Air quality in Webster
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
7.5 µg/m³
WHO guideline 15
PM10
7.7 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
7:00 PM
💨
PM2.5 7.5 µg/m³
35Good
8:00 PM
💨
PM2.5 7.8 µg/m³
33Good
9:00 PM
💨
PM2.5 8.7 µg/m³
36Good
10:00 PM
💨
PM2.5 9.7 µg/m³
40Good
11:00 PM
💨
PM2.5 12.5 µg/m³
52Moderate
12:00 AM
💨
PM2.5 18.3 µg/m³
64Moderate
1:00 AM
💨
PM2.5 15.8 µg/m³
59Moderate
2:00 AM
💨
PM2.5 12.8 µg/m³
52Moderate
3:00 AM
💨
PM2.5 9.8 µg/m³
41Good
4:00 AM
💨
PM2.5 10.9 µg/m³
45Good
5:00 AM
💨
PM2.5 8.8 µg/m³
37Good
6:00 AM
💨
PM2.5 4.5 µg/m³
26Good
Next few days
daily max · US EPA AQI
Tue
💨
Moderate · UV Moderate
78
Wed
💨
Moderate · UV Moderate
64
Thu
💨
Moderate · UV Very high
70
Fri
💨
Moderate · UV Very high
70
Sat
💨
Moderate · UV Very high
82