Air quality in Severn
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
6.9 µg/m³
WHO guideline 15
PM10
6.9 µg/m³
WHO guideline 45
Hour by hour (12h) US EPA AQI
3:00 AM
💨
PM2.5 6.9 µg/m³
29 Good
4:00 AM
💨
PM2.5 6 µg/m³
26 Good
5:00 AM
💨
PM2.5 5.3 µg/m³
26 Good
6:00 AM
💨
PM2.5 4.9 µg/m³
25 Good
7:00 AM
💨
PM2.5 5.1 µg/m³
24 Good
8:00 AM
💨
PM2.5 6.5 µg/m³
27 Good
9:00 AM
💨
PM2.5 9 µg/m³
38 Good
10:00 AM
💨
PM2.5 9.5 µg/m³
40 Good
11:00 AM
💨
PM2.5 10 µg/m³
46 Good
12:00 PM
💨
PM2.5 10.7 µg/m³
58 Moderate
1:00 PM
💨
PM2.5 11.1 µg/m³
81 Moderate
2:00 PM
💨
PM2.5 11.4 µg/m³
93 Moderate
Next few days daily max · US EPA AQI
Wed
💨
Moderate · UV Moderate
95
Thu
💨
Moderate · UV Low
52
Fri
💨
Moderate · UV Moderate
88
Sat
💨
Good · UV Moderate
35
Sun
💨
Good · UV Moderate
30
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Precip NEXRAD · NOAA Temp Wind Clouds Terrain