Santiago — Air Quality

Chile, South America. US AQI: 163 (Unhealthy). Air Quality Score: 41.5/100. Dominant pollutant: PM2.5.

Last updated: · Updated hourly

Quanteta Scores

US AQI 0 Rank 45 / 50
Air Quality Score 0/100 Rank 45 / 50
Breathability 0/100 Rank 45 / 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
2026-05-24T14:00Z

Pollutant Concentrations

Pollutant Concentration
PM2.5 Dominant 64.3 μg/m³
PM10 64.5 μg/m³
O3 17.0 μg/m³
NO2 72.4 μg/m³
SO2 70.8 μg/m³
CO 1046.0 μg/m³
PM2.5: 4.8% PM10: 4.8% O3: 1.3% NO2: 5.4% SO2: 5.3% CO: 78.4% Air Quality
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