Air quality in Waldorf
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
4.8 µg/m³
WHO guideline 15
PM10
4.9 µg/m³
WHO guideline 45
Hour by hour (12h) US EPA AQI
8:00 AM
💨
PM2.5 4.8 µg/m³
22 Good
9:00 AM
💨
PM2.5 5.2 µg/m³
26 Good
10:00 AM
💨
PM2.5 5.4 µg/m³
31 Good
11:00 AM
💨
PM2.5 5.3 µg/m³
37 Good
12:00 PM
💨
PM2.5 6.1 µg/m³
44 Good
1:00 PM
💨
PM2.5 7.1 µg/m³
53 Moderate
2:00 PM
💨
PM2.5 7.4 µg/m³
70 Moderate
3:00 PM
💨
PM2.5 7.4 µg/m³
73 Moderate
4:00 PM
💨
PM2.5 7.4 µg/m³
66 Moderate
5:00 PM
💨
PM2.5 7.5 µg/m³
55 Moderate
6:00 PM
💨
PM2.5 8 µg/m³
47 Good
7:00 PM
💨
PM2.5 9 µg/m³
40 Good
Next few days daily max · US EPA AQI
Wed
💨
Moderate · UV Moderate
73
Fri
💨
Moderate · UV Moderate
70
Sat
💨
Good · UV Moderate
36
Sun
💨
Good · UV Moderate
27
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Precip NEXRAD · NOAA Temp Wind Clouds Terrain