Air quality in Olympia
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
17.1 µg/m³
WHO guideline 15
PM10
17.8 µg/m³
WHO guideline 45
Hour by hour (12h) US EPA AQI
11:00 PM
💨
PM2.5 17.1 µg/m³
62 Moderate
12:00 AM
💨
PM2.5 15.5 µg/m³
58 Moderate
1:00 AM
💨
PM2.5 13.8 µg/m³
55 Moderate
2:00 AM
💨
PM2.5 12.7 µg/m³
52 Moderate
3:00 AM
💨
PM2.5 12 µg/m³
50 Good
4:00 AM
💨
PM2.5 9.9 µg/m³
41 Good
5:00 AM
💨
PM2.5 6.8 µg/m³
28 Good
6:00 AM
💨
PM2.5 4.8 µg/m³
29 Good
7:00 AM
💨
PM2.5 4.3 µg/m³
33 Good
8:00 AM
💨
PM2.5 4.9 µg/m³
34 Good
9:00 AM
💨
PM2.5 5.9 µg/m³
32 Good
10:00 AM
💨
PM2.5 6.4 µg/m³
31 Good
Next few days daily max · US EPA AQI
Thu
💨
Moderate · UV Low
73
Fri
💨
Moderate · UV Low
58
Sun
💨
Moderate · UV Moderate
51
Mon
💨
Good · UV Moderate
45
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Precip NEXRAD · NOAA Temp Wind Clouds Terrain