Toronto Air Quality – AQI, PM2.5 & PM10 Today
23
Fair
European AQI · US AQI 25
- PM2.5
- 1.7
- PM10
- 1.9
- O₃
- 65.0
- NO₂
- 3.1
- SO₂
- 1.6
- CO
- 163.0
- Dust
- 0.0
- UV
- 4.2
Summary
Maximum UV of 4.7 at 14:00 — wear a hat for longer stints outdoors.
Humidity of 72% pushes the felt temperature to 12°C.
Wind runs 21 km/h out of the north-east.
Common questions
Will it rain in Toronto today?
No. The chance of rain today is only about 0%.
How hot is it in Toronto today?
Between 9°C and 15°C, with a felt maximum of 13°C.
What is the weather in Toronto tomorrow?
Tomorrow: overcast, 7–17°C, with a 2% chance of rain.