Air quality in Pleasant Hill
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
15.5 µg/m³
WHO guideline 15
PM10
21.3 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
9:00 AM
💨
PM2.5 15.5 µg/m³
58Moderate
10:00 AM
💨
PM2.5 11.8 µg/m³
49Good
11:00 AM
💨
PM2.5 9.1 µg/m³
38Good
12:00 PM
💨
PM2.5 8 µg/m³
37Good
1:00 PM
💨
PM2.5 7.4 µg/m³
38Good
2:00 PM
💨
PM2.5 7.2 µg/m³
38Good
3:00 PM
💨
PM2.5 6.8 µg/m³
38Good
4:00 PM
💨
PM2.5 6.5 µg/m³
37Good
5:00 PM
💨
PM2.5 6.5 µg/m³
35Good
6:00 PM
💨
PM2.5 6.1 µg/m³
33Good
7:00 PM
💨
PM2.5 6.2 µg/m³
30Good
8:00 PM
💨
PM2.5 6.2 µg/m³
27Good
Next few days
daily max · US EPA AQI
Wed
💨
Moderate · UV High
62
Fri
💨
Moderate · UV High
52
Sat
💨
Moderate · UV High
56