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
15.8 µg/m³
WHO guideline 15
PM10
19.7 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
10:00 AM
💨
PM2.5 15.8 µg/m³
59Moderate
11:00 AM
💨
PM2.5 16.9 µg/m³
61Moderate
12:00 PM
💨
PM2.5 18.4 µg/m³
85Moderate
1:00 PM
💨
PM2.5 18.7 µg/m³
115Unhealthy for Sensitive Groups
2:00 PM
💨
PM2.5 18.3 µg/m³
126Unhealthy for Sensitive Groups
3:00 PM
💨
PM2.5 17.2 µg/m³
120Unhealthy for Sensitive Groups
4:00 PM
💨
PM2.5 15.7 µg/m³
110Unhealthy for Sensitive Groups
5:00 PM
💨
PM2.5 14.1 µg/m³
96Moderate
6:00 PM
💨
PM2.5 13.3 µg/m³
76Moderate
7:00 PM
💨
PM2.5 12.9 µg/m³
56Moderate
8:00 PM
💨
PM2.5 12.8 µg/m³
52Moderate
9:00 PM
💨
PM2.5 12.8 µg/m³
52Moderate
Next few days
daily max · US EPA AQI
Sun
💨
Unhealthy for Sensitive Groups · UV Very high
126
Mon
💨
Unhealthy · UV Very high
162
Tue
💨
Moderate · UV Very high
66
Wed
💨
Unhealthy for Sensitive Groups · UV Very high
122
Thu
💨
Moderate · UV Very high
86