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
11.8 µg/m³
WHO guideline 15
PM10
12.6 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
1:00 PM
💨
PM2.5 11.8 µg/m³
83Moderate
2:00 PM
💨
PM2.5 12 µg/m³
88Moderate
3:00 PM
💨
PM2.5 12.2 µg/m³
91Moderate
4:00 PM
💨
PM2.5 12.4 µg/m³
90Moderate
5:00 PM
💨
PM2.5 12.3 µg/m³
83Moderate
6:00 PM
💨
PM2.5 12.3 µg/m³
66Moderate
7:00 PM
💨
PM2.5 13 µg/m³
53Moderate
8:00 PM
💨
PM2.5 17.1 µg/m³
62Moderate
9:00 PM
💨
PM2.5 22.2 µg/m³
72Moderate
10:00 PM
💨
PM2.5 22.8 µg/m³
74Moderate
11:00 PM
💨
PM2.5 21.3 µg/m³
70Moderate
12:00 AM
💨
PM2.5 20 µg/m³
68Moderate
Next few days
daily max · US EPA AQI
Mon
💨
Moderate · UV Moderate
91
Tue
💨
Moderate · UV High
99
Wed
💨
Unhealthy for Sensitive Groups · UV High
113
Thu
💨
Moderate · UV High
75