Air quality in Mont-Saint-Grégoire
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
4.9 µg/m³
WHO guideline 15
PM10
5.2 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
10:00 AM
💨
PM2.5 4.9 µg/m³
26Good
11:00 AM
💨
PM2.5 4.5 µg/m³
32Good
12:00 PM
💨
PM2.5 4.1 µg/m³
34Good
1:00 PM
💨
PM2.5 3.2 µg/m³
34Good
2:00 PM
💨
PM2.5 2.8 µg/m³
35Good
3:00 PM
💨
PM2.5 2.5 µg/m³
35Good
4:00 PM
💨
PM2.5 2.4 µg/m³
35Good
5:00 PM
💨
PM2.5 2.4 µg/m³
34Good
6:00 PM
💨
PM2.5 2.9 µg/m³
30Good
7:00 PM
💨
PM2.5 3.8 µg/m³
25Good
8:00 PM
💨
PM2.5 4.3 µg/m³
22Good
9:00 PM
💨
PM2.5 3.9 µg/m³
23Good
Next few days
daily max · US EPA AQI
Sun
💨
Good · UV Moderate
37
Mon
💨
Moderate · UV High
72
Tue
💨
Moderate · UV High
74
Wed
💨
Moderate · UV Moderate
55