Air quality in Richelieu
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
3.9 µg/m³
WHO guideline 15
PM10
3.9 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
3:00 PM
💨
PM2.5 3.9 µg/m³
37Good
4:00 PM
💨
PM2.5 3.8 µg/m³
38Good
5:00 PM
💨
PM2.5 3.3 µg/m³
36Good
6:00 PM
💨
PM2.5 3.5 µg/m³
30Good
7:00 PM
💨
PM2.5 5.1 µg/m³
21Good
8:00 PM
💨
PM2.5 6.1 µg/m³
25Good
9:00 PM
💨
PM2.5 6 µg/m³
25Good
10:00 PM
💨
PM2.5 5.3 µg/m³
22Good
11:00 PM
💨
PM2.5 4.9 µg/m³
20Good
12:00 AM
💨
PM2.5 4.8 µg/m³
20Good
1:00 AM
💨
PM2.5 4.6 µg/m³
19Good
2:00 AM
💨
PM2.5 4.4 µg/m³
18Good
Next few days
daily max · US EPA AQI
Tue
💨
Good · UV Moderate
38
Wed
💨
Moderate · UV High
62
Thu
💨
Moderate · UV High
88