Air quality in West End
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
0.5 µg/m³
WHO guideline 15
PM10
0.5 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
1:00 PM
💨
PM2.5 0.5 µg/m³
32Good
2:00 PM
💨
PM2.5 0.4 µg/m³
34Good
3:00 PM
💨
PM2.5 0.6 µg/m³
34Good
4:00 PM
💨
PM2.5 0.5 µg/m³
34Good
5:00 PM
💨
PM2.5 0.4 µg/m³
34Good
6:00 PM
💨
PM2.5 0.5 µg/m³
32Good
7:00 PM
💨
PM2.5 0.5 µg/m³
30Good
8:00 PM
💨
PM2.5 0.6 µg/m³
29Good
9:00 PM
💨
PM2.5 0.9 µg/m³
27Good
10:00 PM
💨
PM2.5 1.2 µg/m³
26Good
11:00 PM
💨
PM2.5 1.8 µg/m³
26Good
12:00 AM
💨
PM2.5 2.8 µg/m³
26Good
Next few days
daily max · US EPA AQI
Thu
💨
Moderate · UV High
51
Sat
💨
Good · UV Moderate
25