Air quality in Saint-Jean-sur-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
4.8 µg/m³
WHO guideline 15
PM10
4.8 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
12:00 AM
💨
PM2.5 4.8 µg/m³
22Good
1:00 AM
💨
PM2.5 4.6 µg/m³
21Good
2:00 AM
💨
PM2.5 4.1 µg/m³
19Good
3:00 AM
💨
PM2.5 3.9 µg/m³
18Good
4:00 AM
💨
PM2.5 4 µg/m³
17Good
5:00 AM
💨
PM2.5 4.4 µg/m³
18Good
6:00 AM
💨
PM2.5 4.7 µg/m³
20Good
7:00 AM
💨
PM2.5 5 µg/m³
21Good
8:00 AM
💨
PM2.5 5.3 µg/m³
22Good
9:00 AM
💨
PM2.5 5.7 µg/m³
24Good
10:00 AM
💨
PM2.5 6.8 µg/m³
31Good
11:00 AM
💨
PM2.5 7 µg/m³
38Good
Next few days
daily max · US EPA AQI
Fri
💨
Good · UV Moderate
44
Sun
💨
Moderate · UV Moderate
53
Mon
💨
Moderate · UV High
54
Tue
💨
Good · UV Moderate
22