Air quality in Middlebury
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 µg/m³
WHO guideline 15
PM10
5.6 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
5:00 PM
💨
PM2.5 5 µg/m³
75Moderate
6:00 PM
💨
PM2.5 5 µg/m³
68Moderate
7:00 PM
💨
PM2.5 5.5 µg/m³
58Moderate
8:00 PM
💨
PM2.5 6.4 µg/m³
48Good
9:00 PM
💨
PM2.5 7.1 µg/m³
48Good
10:00 PM
💨
PM2.5 7.5 µg/m³
45Good
11:00 PM
💨
PM2.5 7.4 µg/m³
43Good
12:00 AM
💨
PM2.5 6.7 µg/m³
40Good
1:00 AM
💨
PM2.5 5.7 µg/m³
37Good
2:00 AM
💨
PM2.5 4.6 µg/m³
34Good
3:00 AM
💨
PM2.5 3.9 µg/m³
33Good
4:00 AM
💨
PM2.5 3.5 µg/m³
32Good
Next few days
daily max · US EPA AQI
Sat
💨
Moderate · UV High
76
Sun
💨
Moderate · UV High
65
Mon
💨
Moderate · UV High
70
Tue
💨
Moderate · UV High
93
Wed
💨
Good · UV Very high
41