The AQI in Montreal is currently 37 — Good. Air quality is satisfactory; little or no risk.
| Measurement | Value |
|---|---|
| PM2.5 | 8 |
| Ozone (O₃) | 36.9 |
| NO₂ | 8.1 |
| SO₂ | 0.6 |
| CO | 6.4 |
| Temperature (°C) | 22.7 |
| Humidity (%) | 45 |
| Pressure (hPa) | 1012.5 |
| Wind (m/s) | 3 |
| 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 |
24
23–24
|
40
25–55
|
17
10–34
|
12
9–16
|
13
9–16
|
10
4–19
|
19
12–30
|
21
13–48
|
| PM10 |
8
7–8
|
12
8–16
|
6
4–11
|
4
3–6
|
5
3–7
|
4
2–8
|
9
5–12
|
10
7–17
|
| Ozone |
12
8–16
|
18
13–21
|
15
12–19
|
14
3–18
|
11
6–20
| |||
| UV Index |
0
0–0
|
1
0–6
|
1
0–4
|
1
0–4
|
0
0–4
|
1
0–5
|