Cerro Merquín, Chile Air Quality

Monitoring Station · Coronel, Chile
152
Unhealthy
Everyone should reduce prolonged outdoor exertion.
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Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
152 2am
74
74
74 5am
74
74
74 8am
74
74
74 11am
74
74
74 2pm
76
74
— 5pm
—
—
— 8pm
—
—
— 11pm
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—
CAMS model adj +49
25
25
25
25
25
25
25
25
25
25
25
25
25
27
25

Air Quality Forecast (24h)

PM2.557.4 µg/m³ ×3.8 WHO
Unhealthy
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Nearby Monitoring Stations

38
Cerro Merquín, Chile
0.0 km PM2.5: 9.1 µg/m³
78
Cerro Merquín, Chile
0.0 km PM2.5: 24.9 µg/m³
219
Coronel Norte, Chile
1.4 km PM2.5: 168.7 µg/m³
173
Coronel Norte, Chile
1.4 km PM2.5: 98.1 µg/m³
89
Coronel Norte, Chile
1.4 km PM2.5: 30.2 µg/m³
87
Coronel Norte, Chile
1.4 km PM2.5: 29.2 µg/m³
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Coronel Sur
1.5 km
122
Lota urbana, Chile
6.3 km PM2.5: 44.0 µg/m³

Nearby Cities

25 Coronel 25 Lota 26 Chiguayante 26 Hualqui 26 San Pedro de la Paz 26 Concepción 25 Arauco 26 Talcahuano 26 Penco

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-08-08T05:40 UTC.