Air quality in Spirit Lake
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
3.5 µg/m³
WHO guideline 15
PM10
4 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
2:00 PM
💨
PM2.5 3.5 µg/m³
34Good
3:00 PM
💨
PM2.5 4.4 µg/m³
36Good
4:00 PM
💨
PM2.5 6.7 µg/m³
39Good
5:00 PM
💨
PM2.5 6.1 µg/m³
41Good
6:00 PM
💨
PM2.5 5.6 µg/m³
39Good
7:00 PM
💨
PM2.5 5.3 µg/m³
37Good
8:00 PM
💨
PM2.5 5.3 µg/m³
34Good
9:00 PM
💨
PM2.5 4.6 µg/m³
34Good
10:00 PM
💨
PM2.5 3.6 µg/m³
34Good
11:00 PM
💨
PM2.5 3 µg/m³
33Good
12:00 AM
💨
PM2.5 2.1 µg/m³
33Good
1:00 AM
💨
PM2.5 1.5 µg/m³
32Good
Next few days
daily max · US EPA AQI
Thu
💨
Good · UV Moderate
46
Fri
💨
Good · UV Moderate
49
Sat
💨
Good · UV Moderate
46