Air quality in Allegheny West
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
9.2 µg/m³
WHO guideline 15
PM10
9.3 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
10:00 PM
💨
PM2.5 9.2 µg/m³
38Good
11:00 PM
💨
PM2.5 6.4 µg/m³
27Good
12:00 AM
💨
PM2.5 4.5 µg/m³
24Good
1:00 AM
💨
PM2.5 3.9 µg/m³
24Good
2:00 AM
💨
PM2.5 3.9 µg/m³
24Good
3:00 AM
💨
PM2.5 4.2 µg/m³
24Good
4:00 AM
💨
PM2.5 4.4 µg/m³
23Good
5:00 AM
💨
PM2.5 4.7 µg/m³
22Good
6:00 AM
💨
PM2.5 5 µg/m³
21Good
7:00 AM
💨
PM2.5 5.5 µg/m³
23Good
8:00 AM
💨
PM2.5 6.8 µg/m³
28Good
9:00 AM
💨
PM2.5 6.9 µg/m³
29Good
Next few days
daily max · US EPA AQI
Fri
💨
Unhealthy for Sensitive Groups · UV High
108
Sat
💨
Moderate · UV High
81
Sun
💨
Moderate · UV High
93
Mon
💨
Unhealthy for Sensitive Groups · UV High
133
Tue
💨
Unhealthy · UV Moderate
156