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
10.7 µg/m³
WHO guideline 15
PM10
13.3 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
12:00 PM
💨
PM2.5 10.7 µg/m³
58Moderate
1:00 PM
💨
PM2.5 11.1 µg/m³
65Moderate
2:00 PM
💨
PM2.5 11.1 µg/m³
71Moderate
3:00 PM
💨
PM2.5 10 µg/m³
75Moderate
4:00 PM
💨
PM2.5 9.5 µg/m³
78Moderate
5:00 PM
💨
PM2.5 9.2 µg/m³
81Moderate
6:00 PM
💨
PM2.5 8.8 µg/m³
85Moderate
7:00 PM
💨
PM2.5 8.7 µg/m³
80Moderate
8:00 PM
💨
PM2.5 9.3 µg/m³
63Moderate
9:00 PM
💨
PM2.5 9.9 µg/m³
47Good
10:00 PM
💨
PM2.5 10.4 µg/m³
43Good
11:00 PM
💨
PM2.5 11.1 µg/m³
46Good
Next few days
daily max · US EPA AQI
Fri
💨
Moderate · UV Very high
85
Sat
💨
Moderate · UV Very high
56
Sun
💨
Moderate · UV Very high
68
Mon
💨
Moderate · UV Low
57
Tue
💨
Moderate · UV Very high
63