Air quality in Caledon
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
9.3 µg/m³
WHO guideline 15
PM10
9.4 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
8:00 PM
💨
PM2.5 9.3 µg/m³
39Good
9:00 PM
💨
PM2.5 10.7 µg/m³
45Good
10:00 PM
💨
PM2.5 11.1 µg/m³
46Good
11:00 PM
💨
PM2.5 10.7 µg/m³
45Good
12:00 AM
💨
PM2.5 9.7 µg/m³
40Good
1:00 AM
💨
PM2.5 9 µg/m³
38Good
2:00 AM
💨
PM2.5 7.9 µg/m³
33Good
3:00 AM
💨
PM2.5 6.8 µg/m³
28Good
4:00 AM
💨
PM2.5 6 µg/m³
27Good
5:00 AM
💨
PM2.5 5.5 µg/m³
26Good
6:00 AM
💨
PM2.5 5.4 µg/m³
24Good
7:00 AM
💨
PM2.5 5.4 µg/m³
23Good
Next few days
daily max · US EPA AQI
Fri
💨
Moderate · UV High
55
Sat
💨
Moderate · UV High
78
Sun
💨
Good · UV Moderate
40