Air quality in Grand Falls-Windsor
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
2.6 µg/m³
WHO guideline 15
PM10
2.8 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
10:00 AM
💨
PM2.5 2.6 µg/m³
32Good
11:00 AM
💨
PM2.5 3 µg/m³
34Good
12:00 PM
💨
PM2.5 3.7 µg/m³
37Good
1:00 PM
💨
PM2.5 4.1 µg/m³
39Good
2:00 PM
💨
PM2.5 4.4 µg/m³
40Good
3:00 PM
💨
PM2.5 4.4 µg/m³
41Good
4:00 PM
💨
PM2.5 4.6 µg/m³
41Good
5:00 PM
💨
PM2.5 4.7 µg/m³
41Good
6:00 PM
💨
PM2.5 4.5 µg/m³
40Good
7:00 PM
💨
PM2.5 4.5 µg/m³
38Good
8:00 PM
💨
PM2.5 4.4 µg/m³
37Good
9:00 PM
💨
PM2.5 4.6 µg/m³
35Good
Next few days
daily max · US EPA AQI
Sat
💨
Good · UV Moderate
37
Sun
💨
Good · UV Moderate
34
Mon
💨
Good · UV Moderate
33
Tue
💨
No data · UV Moderate
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