Hongseonggun-eup, Chungnam, South Korea (홍성읍 충남) Air Quality

Monitoring Station · Hongseong, South Korea

124

Unhealthy for sensitive groups

Sensitive groups should reduce prolonged outdoor exertion.

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Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous

AQI Forecast

25 9pm

25

25

27 12am

27

27

25 3am

25

25

25 6am

25

25

25 9am

25

25

— 12pm

—

—

— 3pm

—

—

— 6pm

—

—

Air Quality Forecast (24h)

PM2.544.8 µg/m³ ×3.0 WHO

Unhealthy for sensitive groups

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Nearby Monitoring Stations

Hongseonggun-eup, Chungnam, South Korea (홍성읍 충남)

0.0 km PM2.5: 38.7 µg/m³

Hongseonggun-eup, Chungnam, South Korea (홍성읍 충남)

0.0 km PM2.5: 0.7 µg/m³

Naepo, Chungnam, South Korea (내포 충남)

6.2 km PM2.5: 22.1 µg/m³

Naepo, Chungnam, South Korea (내포 충남)

6.2 km PM2.5: 22.1 µg/m³

Naepo, Chungnam, South Korea (내포 충남)

6.2 km PM2.5: 11.0 µg/m³

Naepo, Chungnam, South Korea (내포 충남)

6.2 km PM2.5: 6.0 µg/m³

Naepo, Chungnam, South Korea (내포 충남)

6.2 km PM2.5: 25.9 µg/m³

Sapgyo-eup, Chungnam, South Korea (삽교읍 충남)

12.6 km PM2.5: 42.8 µg/m³

Nearby Cities

70 Hongseong 64 Yesan 76 Seosan 23 Boryeong 86 Tangjin 61 Asan 47 Buyeo 45 Gongju 85 Taesal-li

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-08-08T00:59 UTC.