The AQI in Ottawa is currently 28 — Good. Air quality is satisfactory; little or no risk.
| Measurement | Value |
|---|---|
| PM2.5 | 9 |
| Ozone (O₃) | 28.1 |
| NO₂ | 3.1 |
| SO₂ | 0.2 |
| CO | 5 |
| Temperature (°C) | 23.3 |
| Humidity (%) | 46.7 |
| Pressure (hPa) | 1011.3 |
| Wind (m/s) | 1.2 |
| Pollutant | Mon, May 25 | Tue, May 26 | Wed, May 27 | Thu, May 28 | Fri, May 29 | Sat, May 30 | Sun, May 31 | Mon, Jun 1 |
|---|---|---|---|---|---|---|---|---|
| PM2.5 |
29
25–34
|
43
29–55
|
13
8–40
|
12
10–14
|
10
3–13
|
6
3–10
|
11
7–17
|
14
7–18
|
| PM10 |
10
9–10
|
13
8–16
|
4
3–12
|
4
3–5
|
4
2–6
|
3
1–5
|
5
3–8
|
7
3–8
|
| Ozone |
16
11–20
| |||||||
| UV Index |
0
0–0
|
1
0–5
|
1
0–3
|
1
0–6
|
1
0–4
|
2
0–6
|