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
4.2 µg/m³
WHO guideline 15
PM10
4.3 µg/m³
WHO guideline 45
Hour by hour (12h) US EPA AQI
12:00 AM
💨
PM2.5 4.2 µg/m³
18 Good
1:00 AM
💨
PM2.5 4.1 µg/m³
17 Good
2:00 AM
💨
PM2.5 4 µg/m³
17 Good
3:00 AM
💨
PM2.5 3.8 µg/m³
16 Good
4:00 AM
💨
PM2.5 3.7 µg/m³
15 Good
5:00 AM
💨
PM2.5 3.9 µg/m³
16 Good
6:00 AM
💨
PM2.5 4.4 µg/m³
18 Good
7:00 AM
💨
PM2.5 5.6 µg/m³
23 Good
8:00 AM
💨
PM2.5 6.5 µg/m³
27 Good
9:00 AM
💨
PM2.5 4.6 µg/m³
20 Good
10:00 AM
💨
PM2.5 2.8 µg/m³
25 Good
11:00 AM
💨
PM2.5 2.5 µg/m³
29 Good
Next few days daily max · US EPA AQI
Sat
💨
Moderate · UV Low
66
Sun
💨
Moderate · UV Low
72
Mon
💨
Moderate · UV Low
70
Tue
💨
Moderate · UV Low
56
JavaScript is needed for the map — the city links below work without it.
Precip NEXRAD · NOAA Temp Wind Clouds Terrain