Ottawa air quality
Updated 12/10, 05:01
The data may not be up to date.
Current AQI
US EPA scale · observed at 05:00
45
GoodAir quality is good; enjoy outdoor activities.
Pollutants
Current concentrations, µg/m³
| Pollutant | Concentration | Description |
|---|---|---|
| PM2.5 | 12,9 µg/m³ | Fine particles ≤ 2.5 µm |
| PM10 | 13,3 µg/m³ | Particles ≤ 10 µm |
| O₃ | 47 µg/m³ | Ozone |
| NO₂ | 9,9 µg/m³ | Nitrogen dioxide |
| SO₂ | 2,6 µg/m³ | Sulphur dioxide |
| CO | 149 µg/m³ | Carbon monoxide |
AQI, next 23 hours
Show data table
| Time | AQI | Level |
|---|---|---|
| 06:00 | 48 | Good |
| 07:00 | 50 | Good |
| 08:00 | 51 | Moderate |
| 09:00 | 52 | Moderate |
| 10:00 | 52 | Moderate |
| 11:00 | 53 | Moderate |
| 12:00 | 53 | Moderate |
| 13:00 | 54 | Moderate |
| 14:00 | 53 | Moderate |
| 15:00 | 53 | Moderate |
| 16:00 | 52 | Moderate |
| 17:00 | 52 | Moderate |
| 18:00 | 51 | Moderate |
| 19:00 | 51 | Moderate |
| 20:00 | 51 | Moderate |
| 21:00 | 51 | Moderate |
| 22:00 | 51 | Moderate |
| 23:00 | 50 | Good |
| 00:00 | 49 | Good |
| 01:00 | 47 | Good |
| 02:00 | 44 | Good |
| 03:00 | 41 | Good |
| 04:00 | 39 | Good |