Toronto — Air Quality

Canada, North America. US AQI: 31 (Good). Air Quality Score: 91.8/100. Dominant pollutant: NO2.

Last updated: · Updated hourly

Quanteta Scores

US AQI 0 ★ Rank 2 / 50
Air Quality Score 0/100 Rank 9 / 50
Breathability 0/100 Rank 10 / 50

City Info

City ID
aq-toronto
Country
Canada (CA)
Region
North America
Population
2,930,000
Coordinates
43.6532, -79.3832
Timezone
America/Toronto
AQI Level
Good
EU AQI
20
Dominant Pollutant
NO2
Measured At
2026-05-24T14:00Z

Pollutant Concentrations

Pollutant Concentration
PM2.5 5.6 μg/m³
PM10 5.6 μg/m³
O3 51.0 μg/m³
NO2 Dominant 16.1 μg/m³
SO2 2.5 μg/m³
CO 244.0 μg/m³
PM2.5: 1.7% PM10: 1.7% O3: 15.7% NO2: 5.0% SO2: 0.8% CO: 75.1% Air Quality
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