Ansan (안산시)

Monitoring Station · Ansan-si, South Korea
139
Unhealthy for sensitive groups
Sensitive groups should reduce prolonged outdoor exertion.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
55 12am
55
139
55 3am
55
55
55 6am
55
55
55 9am
67
84
84 12pm
84
85
— 3pm
—
—
— 6pm
—
—
— 9pm
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Station readings
139
CAMS model adj +1
54
54
54
54
54
54
54
54
54
54
66
83
83
83
84

Air Quality Trend (24h)

PM2.550.9 µg/m³ ×3.4 WHO
Unhealthy for sensitive groups
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Nearby Monitoring Stations

152
Ansan (안산시)
0.0 km PM2.5: 57.4 µg/m³
149
Ansan (안산시)
0.0 km PM2.5: 55.0 µg/m³
155
Jungangro1, Gyeonggi, South Korea (중앙대로(고잔동) 경기)
0.6 km PM2.5: 63.2 µg/m³
151
Jungangro1, Gyeonggi, South Korea (중앙대로(고잔동) 경기)
0.6 km PM2.5: 55.5 µg/m³
161
Jungangro1, Gyeonggi, South Korea (중앙대로(고잔동) 경기)
0.6 km PM2.5: 74.9 µg/m³
137
Hosu-dong, Ansan-si, Gyeonggi, South Korea (호수동 경기)
1.9 km PM2.5: 50.1 µg/m³
55
Hosu-dong, Ansan-si, Gyeonggi, South Korea (호수동 경기)
1.9 km PM2.5: 14.0 µg/m³
139
Hosu-dong, Ansan-si, Gyeonggi, South Korea (호수동 경기)
1.9 km PM2.5: 50.9 µg/m³

Nearby Cities

152 Ansan-si 126 Uiwang 128 Gunpo 145 Anyang-si 142 Hwaseong-si 134 Siheungdong 150 Suwon 155 Gwangmyeong 163 Incheon

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-15T03:16 UTC.