Air Quality in Cheonan, South Korea

Partly Cloudy
19.9°C · 62.6% humidity
19.9°
Feels 19.9°
61
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
17 stations

Nearby Monitoring Stations

AQI Forecast
27 3pm
27
25
61 6pm
53
52
67 9pm
43
61
59 12am
57
57
56 3am
55
55
55 6am
54
54
54 9am
34
34
54 12pm
54
54
AD 728×90

Air Quality Index Trend

48h · 35 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 1.1× the WHO 24-hour guideline of 15 µg/m³.

62.6%
Humidity
32.1 km/h
Wind NW
1007.7 hPa
Pressure
1.4
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
61
16.77 µg/m³
PM10
25
27.45 µg/m³
050100150200300500

What is the weather forecast for Cheonan?

Temperature & Precipitation

PM2.5 Trend

48h · 35 stations
PM2.516.77 µg/m³ ×1.1 WHO
Moderate
PM1027.45 µg/m³
Good
UV INDEX1.4
Low
AD 300×250
Station readings (17 stations within 25 km)
16.77
Median
17.36
Average
5.0
Low
23.0
High
PM2.5 µg/m³ · Model: 12.6 · Bias: -4.2

What is the 7-day forecast for Cheonan?

06-09
22.9° 19.0°
0.31 mm
06-10
18.9° 12.9°
0.06 mm
06-11
30.1° 16.2°
06-12
26.8° 18.1°
06-13
29.9° 17.5°
06-14
24.7° 18.1°
1.31 mm
06-15
28.2° 17.3°
Both models agree Avg diff: 2.5°C

Where are air quality stations near Cheonan?

74
Seonghwang-dong, Cheonan-si, Chungnam, South Korea (성황동 충남)
0.9 km PM2.5: 23.0 µg/m³
35
Seonghwang-dong, Cheonan-si, Chungnam, South Korea (성황동 충남)
0.9 km PM2.5: 8.4 µg/m³
5
Seonghwang-dong, Cheonan-si, Chungnam, South Korea (성황동 충남)
0.9 km PM2.5: 1.2 µg/m³
46
Seonghwang-dong, Cheonan-si, Chungnam, South Korea (성황동 충남)
0.9 km PM2.5: 11.0 µg/m³
24
Cheonan (천안시)
3.5 km PM2.5: 5.8 µg/m³
68
Cheonan (천안시)
3.5 km PM2.5: 20.2 µg/m³
13
Cheonan (천안시)
3.5 km PM2.5: 3.1 µg/m³
49
Cheonan (천안시)
3.5 km PM2.5: 11.8 µg/m³
85
Cheonan (천안시)
3.5 km PM2.5: 28.3 µg/m³
55
Sinbang-dong, Chungnam, South Korea (신방동 충남)
3.9 km PM2.5: 14.0 µg/m³

What cities are near Cheonan?

60 Seonghwan 69 Asan 68 Pyeongtaek 93 Anseong 82 Chinch'ŏn 72 Sejong 54 Yesan 70 Cheongju-si 74 Jungpyong 63 Gongju
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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-06-09T09:29 UTC.