Air quality in Vallejo
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
10 µg/m³
WHO guideline 15
PM10
13 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
10:00 PM
💨
PM2.5 10 µg/m³
42Good
11:00 PM
💨
PM2.5 10.6 µg/m³
44Good
12:00 AM
💨
PM2.5 10.8 µg/m³
45Good
1:00 AM
💨
PM2.5 10.7 µg/m³
45Good
2:00 AM
💨
PM2.5 9.9 µg/m³
41Good
3:00 AM
💨
PM2.5 9.2 µg/m³
38Good
4:00 AM
💨
PM2.5 8.2 µg/m³
34Good
5:00 AM
💨
PM2.5 7.5 µg/m³
31Good
6:00 AM
💨
PM2.5 7.1 µg/m³
30Good
7:00 AM
💨
PM2.5 7 µg/m³
29Good
8:00 AM
💨
PM2.5 7 µg/m³
29Good
9:00 AM
💨
PM2.5 6.6 µg/m³
28Good
Next few days
daily max · US EPA AQI
Sun
💨
Good · UV Very high
45
Mon
💨
Good · UV Very high
45
Tue
💨
Moderate · UV Very high
53
Wed
💨
Moderate · UV Very high
55
Thu
💨
Moderate · UV High
52