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
16.5 µg/m³
WHO guideline 15
PM10
16.6 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
9:00 PM
💨
PM2.5 16.5 µg/m³
60Moderate
10:00 PM
💨
PM2.5 16.8 µg/m³
61Moderate
11:00 PM
💨
PM2.5 17.3 µg/m³
62Moderate
12:00 AM
💨
PM2.5 17.1 µg/m³
62Moderate
1:00 AM
💨
PM2.5 16 µg/m³
59Moderate
2:00 AM
💨
PM2.5 14.6 µg/m³
56Moderate
3:00 AM
💨
PM2.5 13.3 µg/m³
54Moderate
4:00 AM
💨
PM2.5 12.2 µg/m³
51Moderate
5:00 AM
💨
PM2.5 11.6 µg/m³
48Good
6:00 AM
💨
PM2.5 11.4 µg/m³
48Good
7:00 AM
💨
PM2.5 11.5 µg/m³
48Good
8:00 AM
💨
PM2.5 12.1 µg/m³
51Moderate
Next few days
daily max · US EPA AQI
Mon
💨
Moderate · UV High
73
Tue
💨
Moderate · UV High
62
Wed
💨
Moderate · UV High
84
Thu
💨
Moderate · UV High
91
Fri
💨
Moderate · UV Very high
54