Air quality in Pittsburgh
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
17.6 µg/m³
WHO guideline 15
PM10
17.8 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
12:00 AM
💨
PM2.5 17.6 µg/m³
63Moderate
1:00 AM
💨
PM2.5 18.5 µg/m³
64Moderate
2:00 AM
💨
PM2.5 19.9 µg/m³
67Moderate
3:00 AM
💨
PM2.5 21.5 µg/m³
71Moderate
4:00 AM
💨
PM2.5 21.8 µg/m³
71Moderate
5:00 AM
💨
PM2.5 22 µg/m³
72Moderate
6:00 AM
💨
PM2.5 20.3 µg/m³
68Moderate
7:00 AM
💨
PM2.5 19 µg/m³
66Moderate
8:00 AM
💨
PM2.5 17 µg/m³
61Moderate
9:00 AM
💨
PM2.5 16.2 µg/m³
60Moderate
10:00 AM
💨
PM2.5 13.8 µg/m³
55Moderate
11:00 AM
💨
PM2.5 13 µg/m³
53Moderate
Next few days
daily max · US EPA AQI
Fri
💨
Moderate · UV High
83
Sat
💨
Moderate · UV High
64
Sun
💨
Moderate · UV Very high
80
Tue
💨
No data · UV High
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