Air quality in Williamsburg
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
5.9 µg/m³
WHO guideline 15
PM10
5.9 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
2:00 AM
💨
PM2.5 5.9 µg/m³
36Good
3:00 AM
💨
PM2.5 6.2 µg/m³
36Good
4:00 AM
💨
PM2.5 6.6 µg/m³
35Good
5:00 AM
💨
PM2.5 7.3 µg/m³
34Good
6:00 AM
💨
PM2.5 7.8 µg/m³
33Good
7:00 AM
💨
PM2.5 8.1 µg/m³
34Good
8:00 AM
💨
PM2.5 7.6 µg/m³
32Good
9:00 AM
💨
PM2.5 5.9 µg/m³
34Good
10:00 AM
💨
PM2.5 5.5 µg/m³
37Good
11:00 AM
💨
PM2.5 5.6 µg/m³
41Good
12:00 PM
💨
PM2.5 6.4 µg/m³
45Good
1:00 PM
💨
PM2.5 8.1 µg/m³
50Good
Next few days
daily max · US EPA AQI
Sat
💨
Moderate · UV High
65
Sun
💨
Moderate · UV Very high
73
Mon
💨
Moderate · UV High
98
Tue
💨
Moderate · UV High
96
Wed
💨
Good · UV Very high
35