Air quality in Chantilly
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 µg/m³
WHO guideline 15
PM10
4.8 µg/m³
WHO guideline 45
Hour by hour (12h) US EPA AQI
4:00 PM
💨
PM2.5 4 µg/m³
40 Good
5:00 PM
💨
PM2.5 3.9 µg/m³
39 Good
6:00 PM
💨
PM2.5 4.8 µg/m³
34 Good
7:00 PM
💨
PM2.5 7.2 µg/m³
30 Good
8:00 PM
💨
PM2.5 8.9 µg/m³
37 Good
9:00 PM
💨
PM2.5 10.5 µg/m³
44 Good
10:00 PM
💨
PM2.5 12 µg/m³
50 Good
11:00 PM
💨
PM2.5 13.3 µg/m³
54 Moderate
12:00 AM
💨
PM2.5 14.6 µg/m³
56 Moderate
1:00 AM
💨
PM2.5 15.1 µg/m³
57 Moderate
2:00 AM
💨
PM2.5 15.1 µg/m³
57 Moderate
3:00 AM
💨
PM2.5 14.7 µg/m³
56 Moderate
Next few days daily max · US EPA AQI
Sun
💨
Moderate · UV Moderate
54
Mon
💨
Moderate · UV Moderate
57
Tue
💨
Good · UV Moderate
44
Wed
💨
Good · UV Moderate
39
Thu
💨
Good · UV Moderate
24
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Precip NEXRAD · NOAA Temp Wind Clouds Terrain