Santiago — Air Quality

Chile, South America. US AQI: 163 (Unhealthy). Air Quality Score: 35.2/100. Dominant pollutant: PM2.5.

Last updated: · Updated hourly

Quanteta Scores

US AQI 0 Rank 45 / 50
Air Quality Score 0/100 Rank 48 / 50
Breathability 0/100 Rank 48 / 50

City Info

City ID
aq-santiago
Country
Chile (CL)
Region
South America
Population
6,770,000
Coordinates
-33.4489, -70.6693
Timezone
America/Santiago
AQI Level
Unhealthy
EU AQI
104
Dominant Pollutant
PM2.5
Measured At
2026-05-24T08:00Z

Pollutant Concentrations

Pollutant Concentration
PM2.5 Dominant 74.5 μg/m³
PM10 75.2 μg/m³
O3 5.0 μg/m³
NO2 70.4 μg/m³
SO2 66.4 μg/m³
CO 726.0 μg/m³
PM2.5: 7.3% PM10: 7.4% O3: 0.5% NO2: 6.9% SO2: 6.5% CO: 71.4% Air Quality
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