Santiago — Air Quality

Chile, South America. US AQI: 159 (Unhealthy). Air Quality Score: 16.8/100. Dominant pollutant: PM2.5.

Last updated: · Updated hourly

Quanteta Scores

US AQI 0 Rank 45 / 50
Air Quality Score 0/100 Rank 46 / 50
Breathability 0/100 Rank 46 / 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
98
Dominant Pollutant
PM2.5
Measured At
2026-07-12T14:00Z

Pollutant Concentrations

Pollutant Concentration
PM2.5 Dominant 88.9 μg/m³
PM10 90.8 μg/m³
O3 31.0 μg/m³
NO2 109.2 μg/m³
SO2 121.2 μg/m³
CO 1381.0 μg/m³
PM2.5: 4.9% PM10: 5.0% O3: 1.7% NO2: 6.0% SO2: 6.7% CO: 75.8% Air Quality
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