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
2.9 µg/m³
WHO guideline 15
PM10
3.1 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
3:00 PM
💨
PM2.5 2.9 µg/m³
46Good
4:00 PM
💨
PM2.5 2.8 µg/m³
44Good
5:00 PM
💨
PM2.5 3.1 µg/m³
42Good
6:00 PM
💨
PM2.5 3.4 µg/m³
37Good
7:00 PM
💨
PM2.5 4.2 µg/m³
32Good
8:00 PM
💨
PM2.5 5.1 µg/m³
27Good
9:00 PM
💨
PM2.5 5.6 µg/m³
25Good
10:00 PM
💨
PM2.5 5.3 µg/m³
23Good
11:00 PM
💨
PM2.5 4.8 µg/m³
22Good
12:00 AM
💨
PM2.5 4.5 µg/m³
21Good
1:00 AM
💨
PM2.5 4 µg/m³
20Good
2:00 AM
💨
PM2.5 3.7 µg/m³
19Good
Next few days
daily max · US EPA AQI
Sun
💨
Moderate · UV High
56
Mon
💨
Moderate · UV High
62
Tue
💨
Unhealthy for Sensitive Groups · UV High
104
Wed
💨
Good · UV Very high
39