Air quality in Winston-Salem
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
7.9 µg/m³
WHO guideline 15
PM10
8.5 µg/m³
WHO guideline 45
Hour by hour (12h) US EPA AQI
4:00 PM
💨
PM2.5 7.9 µg/m³
63 Moderate
5:00 PM
💨
PM2.5 8.1 µg/m³
56 Moderate
6:00 PM
💨
PM2.5 9.4 µg/m³
48 Good
7:00 PM
💨
PM2.5 10.4 µg/m³
43 Good
8:00 PM
💨
PM2.5 10.6 µg/m³
44 Good
9:00 PM
💨
PM2.5 10.6 µg/m³
44 Good
10:00 PM
💨
PM2.5 10.7 µg/m³
45 Good
11:00 PM
💨
PM2.5 10.9 µg/m³
45 Good
12:00 AM
💨
PM2.5 11 µg/m³
46 Good
1:00 AM
💨
PM2.5 11 µg/m³
46 Good
2:00 AM
💨
PM2.5 11.1 µg/m³
46 Good
3:00 AM
💨
PM2.5 11.8 µg/m³
49 Good
Next few days daily max · US EPA AQI
Tue
💨
Moderate · UV Moderate
63
Wed
💨
Moderate · UV Moderate
54
Thu
💨
Moderate · UV Moderate
61
Fri
💨
Moderate · UV Moderate
52
Sat
💨
Good · UV Moderate
30
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Precip NEXRAD · NOAA Temp Wind Clouds Terrain