Air Quality in Seosan, South Korea

Partly Cloudy
21.2°C · 65.4% humidity
21.2°
Feels 21.2°
84
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
9 stations

Nearby Monitoring Stations

AQI Forecast
66 12pm
66
66
84 3pm
79
75
73 6pm
71
69
85 9pm
68
67
67 12am
67
66
66 3am
66
66
83 6am
83
66
66 9am
66
66
AD 728×90

Air Quality Index Trend

47h · 19 stn

Seosan'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 Seosan is 1.9× the WHO 24-hour guideline of 15 µg/m³.

65.4%
Humidity
33.8 km/h
Wind S
1007.0 hPa
Pressure
19.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
84
27.78 µg/m³
PM10
38
41.2 µg/m³
050100150200300500

What is the weather forecast for Seosan?

Temperature & Precipitation

PM2.5 Trend

47h · 19 stations
PM2.527.78 µg/m³ ×1.9 WHO
Moderate
PM1041.2 µg/m³
Good
UV INDEX19.9
Extreme
AD 300×250
Station readings (9 stations within 25 km)
27.78
Median
23.46
Average
3.6
Low
35.4
High
PM2.5 µg/m³ · Model: 19.2 · Bias: -8.6

What is the 7-day forecast for Seosan?

05-30
21.2° 14.0°
0.06 mm
05-31
22.4° 16.7°
2.0 mm
06-01
25.7° 15.5°
06-02
27.6° 19.6°
06-03
22.9° 15.1°
2.38 mm
06-04
22.8° 15.3°
0.56 mm
06-05
24.5° 16.4°
Both models agree Avg diff: 3.0°C

Where are air quality stations near Seosan?

59
Dongmun-dong, Seosan-si, Chungnam, South Korea (동문동 충남)
0.3 km PM2.5: 15.9 µg/m³
117
Dongmun-dong, Seosan-si, Chungnam, South Korea (동문동 충남)
0.3 km PM2.5: 42.0 µg/m³
63
Dongmun-dong, Seosan-si, Chungnam, South Korea (동문동 충남)
0.3 km PM2.5: 17.8 µg/m³
94
Dongmun-dong, Seosan-si, Chungnam, South Korea (동문동 충남)
0.3 km PM2.5: 32.5 µg/m³
20
Dongmun-dong, Seosan-si, Chungnam, South Korea (동문동 충남)
0.3 km PM2.5: 4.8 µg/m³
71
Seongyeon-myeon, Chungnam, South Korea (성연면 충남)
6.4 km PM2.5: 21.6 µg/m³
105
Seongyeon-myeon, Chungnam, South Korea (성연면 충남)
6.4 km PM2.5: 37.1 µg/m³
50
Seongyeon-myeon, Chungnam, South Korea (성연면 충남)
6.4 km PM2.5: 12.0 µg/m³
70
Seongyeon-myeon, Chungnam, South Korea (성연면 충남)
6.4 km PM2.5: 21.1 µg/m³
57
Seongyeon-myeon, Chungnam, South Korea (성연면 충남)
6.4 km PM2.5: 15.0 µg/m³

What cities are near Seosan?

82 Tangjin 81 Taesal-li 93 Hongseong 62 Yesan 75 Asan 82 Boryeong 97 Hwaseong-si 89 Pyeongtaek 75 Seonghwan 67 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 2026-05-30T06:06 UTC.