Air quality in Ellensburg
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
30.6 µg/m³
WHO guideline 15
PM10
32.6 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
11:00 AM
💨
PM2.5 30.6 µg/m³
90Moderate
12:00 PM
💨
PM2.5 23.1 µg/m³
74Moderate
1:00 PM
💨
PM2.5 20.1 µg/m³
68Moderate
2:00 PM
💨
PM2.5 17.7 µg/m³
63Moderate
3:00 PM
💨
PM2.5 15.8 µg/m³
59Moderate
4:00 PM
💨
PM2.5 14.1 µg/m³
55Moderate
5:00 PM
💨
PM2.5 12.6 µg/m³
52Moderate
6:00 PM
💨
PM2.5 11.4 µg/m³
48Good
7:00 PM
💨
PM2.5 10.4 µg/m³
43Good
8:00 PM
💨
PM2.5 9.7 µg/m³
40Good
9:00 PM
💨
PM2.5 9.1 µg/m³
38Good
10:00 PM
💨
PM2.5 9.3 µg/m³
39Good
Next few days
daily max · US EPA AQI
Mon
💨
Unhealthy for Sensitive Groups · UV High
119
Tue
💨
Unhealthy for Sensitive Groups · UV Moderate
134
Wed
💨
Good · UV Moderate
41
Thu
💨
Good · UV Moderate
45
Fri
💨
Unhealthy · UV Moderate
160