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
27.5 µg/m³
WHO guideline 15
PM10
28.6 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
12:00 AM
💨
PM2.5 27.5 µg/m³
83Moderate
1:00 AM
💨
PM2.5 28.5 µg/m³
85Moderate
2:00 AM
💨
PM2.5 29.2 µg/m³
87Moderate
3:00 AM
💨
PM2.5 29.9 µg/m³
88Moderate
4:00 AM
💨
PM2.5 31.3 µg/m³
91Moderate
5:00 AM
💨
PM2.5 37.4 µg/m³
106Unhealthy for Sensitive Groups
6:00 AM
💨
PM2.5 37.1 µg/m³
105Unhealthy for Sensitive Groups
7:00 AM
💨
PM2.5 36.1 µg/m³
102Unhealthy for Sensitive Groups
8:00 AM
💨
PM2.5 32.7 µg/m³
94Moderate
9:00 AM
💨
PM2.5 32.1 µg/m³
93Moderate
10:00 AM
💨
PM2.5 26.5 µg/m³
81Moderate
11:00 AM
💨
PM2.5 22.5 µg/m³
73Moderate
Next few days
daily max · US EPA AQI
Sat
💨
Unhealthy for Sensitive Groups · UV Moderate
130
Sun
💨
Unhealthy for Sensitive Groups · UV Moderate
106
Mon
💨
Unhealthy for Sensitive Groups · UV Moderate
116
Tue
💨
Unhealthy for Sensitive Groups · UV High
116
Wed
💨
Moderate · UV High
92