Air quality in Montréal-Ouest
The US Air Quality Index (EPA) grades air from 0 to 500 using fine particles (PM2.5/PM10), ozone and nitrogen dioxide. 0-50 is Good, 51-100 Moderate, 101-150 Unhealthy for Sensitive Groups, and anything higher affects everyone.
PM2.5
7.7 µg/m³
WHO guideline 15
PM10
7.8 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
8:00 AM
💨
PM2.5 7.7 µg/m³
32Good
9:00 AM
💨
PM2.5 8.2 µg/m³
34Good
10:00 AM
💨
PM2.5 8.1 µg/m³
34Good
11:00 AM
💨
PM2.5 6.7 µg/m³
34Good
12:00 PM
💨
PM2.5 5.3 µg/m³
38Good
1:00 PM
💨
PM2.5 4.2 µg/m³
40Good
2:00 PM
💨
PM2.5 3.3 µg/m³
42Good
3:00 PM
💨
PM2.5 2.4 µg/m³
42Good
4:00 PM
💨
PM2.5 2.1 µg/m³
40Good
5:00 PM
💨
PM2.5 1.9 µg/m³
37Good
6:00 PM
💨
PM2.5 2.2 µg/m³
30Good
7:00 PM
💨
PM2.5 3.8 µg/m³
21Good
Next few days
daily max · US EPA AQI
Fri
💨
Good · UV Moderate
42
Sun
💨
Moderate · UV Moderate
71
Mon
💨
Moderate · UV High
66
Tue
💨
Good · UV Moderate
25