Air Quality in Cheonan, South Korea

Cloudy
25.1°C · 85.9% humidity
25.1°
Feels 25.1°
59
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
10 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
0 5am
0
0
59 8am
44
32
24 11am
16
11
8 2pm
6
4
3 5pm
2
2
1 8pm
1
1
2 11pm
2
2
2 2am
2
2
Station readings 45h ago
AQI 29
PM2.5 6.9 µg/m³ · 45h ago
AD 728×90

Air Quality Index Trend

43h · 31 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.

85.9%
Humidity
18.5 km/h
Wind SE
1005.4 hPa
Pressure
1.4
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
59
16.09 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Cheonan?

Temperature & Precipitation

PM2.5 Trend

43h · 31 stations
PM2.516.09 µg/m³ ×1.1 WHO
Moderate
PM1013.7 µg/m³
Good
UV INDEX1.4
Low
AD 300×250
Station readings (10 stations within 25 km)
16.09
Median
16.87
Average
12.0
Low
24.9
High
PM2.5 µg/m³ · Model: 6.25 · Bias: -9.8

What is the 7-day forecast for Cheonan?

08-03
30.7° 22.9°
1.44 mm
08-04
28.6° 23.2°
2.69 mm
08-05
26.8° 18.3°
0.94 mm
08-06
31.2° 21.6°
0.62 mm
08-07
30.9° 21.9°
0.62 mm
08-08
33.6° 22.3°
08-09
29.8° 21.5°
0.19 mm
Both models agree Avg diff: 6.3°C

Where are air quality stations near Cheonan?

17
Seonghwang-dong, Cheonan-si, Chungnam, South Korea (성황동 충남)
0.9 km PM2.5: 4.1 µg/m³
80
Seonghwang-dong, Cheonan-si, Chungnam, South Korea (성황동 충남)
0.9 km PM2.5: 25.9 µg/m³
40
Seonghwang-dong, Cheonan-si, Chungnam, South Korea (성황동 충남)
0.9 km PM2.5: 9.6 µg/m³
10
Seonghwang-dong, Cheonan-si, Chungnam, South Korea (성황동 충남)
0.9 km PM2.5: 2.4 µg/m³
10
Seonghwang-dong, Cheonan-si, Chungnam, South Korea (성황동 충남)
0.9 km PM2.5: 2.4 µg/m³
47
Seonghwang-dong, Cheonan-si, Chungnam, South Korea (성황동 충남)
0.9 km PM2.5: 11.3 µg/m³
12
Seonghwang-dong, Cheonan-si, Chungnam, South Korea (성황동 충남)
0.9 km PM2.5: 2.9 µg/m³
117
Seonghwang-dong, Cheonan-si, Chungnam, South Korea (성황동 충남)
0.9 km PM2.5: 42.0 µg/m³
17
Seonghwang-dong, Cheonan-si, Chungnam, South Korea (성황동 충남)
0.9 km PM2.5: 4.1 µg/m³
41
Seonghwang-dong, Cheonan-si, Chungnam, South Korea (성황동 충남)
0.9 km PM2.5: 9.8 µg/m³

What cities are near Cheonan?

63 Seonghwan 61 Asan 60 Pyeongtaek 35 Anseong 52 Chinch'ŏn 46 Sejong 64 Yesan 44 Cheongju-si 18 Jungpyong 45 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 2026-08-07T23:56 UTC.