Air quality in Lewiston
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
9.5 µg/m³
WHO guideline 15
PM10
9.9 µg/m³
WHO guideline 45
Hour by hour (12h) US EPA AQI
1:00 PM
💨
PM2.5 9.5 µg/m³
40 Good
2:00 PM
💨
PM2.5 10.1 µg/m³
42 Good
3:00 PM
💨
PM2.5 9.9 µg/m³
41 Good
4:00 PM
💨
PM2.5 11.4 µg/m³
48 Good
5:00 PM
💨
PM2.5 14 µg/m³
55 Moderate
6:00 PM
💨
PM2.5 16.5 µg/m³
60 Moderate
7:00 PM
💨
PM2.5 17.9 µg/m³
63 Moderate
8:00 PM
💨
PM2.5 18.9 µg/m³
65 Moderate
9:00 PM
💨
PM2.5 17.8 µg/m³
63 Moderate
10:00 PM
💨
PM2.5 12.3 µg/m³
51 Moderate
11:00 PM
💨
PM2.5 8.2 µg/m³
34 Good
12:00 AM
💨
PM2.5 6.9 µg/m³
29 Good
Next few days daily max · US EPA AQI
Fri
💨
Moderate · UV Low
72
Sun
💨
Moderate · UV Moderate
52
Tue
💨
Good · UV Moderate
43
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Precip NEXRAD · NOAA Temp Wind Clouds Terrain