Air Quality in Hongseong, South Korea

Drizzle
26.2°C · 81.3% humidity
26.2°
Feels 26.2°
70
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
2 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
26 5am
24
24
70 8am
59
50
43 11am
36
33
30 2pm
28
27
26 5pm
26
25
25 8pm
24
24
24 11pm
26
26
26 2am
26
26
Station readings 45h ago
AQI 53
PM2.5 13.1 µg/m³ · 45h ago
AD 728×90

Air Quality Index Trend

43h · 22 stn

Hongseong'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 Hongseong is 1.4× 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▲
70
21.1 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Hongseong?

Temperature & Precipitation

PM2.5 Trend

43h · 22 stations
PM2.521.1 µg/m³ ×1.4 WHO
Moderate
PM1013.7 µg/m³
Good
UV INDEX1.4
Low
AD 300×250
Station readings (2 stations within 25 km)
21.1
Median
21.1
Average
21.1
Low
21.1
High
PM2.5 µg/m³ · Model: 6.25 · Bias: -14.9

What is the 7-day forecast for Hongseong?

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: 4.9°C

Where are air quality stations near Hongseong?

124
Hongseonggun-eup, Chungnam, South Korea (홍성읍 충남)
0.9 km PM2.5: 44.8 µg/m³
109
Hongseonggun-eup, Chungnam, South Korea (홍성읍 충남)
0.9 km PM2.5: 38.7 µg/m³
3
Hongseonggun-eup, Chungnam, South Korea (홍성읍 충남)
0.9 km PM2.5: 0.7 µg/m³
80
Naepo, Chungnam, South Korea (내포 충남)
5.8 km PM2.5: 25.9 µg/m³
72
Naepo, Chungnam, South Korea (내포 충남)
5.8 km PM2.5: 22.1 µg/m³
72
Naepo, Chungnam, South Korea (내포 충남)
5.8 km PM2.5: 22.1 µg/m³
46
Naepo, Chungnam, South Korea (내포 충남)
5.8 km PM2.5: 11.0 µg/m³
25
Naepo, Chungnam, South Korea (내포 충남)
5.8 km PM2.5: 6.0 µg/m³
119
Sapgyo-eup, Chungnam, South Korea (삽교읍 충남)
11.7 km PM2.5: 42.8 µg/m³
42
Sapgyo-eup, Chungnam, South Korea (삽교읍 충남)
11.7 km PM2.5: 10.1 µg/m³

What cities are near Hongseong?

64 Yesan 76 Seosan 23 Boryeong 86 Tangjin 61 Asan 47 Buyeo 45 Gongju 85 Taesal-li 59 Cheonan 63 Seonghwan
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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 2026-08-07T23:59 UTC.