Air quality in Howell
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
5.3 µg/m³
WHO guideline 15
PM10
5.4 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
8:00 AM
💨
PM2.5 5.3 µg/m³
22Good
9:00 AM
💨
PM2.5 5.7 µg/m³
28Good
10:00 AM
💨
PM2.5 6.8 µg/m³
39Good
11:00 AM
💨
PM2.5 7.8 µg/m³
49Good
12:00 PM
💨
PM2.5 8.3 µg/m³
63Moderate
1:00 PM
💨
PM2.5 8.6 µg/m³
76Moderate
2:00 PM
💨
PM2.5 8.4 µg/m³
85Moderate
3:00 PM
💨
PM2.5 7.9 µg/m³
86Moderate
4:00 PM
💨
PM2.5 7.7 µg/m³
81Moderate
5:00 PM
💨
PM2.5 7.4 µg/m³
75Moderate
6:00 PM
💨
PM2.5 7 µg/m³
66Moderate
7:00 PM
💨
PM2.5 6.7 µg/m³
56Moderate
Next few days
daily max · US EPA AQI
Fri
💨
Moderate · UV High
86