Air quality in Pleasant Hills
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
4.4 µg/m³
WHO guideline 15
PM10
4.5 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
1:00 PM
💨
PM2.5 4.4 µg/m³
61Moderate
2:00 PM
💨
PM2.5 3.8 µg/m³
58Moderate
3:00 PM
💨
PM2.5 3.4 µg/m³
61Moderate
4:00 PM
💨
PM2.5 3.4 µg/m³
65Moderate
5:00 PM
💨
PM2.5 3.6 µg/m³
58Moderate
6:00 PM
💨
PM2.5 5 µg/m³
46Good
7:00 PM
💨
PM2.5 7.6 µg/m³
37Good
8:00 PM
💨
PM2.5 8.2 µg/m³
34Good
9:00 PM
💨
PM2.5 7 µg/m³
29Good
10:00 PM
💨
PM2.5 7.1 µg/m³
30Good
11:00 PM
💨
PM2.5 6.6 µg/m³
28Good
12:00 AM
💨
PM2.5 5.9 µg/m³
27Good
Next few days
daily max · US EPA AQI
Fri
💨
Moderate · UV High
65
Sun
💨
Moderate · UV High
68
Mon
💨
Moderate · UV High
58
Tue
💨
Moderate · UV High
73