Air quality in Walla Walla East
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
4.4 µg/m³
WHO guideline 15
PM10
5.2 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
4:00 PM
💨
PM2.5 4.4 µg/m³
40Good
5:00 PM
💨
PM2.5 3.6 µg/m³
40Good
6:00 PM
💨
PM2.5 2.9 µg/m³
39Good
7:00 PM
💨
PM2.5 2.4 µg/m³
38Good
8:00 PM
💨
PM2.5 2.1 µg/m³
36Good
9:00 PM
💨
PM2.5 2 µg/m³
34Good
10:00 PM
💨
PM2.5 1.9 µg/m³
31Good
11:00 PM
💨
PM2.5 1.9 µg/m³
29Good
12:00 AM
💨
PM2.5 3.2 µg/m³
26Good
1:00 AM
💨
PM2.5 4.3 µg/m³
25Good
2:00 AM
💨
PM2.5 5.2 µg/m³
23Good
3:00 AM
💨
PM2.5 5.8 µg/m³
24Good
Next few days
daily max · US EPA AQI
Sun
💨
Moderate · UV High
60
Mon
💨
Moderate · UV High
79
Tue
💨
Moderate · UV Moderate
82
Wed
💨
Moderate · UV High
52