Air Quality in Ansan-si, South Korea

Partly Cloudy
27.9°C · 58.0% humidity
27.9°
Feels 31.1°
30
Good
Air quality is satisfactory. Enjoy outdoor activities.
56 stations

Nearby Monitoring Stations

AQI Forecast
54 8pm
54
54
30 11pm
37
42
25 2am
28
29
31 5am
32
32
53 8am
53
53
54 11am
54
54
54 2pm
54
66
66 5pm
66
66
AD 728×90

Air Quality Index Trend

45h · 68 stn

Ansan-si'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.

58.0%
Humidity
19.3 km/h
Wind NE
1006.2 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

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

What is the weather forecast for Ansan-si?

Temperature & Precipitation

PM2.5 Trend

45h · 68 stations
PM2.57.35 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (56 stations within 25 km)
7.35
Median
9.29
Average
5.5
Low
38.3
High
PM2.5 µg/m³ · Model: 10.0 · Bias: +2.7

What is the 7-day forecast for Ansan-si?

09-05
29.8° 20.6°
3.19 mm
09-06
29.6° 19.9°
12.31 mm
09-07
28.5° 21.4°
09-08
30.4° 21.8°
0.06 mm
09-09
28.5° 23.5°
09-10
25.8° 20.1°
27.87 mm
09-11
26.8° 21.1°
0.06 mm
Both models agree Avg diff: 2.4°C

Where are air quality stations near Ansan-si?

23
Wongok, Ansan-si, Gyeonggi, South Korea (원곡동 경기)
2.0 km PM2.5: 5.5 µg/m³
29
Hosu-dong, Ansan-si, Gyeonggi, South Korea (호수동 경기)
2.3 km PM2.5: 7.0 µg/m³
30
Hosu-dong, Ansan-si, Gyeonggi, South Korea (호수동 경기)
2.3 km PM2.5: 7.2 µg/m³
28
Bugok-dong, Ansan-si, Gyeonggi, South Korea (부곡동1 경기)
3.6 km PM2.5: 6.7 µg/m³
30
Bugok-dong, Ansan-si, Gyeonggi, South Korea (부곡동1 경기)
3.6 km PM2.5: 7.2 µg/m³
34
Wonsi-dong, Ansan-si, Gyeonggi, South Korea (원시동 경기)
3.6 km PM2.5: 8.2 µg/m³
32
Saesol-dong, Gyeonggi, South Korea (새솔동 경기)
4.7 km PM2.5: 7.7 µg/m³
32
Saesol-dong, Gyeonggi, South Korea (새솔동 경기)
4.7 km PM2.5: 7.7 µg/m³
27
Janghyeon-dong, Gyeonggi, South Korea (장현동 경기)
6.5 km PM2.5: 6.5 µg/m³
26
Janghyeon-dong, Gyeonggi, South Korea (장현동 경기)
6.5 km PM2.5: 6.2 µg/m³

What cities are near Ansan-si?

31 Anyang-si 32 Uiwang 32 Gunpo 32 Hwaseong-si 30 Siheungdong 28 Suwon 31 Gwangmyeong 38 Incheon 54 Bucheon-si 26 Osan
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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 2026-09-05T14:04 UTC.