1. North America
  2. Canada
  3. Québec
  4. Montreal
  5. Montréal

Montréal

Montreal

2025-04-21 06:00
AQI (US)
Good
28
Pollutants
PM2.5
μg/m³
4.9
O3
μg/m³
47.5
NO2
μg/m³
17.5
CO
μg/m³
437.5
SO2
μg/m³
1.3
Weather
  • ℃
  • ℉
3℃
57%
6 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • PM2.5
  • O3
  • NO2
  • CO
  • SO2
Places included
Mont-Royal
AQI 33
Montreal
AQI 29
Pointe-Claire
AQI 30
Sainte-Anne-de-Bellevue
AQI 25
Data Sources
http://www.airnow.gov/

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  • AQI
  • PM2.5
  • PM10
  • O3
  • NO2
  • CO
  • SO2
19
35
53
36
59
20
19
46
147
23
30
3
34
51
26
63
10
51
22
46
82
22
54
59
61
61
25
39
59
60
9
36
101
27
54
65
60
19
50
74
50
59
60
14
46
53
24
26
63
51
62
42
61
69
67
5
19
54
89
60
59
42
52
53
11
59
42
52
55
74
34
59
61
14
50
74
23
65
60
54
86
27
50
61
43
54
97
29
52
30
42
53
51
80
9
23
59
61
51
54
101
9
52
59
+−
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Cities Nearby

Montreal
AQI 29
Westmount
AQI 24
Saint-Lambert
AQI 32
Longueuil
AQI 32
Mont-Royal
AQI 33
Montreal West
AQI 33
Côte Saint-Luc
AQI 33
Brossard
AQI 29
La Prairie
AQI 29
Sainte-Catherine
AQI 29
Saint-Constant
AQI 29