Air quality in Grand Forks
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
6 µg/m³
WHO guideline 15
PM10
6 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
6:00 AM
💨
PM2.5 6 µg/m³
25Good
7:00 AM
💨
PM2.5 6 µg/m³
25Good
8:00 AM
💨
PM2.5 6 µg/m³
25Good
9:00 AM
💨
PM2.5 6 µg/m³
27Good
10:00 AM
💨
PM2.5 6.1 µg/m³
31Good
11:00 AM
💨
PM2.5 6.3 µg/m³
34Good
12:00 PM
💨
PM2.5 6.4 µg/m³
38Good
1:00 PM
💨
PM2.5 6.9 µg/m³
42Good
2:00 PM
💨
PM2.5 7.4 µg/m³
44Good
3:00 PM
💨
PM2.5 7.5 µg/m³
46Good
4:00 PM
💨
PM2.5 7.5 µg/m³
46Good
5:00 PM
💨
PM2.5 7.2 µg/m³
44Good
Next few days
daily max · US EPA AQI
Thu
💨
Good · UV Moderate
46
Fri
💨
Good · UV Moderate
47
Sat
💨
Moderate · UV High
51
Sun
💨
Good · UV Moderate
40
Mon
💨
Good · UV Moderate
25