Air quality in 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
15.8 µg/m³
WHO guideline 15
PM10
18.2 µg/m³
WHO guideline 45
Hour by hour (12h) US EPA AQI
9:00 AM
💨
PM2.5 15.8 µg/m³
59 Moderate
10:00 AM
💨
PM2.5 11.1 µg/m³
46 Good
11:00 AM
💨
PM2.5 9.8 µg/m³
41 Good
12:00 PM
💨
PM2.5 9.5 µg/m³
40 Good
1:00 PM
💨
PM2.5 9.1 µg/m³
39 Good
2:00 PM
💨
PM2.5 8.2 µg/m³
42 Good
3:00 PM
💨
PM2.5 7.1 µg/m³
43 Good
4:00 PM
💨
PM2.5 6.3 µg/m³
42 Good
5:00 PM
💨
PM2.5 5.8 µg/m³
40 Good
6:00 PM
💨
PM2.5 6.1 µg/m³
35 Good
7:00 PM
💨
PM2.5 6.9 µg/m³
29 Good
8:00 PM
💨
PM2.5 7 µg/m³
29 Good
Next few days daily max · US EPA AQI
Thu
💨
Moderate · UV Moderate
62
Sun
💨
Good · UV Moderate
36
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Precip NEXRAD · NOAA Temp Wind Clouds Terrain