Air Quality in Osan, South Korea

Partly Cloudy
26.1°C · 65.5% humidity
26.1°
Feels 26.1°
30
Good
Air quality is satisfactory. Enjoy outdoor activities.
21 stations

Nearby Monitoring Stations

AQI Forecast
54 7pm
54
54
30 10pm
34
34
34 1am
34
34
34 4am
34
34
34 7am
54
54
54 10am
54
54
54 1pm
54
66
66 4pm
66
66
AD 728×90

Air Quality Index Trend

45h · 81 stn

Osan'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.

65.5%
Humidity
13.7 km/h
Wind NNE
1006.5 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
30
7.14 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Osan?

Temperature & Precipitation

PM2.5 Trend

45h · 81 stations
PM2.57.14 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (21 stations within 25 km)
7.14
Median
7.1
Average
5.8
Low
8.4
High
PM2.5 µg/m³ · Model: 7.35 · Bias: +0.2

What is the 7-day forecast for Osan?

09-05
28.5° 20.7°
9.75 mm
09-06
29.4° 19.6°
11.12 mm
09-07
27.7° 20.4°
09-08
30.5° 20.0°
0.13 mm
09-09
27.2° 22.0°
09-10
25.4° 19.9°
46.19 mm
09-11
28.2° 20.1°
0.06 mm
Both models agree Avg diff: 2.1°C

Where are air quality stations near Osan?

30
Sinjangdong(Osan), Gyeonggi, South Korea (금암로(신장동) 경기)
2.7 km PM2.5: 7.2 µg/m³
38
Sinjangdong(Osan), Gyeonggi, South Korea (금암로(신장동) 경기)
2.7 km PM2.5: 9.1 µg/m³
32
Cheonggye-dong, Gyeonggi, South Korea (청계동 경기)
6.6 km PM2.5: 7.7 µg/m³
34
Cheonggye-dong, Gyeonggi, South Korea (청계동 경기)
6.6 km PM2.5: 8.2 µg/m³
31
Songbuk-dong, Gyeonggi, South Korea (송북동 경기)
7.9 km PM2.5: 7.4 µg/m³
31
Songbuk-dong, Gyeonggi, South Korea (송북동 경기)
7.9 km PM2.5: 7.4 µg/m³
29
Yeongtong-dong, Suwon-si, Gyeonggi, South Korea (영통동 경기)
10.6 km PM2.5: 7.0 µg/m³
25
Idong-eup, Gyeonggi, South Korea (이동읍 경기)
11.2 km PM2.5: 6.0 µg/m³
30
Idong-eup, Gyeonggi, South Korea (이동읍 경기)
11.2 km PM2.5: 7.2 µg/m³
28
Godeok-myeon, Gyeonggi, South Korea (고덕면 경기)
11.2 km PM2.5: 6.7 µg/m³

What cities are near Osan?

29 Suwon 29 Pyeongtaek 31 Hwaseong-si 29 Anseong 31 Uiwang 32 Gunpo 29 Seonghwan 32 Ansan-si 31 Anyang-si 34 Seongnam-si
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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 2026-09-05T13:59 UTC.