Air quality in Toronto
Updated:
Air quality now (European AQI) · 11:00
20
Fair
Main pollutant: Ozone (O₃)
- Fine particles (PM2.5)
- 2.8 µg/m³
- Particles (PM10)
- 2.9 µg/m³
- Nitrogen dioxide (NO₂)
- 4.7 µg/m³
- Ozone (O₃)
- 60 µg/m³
- Sulphur dioxide (SO₂)
- 2.5 µg/m³
Cleanest air today
11:00–13:00
AQI 21Fair
A good time to air out your home or exercise outdoors.
A good time to be outdoors.
Next 3 days
Today
Max AQI26Fair
- Main pollutant:
- Ozone (O₃)
- Cleanest time:
- 11:00–13:00
Tomorrow
Max AQI34Fair
- Main pollutant:
- Nitrogen dioxide (NO₂)
- Cleanest time:
- 06:00–08:00
Monday
Max AQI29Fair
- Main pollutant:
- Nitrogen dioxide (NO₂)
- Cleanest time:
- 07:00–09:00