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
2.4 µg/m³
WHO guideline 15
PM10
3.1 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
3:00 PM
💨
PM2.5 2.4 µg/m³
34Good
4:00 PM
💨
PM2.5 2.1 µg/m³
34Good
5:00 PM
💨
PM2.5 2.2 µg/m³
34Good
6:00 PM
💨
PM2.5 2.5 µg/m³
33Good
7:00 PM
💨
PM2.5 2.8 µg/m³
32Good
8:00 PM
💨
PM2.5 3.2 µg/m³
30Good
9:00 PM
💨
PM2.5 3.7 µg/m³
30Good
10:00 PM
💨
PM2.5 4 µg/m³
30Good
11:00 PM
💨
PM2.5 4.3 µg/m³
29Good
12:00 AM
💨
PM2.5 4.8 µg/m³
29Good
1:00 AM
💨
PM2.5 5.6 µg/m³
28Good
2:00 AM
💨
PM2.5 6.4 µg/m³
27Good
Next few days
daily max · US EPA AQI
Fri
💨
Good · UV Very high
37
Sat
💨
Good · UV Very high
42
Sun
💨
Moderate · UV Very high
75
Mon
💨
Good · UV Very high
46