Air quality in Richland
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
24.2 µg/m³
WHO guideline 15
PM10
24.7 µg/m³
WHO guideline 45
Hour by hour (12h) US EPA AQI
4:00 AM
💨
PM2.5 24.2 µg/m³
76 Moderate
5:00 AM
💨
PM2.5 23.2 µg/m³
74 Moderate
6:00 AM
💨
PM2.5 22.2 µg/m³
72 Moderate
7:00 AM
💨
PM2.5 21.1 µg/m³
70 Moderate
8:00 AM
💨
PM2.5 20.5 µg/m³
69 Moderate
9:00 AM
💨
PM2.5 19.7 µg/m³
67 Moderate
10:00 AM
💨
PM2.5 18.7 µg/m³
65 Moderate
11:00 AM
💨
PM2.5 17.8 µg/m³
63 Moderate
12:00 PM
💨
PM2.5 16.9 µg/m³
61 Moderate
1:00 PM
💨
PM2.5 15.3 µg/m³
58 Moderate
2:00 PM
💨
PM2.5 14.4 µg/m³
56 Moderate
3:00 PM
💨
PM2.5 14.1 µg/m³
55 Moderate
Next few days daily max · US EPA AQI
Fri
💨
Moderate · UV Low
76
Sat
💨
Moderate · UV Low
57
Sun
💨
Good · UV Moderate
43
Mon
💨
Good · UV Moderate
44
Tue
💨
Good · UV Moderate
45
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Precip NEXRAD · NOAA Temp Wind Clouds Terrain