Air Quality in Koesan, South Korea

Overcast
15.0°C · 93.1% humidity
15.0°
Feels 15.0°
46
Good
Air quality is satisfactory. Enjoy outdoor activities.
18 stations

Nearby Monitoring Stations

AQI Forecast
34 10pm
34
34
46 1am
36
33
31 4am
37
36
36 7am
55
55
55 10am
54
54
54 1pm
66
66
66 4pm
66
66
66 7pm
66
66
AD 728×90

Air Quality Index Trend

45h · 38 stn

Koesan'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.

93.1%
Humidity
18.7 km/h
Wind E
1011.1 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
46
11.03 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Koesan?

Temperature & Precipitation

PM2.5 Trend

45h · 38 stations
PM2.511.03 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (18 stations within 25 km)
11.03
Median
6.54
Average
2.6
Low
13.1
High
PM2.5 µg/m³ · Model: 7.35 · Bias: -3.7

What is the 7-day forecast for Koesan?

09-05
27.0° 15.0°
39.19 mm
09-06
28.1° 16.5°
6.19 mm
09-07
23.1° 16.7°
2.81 mm
09-08
27.3° 15.7°
1.06 mm
09-09
25.8° 18.2°
0.31 mm
09-10
24.8° 16.2°
13.37 mm
09-11
24.1° 16.8°
0.38 mm
Both models agree Avg diff: 2.3°C

Where are air quality stations near Koesan?

38
Goesan-eup, Chungbuk, South Korea (괴산읍 충북)
0.6 km PM2.5: 9.1 µg/m³
53
Goesan-eup, Chungbuk, South Korea (괴산읍 충북)
0.6 km PM2.5: 13.1 µg/m³
34
Goesan-eup, Chungbuk, South Korea (괴산읍 충북)
0.6 km PM2.5: 8.2 µg/m³
13
Cheongcheon-myeon, Chungbuk, South Korea (청천면 충북)
8.9 km PM2.5: 3.1 µg/m³
13
Cheongcheon-myeon, Chungbuk, South Korea (청천면 충북)
8.9 km PM2.5: 3.1 µg/m³
11
Cheongcheon-myeon, Chungbuk, South Korea (청천면 충북)
8.9 km PM2.5: 2.6 µg/m³
16
Soi-myeon, Chungbuk, South Korea (소이면 충북)
13.0 km PM2.5: 3.8 µg/m³
22
Doan-myeon, Chungbuk, South Korea (도안면 충북)
15.9 km PM2.5: 5.3 µg/m³
30
Doan-myeon, Chungbuk, South Korea (도안면 충북)
15.9 km PM2.5: 7.2 µg/m³
35
Doan-myeon, Chungbuk, South Korea (도안면 충북)
15.9 km PM2.5: 8.4 µg/m³

What cities are near Koesan?

23 Jungpyong 26 Chungju 24 Chinch'ŏn 25 Cheongju-si 28 Mungyeong 25 Sejong 26 Anseong 34 Sangju 31 Yeoju 29 Cheonan
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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 2026-09-05T16:33 UTC.