Air quality in Mount Royal
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
8.3 µg/m³
WHO guideline 15
PM10
8.4 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
8:00 AM
💨
PM2.5 8.3 µg/m³
35Good
9:00 AM
💨
PM2.5 10 µg/m³
42Good
10:00 AM
💨
PM2.5 11.3 µg/m³
47Good
11:00 AM
💨
PM2.5 11 µg/m³
46Good
12:00 PM
💨
PM2.5 10.1 µg/m³
42Good
1:00 PM
💨
PM2.5 10.2 µg/m³
43Good
2:00 PM
💨
PM2.5 10.5 µg/m³
44Good
3:00 PM
💨
PM2.5 9.7 µg/m³
40Good
4:00 PM
💨
PM2.5 9.1 µg/m³
41Good
5:00 PM
💨
PM2.5 9.8 µg/m³
43Good
6:00 PM
💨
PM2.5 10.3 µg/m³
43Good
7:00 PM
💨
PM2.5 10.1 µg/m³
42Good
Next few days
daily max · US EPA AQI
Tue
💨
Good · UV Moderate
34
Wed
💨
Good · UV Moderate
39
Thu
💨
Good · UV Moderate
26