Toronto air quality
Updated 16/10, 01:00
The data may not be up to date.
Current AQI
US EPA scale · observed at 01:00
33
GoodAir quality is good; enjoy outdoor activities.
Pollutants
Current concentrations, µg/m³
| Pollutant | Concentration | Description |
|---|---|---|
| PM2.5 | 2,7 µg/m³ | Fine particles ≤ 2.5 µm |
| PM10 | 2,9 µg/m³ | Particles ≤ 10 µm |
| O₃ | 55 µg/m³ | Ozone |
| NO₂ | 8,8 µg/m³ | Nitrogen dioxide |
| SO₂ | 1,2 µg/m³ | Sulphur dioxide |
| CO | 156 µg/m³ | Carbon monoxide |
AQI, next 7 hours
Show data table
| Time | AQI | Level |
|---|---|---|
| 18:00 | 17 | Good |
| 19:00 | 18 | Good |
| 20:00 | 20 | Good |
| 21:00 | 23 | Good |
| 22:00 | 25 | Good |
| 23:00 | 27 | Good |
| 00:00 | 29 | Good |