Air Quality in Asan, South Korea

Cloudy
18.1°C · 89.7% humidity
18.1°
Feels 18.1°
75
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
28 stations

Nearby Monitoring Stations

AQI Forecast
54 12pm
34
34
75 3pm
63
55
49 6pm
45
62
72 9pm
70
69
85 12am
84
84
84 3am
84
83
84 6am
84
83
83 9am
66
54
AD 728×90

Air Quality Index Trend

47h · 43 stn

Asan'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 Asan is 1.6× the WHO 24-hour guideline of 15 µg/m³.

89.7%
Humidity
18.2 km/h
Wind SSW
1007.4 hPa
Pressure
19.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
75
23.48 µg/m³
PM10
25
27.45 µg/m³
050100150200300500

What is the weather forecast for Asan?

Temperature & Precipitation

PM2.5 Trend

47h · 43 stations
PM2.523.48 µg/m³ ×1.6 WHO
Moderate
PM1027.45 µg/m³
Good
UV INDEX19.9
Extreme
AD 300×250
Station readings (28 stations within 25 km)
23.48
Median
21.9
Average
11.5
Low
34.9
High
PM2.5 µg/m³ · Model: 10.85 · Bias: -12.6

What is the 7-day forecast for Asan?

05-30
21.6° 14.1°
05-31
26.3° 15.9°
1.87 mm
06-01
28.8° 14.8°
06-02
29.3° 19.2°
06-03
23.1° 13.6°
1.81 mm
06-04
24.0° 14.4°
6.44 mm
06-05
28.8° 15.4°
Both models agree Avg diff: 3.2°C

Where are air quality stations near Asan?

–
Mojong-dong, Asan-si, Chungnam, South Korea (모종동 충남)
0.9 km
71
Mojong-dong, Asan-si, Chungnam, South Korea (모종동 충남)
0.9 km PM2.5: 21.6 µg/m³
21
Mojong-dong, Asan-si, Chungnam, South Korea (모종동 충남)
0.9 km PM2.5: 5.0 µg/m³
55
Mojong-dong, Asan-si, Chungnam, South Korea (모종동 충남)
0.9 km PM2.5: 14.0 µg/m³
76
Mojong-dong, Asan-si, Chungnam, South Korea (모종동 충남)
0.9 km PM2.5: 24.0 µg/m³
72
Mojong-dong, Asan-si, Chungnam, South Korea (모종동 충남)
0.9 km PM2.5: 22.1 µg/m³
70
Mojong-dong, Asan-si, Chungnam, South Korea (모종동 충남)
0.9 km PM2.5: 21.1 µg/m³
97
Baebang-eup, Chungnam, South Korea (배방읍 충남)
4.6 km PM2.5: 34.0 µg/m³
63
Baebang-eup, Chungnam, South Korea (배방읍 충남)
4.6 km PM2.5: 17.8 µg/m³
38
Baebang-eup, Chungnam, South Korea (배방읍 충남)
4.6 km PM2.5: 9.1 µg/m³

What cities are near Asan?

67 Cheonan 75 Seonghwan 62 Yesan 89 Pyeongtaek 52 Sejong 51 Anseong 82 Tangjin 93 Hongseong 67 Gongju 61 Chinch'ŏn
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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 2026-05-30T06:06 UTC.