Air quality in Winona
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
2.9 µg/m³
WHO guideline 15
PM10
2.9 µg/m³
WHO guideline 45
Hour by hour (12h) US EPA AQI
1:00 PM
💨
PM2.5 2.9 µg/m³
43 Good
2:00 PM
💨
PM2.5 2.7 µg/m³
46 Good
3:00 PM
💨
PM2.5 2.8 µg/m³
46 Good
4:00 PM
💨
PM2.5 2.9 µg/m³
45 Good
5:00 PM
💨
PM2.5 3.2 µg/m³
43 Good
6:00 PM
💨
PM2.5 3.8 µg/m³
38 Good
7:00 PM
💨
PM2.5 4.8 µg/m³
34 Good
8:00 PM
💨
PM2.5 5.6 µg/m³
33 Good
9:00 PM
💨
PM2.5 6.5 µg/m³
32 Good
10:00 PM
💨
PM2.5 7.6 µg/m³
32 Good
11:00 PM
💨
PM2.5 8.6 µg/m³
36 Good
12:00 AM
💨
PM2.5 9.5 µg/m³
40 Good
Next few days daily max · US EPA AQI
Tue
💨
Good · UV Moderate
46
Wed
💨
Moderate · UV Moderate
67
Thu
💨
Moderate · UV Moderate
67
Fri
💨
Moderate · UV Moderate
70
Sat
💨
Moderate · UV High
53
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Precip NEXRAD · NOAA Temp Wind Clouds Terrain