Ottawa air quality
Updated 25/10, 01:01
The data may not be up to date.
Current AQI
US EPA scale · observed at 01:00
56
ModerateUnusually sensitive people should limit prolonged outdoor exertion.
Pollutants
Current concentrations, µg/m³
| Pollutant | Concentration | Description |
|---|---|---|
| PM2.5 | 16,2 µg/m³ | Fine particles ≤ 2.5 µm |
| PM10 | 16,4 µg/m³ | Particles ≤ 10 µm |
| O₃ | 19 µg/m³ | Ozone |
| NO₂ | 36,7 µg/m³ | Nitrogen dioxide |
| SO₂ | 8,5 µg/m³ | Sulphur dioxide |
| CO | 302 µg/m³ | Carbon monoxide |
AQI, next 8 hours
Show data table
| Time | AQI | Level |
|---|---|---|
| 17:00 | 58 | Moderate |
| 18:00 | 58 | Moderate |
| 19:00 | 57 | Moderate |
| 20:00 | 56 | Moderate |
| 21:00 | 55 | Moderate |
| 22:00 | 54 | Moderate |
| 23:00 | 53 | Moderate |
| 00:00 | 53 | Moderate |