Air quality in Portage
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
14.3 µg/m³
WHO guideline 15
PM10
14.7 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
6:00 PM
💨
PM2.5 14.3 µg/m³
152Unhealthy
7:00 PM
💨
PM2.5 14.5 µg/m³
145Unhealthy for Sensitive Groups
8:00 PM
💨
PM2.5 14.6 µg/m³
131Unhealthy for Sensitive Groups
9:00 PM
💨
PM2.5 14.8 µg/m³
110Unhealthy for Sensitive Groups
10:00 PM
💨
PM2.5 13.5 µg/m³
88Moderate
11:00 PM
💨
PM2.5 12.2 µg/m³
65Moderate
12:00 AM
💨
PM2.5 12.9 µg/m³
53Moderate
1:00 AM
💨
PM2.5 13.6 µg/m³
54Moderate
2:00 AM
💨
PM2.5 13.1 µg/m³
53Moderate
3:00 AM
💨
PM2.5 10.7 µg/m³
45Good
4:00 AM
💨
PM2.5 9.7 µg/m³
40Good
5:00 AM
💨
PM2.5 9 µg/m³
38Good
Next few days
daily max · US EPA AQI
Wed
💨
Unhealthy · UV High
153
Thu
💨
Moderate · UV High
78
Fri
💨
Moderate · UV High
66
Sat
💨
Moderate · UV High
61