Air quality in Greendale
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
6.4 µg/m³
WHO guideline 15
PM10
8.5 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
10:00 PM
💨
PM2.5 6.4 µg/m³
45Good
11:00 PM
💨
PM2.5 6.7 µg/m³
44Good
12:00 AM
💨
PM2.5 7 µg/m³
43Good
1:00 AM
💨
PM2.5 7.4 µg/m³
41Good
2:00 AM
💨
PM2.5 7.8 µg/m³
38Good
3:00 AM
💨
PM2.5 8 µg/m³
36Good
4:00 AM
💨
PM2.5 7.8 µg/m³
34Good
5:00 AM
💨
PM2.5 8.7 µg/m³
36Good
6:00 AM
💨
PM2.5 9.4 µg/m³
39Good
7:00 AM
💨
PM2.5 10.5 µg/m³
44Good
8:00 AM
💨
PM2.5 9.8 µg/m³
41Good
9:00 AM
💨
PM2.5 8.3 µg/m³
35Good
Next few days
daily max · US EPA AQI
Fri
💨
Moderate · UV High
63
Mon
💨
Moderate · UV Moderate
56