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
4 µg/m³
WHO guideline 15
PM10
4.8 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
7:00 PM
💨
PM2.5 4 µg/m³
30Good
8:00 PM
💨
PM2.5 4.4 µg/m³
26Good
9:00 PM
💨
PM2.5 4.3 µg/m³
25Good
10:00 PM
💨
PM2.5 4.2 µg/m³
25Good
11:00 PM
💨
PM2.5 4.2 µg/m³
24Good
12:00 AM
💨
PM2.5 4.2 µg/m³
23Good
1:00 AM
💨
PM2.5 4.1 µg/m³
22Good
2:00 AM
💨
PM2.5 4.2 µg/m³
21Good
3:00 AM
💨
PM2.5 4.2 µg/m³
20Good
4:00 AM
💨
PM2.5 4.3 µg/m³
20Good
5:00 AM
💨
PM2.5 4.5 µg/m³
19Good
6:00 AM
💨
PM2.5 4.9 µg/m³
20Good
Next few days
daily max · US EPA AQI
Sat
💨
Good · UV Moderate
40
Sun
💨
Good · UV Moderate
38
Mon
💨
Good · UV Moderate
41
Tue
💨
Good · UV Moderate
39
Wed
💨
Good · UV Moderate
35