Air Quality in Seosan, South Korea

Drizzle
26.2°C · 81.3% humidity
26.2°
Feels 26.2°
76
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
6 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
23 5am
16
16
76 8am
59
47
38 11am
32
27
24 2pm
22
20
17 5pm
16
16
15 8pm
15
15
14 11pm
16
16
16 2am
16
16
Station readings 45h ago
AQI 43
PM2.5 10.3 µg/m³ · 45h ago
AD 728×90

Air Quality Index Trend

43h · 17 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 1.6× the WHO 24-hour guideline of 15 µg/m³.

81.3%
Humidity
18.0 km/h
Wind SE
1004.6 hPa
Pressure
1.4
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
76
24.03 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Seosan?

Temperature & Precipitation

PM2.5 Trend

43h · 17 stations
PM2.524.03 µg/m³ ×1.6 WHO
Moderate
PM1020.55 µg/m³
Good
UV INDEX1.4
Low
AD 300×250
Station readings (6 stations within 25 km)
24.03
Median
29.43
Average
24.0
Low
42.8
High
PM2.5 µg/m³ · Model: 6.5 · Bias: -17.5

What is the 7-day forecast for Seosan?

08-03
26.7° 25.8°
0.56 mm
08-04
29.5° 23.7°
0.25 mm
08-05
27.9° 20.8°
0.13 mm
08-06
30.7° 21.7°
0.13 mm
08-07
30.9° 22.4°
0.38 mm
08-08
34.4° 22.2°
08-09
29.6° 23.1°
0.5 mm
Both models agree Avg diff: 5.2°C

Where are air quality stations near Seosan?

74
Dongmun-dong, Seosan-si, Chungnam, South Korea (동문동 충남)
0.3 km PM2.5: 23.0 µg/m³
68
Dongmun-dong, Seosan-si, Chungnam, South Korea (동문동 충남)
0.3 km PM2.5: 20.2 µg/m³
70
Dongmun-dong, Seosan-si, Chungnam, South Korea (동문동 충남)
0.3 km PM2.5: 21.1 µg/m³
42
Seongyeon-myeon, Chungnam, South Korea (성연면 충남)
6.4 km PM2.5: 10.1 µg/m³
85
Seongyeon-myeon, Chungnam, South Korea (성연면 충남)
6.4 km PM2.5: 28.3 µg/m³
95
Seongyeon-myeon, Chungnam, South Korea (성연면 충남)
6.4 km PM2.5: 33.0 µg/m³
85
Seongyeon-myeon, Chungnam, South Korea (성연면 충남)
6.4 km PM2.5: 28.3 µg/m³
107
Seongyeon-myeon, Chungnam, South Korea (성연면 충남)
6.4 km PM2.5: 37.9 µg/m³
102
Taeangun-eup, Chungnam, South Korea (태안읍 충남)
14.0 km PM2.5: 35.9 µg/m³
63
Taeangun-eup, Chungnam, South Korea (태안읍 충남)
14.0 km PM2.5: 17.8 µg/m³

What cities are near Seosan?

86 Tangjin 85 Taesal-li 70 Hongseong 64 Yesan 61 Asan 23 Boryeong 60 Hwaseong-si 60 Pyeongtaek 63 Seonghwan 59 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 2026-08-07T23:57 UTC.