Air quality in Richmond Hill
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
11.7 µg/m³
WHO guideline 15
PM10
14.1 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
9:00 AM
💨
PM2.5 11.7 µg/m³
49Good
10:00 AM
💨
PM2.5 7.6 µg/m³
32Good
11:00 AM
💨
PM2.5 5.9 µg/m³
33Good
12:00 PM
💨
PM2.5 5.2 µg/m³
35Good
1:00 PM
💨
PM2.5 4.6 µg/m³
36Good
2:00 PM
💨
PM2.5 4.2 µg/m³
35Good
3:00 PM
💨
PM2.5 4 µg/m³
34Good
4:00 PM
💨
PM2.5 3.9 µg/m³
32Good
5:00 PM
💨
PM2.5 3.9 µg/m³
29Good
6:00 PM
💨
PM2.5 4.2 µg/m³
26Good
7:00 PM
💨
PM2.5 4.6 µg/m³
23Good
8:00 PM
💨
PM2.5 4.4 µg/m³
20Good
Next few days
daily max · US EPA AQI
Wed
💨
Moderate · UV Very high
53
Thu
💨
Good · UV Very high
29
Fri
💨
Good · UV Very high
33
Sat
💨
Good · UV Very high
49
Sun
💨
Good · UV Very high
40