Air quality in Redmond
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
3 µg/m³
WHO guideline 15
PM10
4 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
7:00 PM
💨
PM2.5 3 µg/m³
32Good
8:00 PM
💨
PM2.5 3.8 µg/m³
32Good
9:00 PM
💨
PM2.5 4.1 µg/m³
30Good
10:00 PM
💨
PM2.5 5.3 µg/m³
28Good
11:00 PM
💨
PM2.5 6.1 µg/m³
27Good
12:00 AM
💨
PM2.5 6.5 µg/m³
27Good
1:00 AM
💨
PM2.5 7.9 µg/m³
33Good
2:00 AM
💨
PM2.5 9.5 µg/m³
40Good
3:00 AM
💨
PM2.5 11 µg/m³
46Good
4:00 AM
💨
PM2.5 10.7 µg/m³
45Good
5:00 AM
💨
PM2.5 9.4 µg/m³
39Good
6:00 AM
💨
PM2.5 9 µg/m³
38Good
Next few days
daily max · US EPA AQI
Sat
💨
Good · UV Moderate
33
Sun
💨
Moderate · UV Low
96
Mon
💨
Hazardous · UV Moderate
388
Tue
💨
Very Unhealthy · UV Moderate
256
Wed
💨
Good · UV Moderate
29