Air quality in Centreville
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
10.4 µg/m³
WHO guideline 15
PM10
10.6 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
8:00 AM
💨
PM2.5 10.4 µg/m³
43Good
9:00 AM
💨
PM2.5 10.5 µg/m³
44Good
10:00 AM
💨
PM2.5 11.5 µg/m³
56Moderate
11:00 AM
💨
PM2.5 11.5 µg/m³
98Moderate
12:00 PM
💨
PM2.5 10.7 µg/m³
108Unhealthy for Sensitive Groups
1:00 PM
💨
PM2.5 8.9 µg/m³
106Unhealthy for Sensitive Groups
2:00 PM
💨
PM2.5 7.1 µg/m³
99Moderate
3:00 PM
💨
PM2.5 5.7 µg/m³
96Moderate
4:00 PM
💨
PM2.5 5 µg/m³
86Moderate
5:00 PM
💨
PM2.5 4.5 µg/m³
73Moderate
6:00 PM
💨
PM2.5 4.6 µg/m³
50Good
7:00 PM
💨
PM2.5 5.6 µg/m³
43Good
Next few days
daily max · US EPA AQI
Fri
💨
Unhealthy for Sensitive Groups · UV High
108
Sat
💨
Moderate · UV High
55
Sun
💨
Moderate · UV High
61
Mon
💨
Moderate · UV High
61