Air Quality in Koesan, South Korea
Windy
19.4°C · 39.8% humidity
19.4°
Feels 19.4°
57
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
6 stations
Nearby Monitoring Stations
AQI Forecast
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Air Quality Index Trend
45h · 15 stnKoesan'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.
39.8%
Humidity
46.8 km/h
Wind WNW
1016.1 hPa
Pressure
0.0
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
14.99 µg/m³
PM10
27.4 µg/m³
050100150200300500
What is the weather forecast for Koesan?
Temperature & Precipitation
PM2.5 Trend
45h · 15 stationsPM2.514.99 µg/m³
✓ WHO
Moderate
PM1027.4 µg/m³
Good
UV INDEX0.0
Low
Station readings (6 stations within 25 km)
14.99
Median
16.37
Average
11.0
Low
23.0
High
PM2.5 µg/m³ · Model: 13.5 · Bias: -1.5
What is the 7-day forecast for Koesan?
10-21
19.4° 11.3°
10-22
21.1° 8.7°
0.06 mm
10-23
19.0° 5.9°
10-24
13.1° 11.4°
17.37 mm
10-25
18.5° 6.2°
10-26
17.3° 6.7°
0.06 mm
10-27
16.6° 8.2°
Both models agree
Avg diff: 4.2°C
Where are air quality stations near Koesan?
72
Goesan-eup, Chungbuk, South Korea (괴산읍 충북)
61
Goesan-eup, Chungbuk, South Korea (괴산읍 충북)
57
Goesan-eup, Chungbuk, South Korea (괴산읍 충북)
61
Goesan-eup, Chungbuk, South Korea (괴산읍 충북)
59
Goesan-eup, Chungbuk, South Korea (괴산읍 충북)
46
Cheongcheon-myeon, Chungbuk, South Korea (청천면 충북)
17
Cheongcheon-myeon, Chungbuk, South Korea (청천면 충북)
53
Cheongcheon-myeon, Chungbuk, South Korea (청천면 충북)
20
Cheongcheon-myeon, Chungbuk, South Korea (청천면 충북)
50
Cheongcheon-myeon, Chungbuk, South Korea (청천면 충북)
What cities are near Koesan?
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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 2026-10-21T03:08 UTC.