongju
Get AQI alerts for Cheonan

Notify me when air quality reaches:

Free · No account · Unsubscribe any time

Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-05-30T06:06 UTC.