Air quality in Holden
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
2.3 µg/m³
WHO guideline 15
PM10
3.2 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
5:00 AM
💨
PM2.5 2.3 µg/m³
34Good
6:00 AM
💨
PM2.5 2.8 µg/m³
34Good
7:00 AM
💨
PM2.5 3.1 µg/m³
35Good
8:00 AM
💨
PM2.5 3.9 µg/m³
37Good
9:00 AM
💨
PM2.5 4.2 µg/m³
40Good
10:00 AM
💨
PM2.5 4.1 µg/m³
45Good
11:00 AM
💨
PM2.5 4.1 µg/m³
48Good
12:00 PM
💨
PM2.5 4.1 µg/m³
48Good
1:00 PM
💨
PM2.5 3.9 µg/m³
46Good
2:00 PM
💨
PM2.5 3.9 µg/m³
45Good
3:00 PM
💨
PM2.5 4.1 µg/m³
45Good
4:00 PM
💨
PM2.5 4.5 µg/m³
46Good
Next few days
daily max · US EPA AQI
Mon
💨
Moderate · UV High
70
Tue
💨
Moderate · UV High
53