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
26 µg/m³
WHO guideline 15
PM10
26.9 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
1:00 AM
💨
PM2.5 26 µg/m³
80Moderate
2:00 AM
💨
PM2.5 24.8 µg/m³
78Moderate
3:00 AM
💨
PM2.5 20.1 µg/m³
68Moderate
4:00 AM
💨
PM2.5 16.5 µg/m³
60Moderate
5:00 AM
💨
PM2.5 13.5 µg/m³
54Moderate
6:00 AM
💨
PM2.5 12.8 µg/m³
52Moderate
7:00 AM
💨
PM2.5 13.4 µg/m³
54Moderate
8:00 AM
💨
PM2.5 15.6 µg/m³
58Moderate
9:00 AM
💨
PM2.5 17.6 µg/m³
63Moderate
10:00 AM
💨
PM2.5 15.6 µg/m³
58Moderate
11:00 AM
💨
PM2.5 14.5 µg/m³
56Moderate
12:00 PM
💨
PM2.5 16.2 µg/m³
60Moderate
Next few days
daily max · US EPA AQI
Wed
💨
Moderate · UV Moderate
80
Thu
💨
Moderate · UV Very high
67
Fri
💨
Moderate · UV Very high
84
Sat
💨
Unhealthy for Sensitive Groups · UV Very high
108
Sun
💨
Unhealthy for Sensitive Groups · UV Very high
110