Air quality in Richfield
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
2.8 µg/m³
WHO guideline 15
PM10
4.6 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
1:00 AM
💨
PM2.5 2.8 µg/m³
24Good
2:00 AM
💨
PM2.5 2.9 µg/m³
24Good
3:00 AM
💨
PM2.5 3.1 µg/m³
24Good
4:00 AM
💨
PM2.5 3.2 µg/m³
22Good
5:00 AM
💨
PM2.5 3.3 µg/m³
20Good
6:00 AM
💨
PM2.5 3.4 µg/m³
21Good
7:00 AM
💨
PM2.5 3.4 µg/m³
26Good
8:00 AM
💨
PM2.5 3.4 µg/m³
34Good
9:00 AM
💨
PM2.5 3.8 µg/m³
41Good
10:00 AM
💨
PM2.5 5 µg/m³
46Good
11:00 AM
💨
PM2.5 4.5 µg/m³
53Moderate
12:00 PM
💨
PM2.5 3.9 µg/m³
65Moderate
Next few days
daily max · US EPA AQI
Mon
💨
Moderate · UV High
81
Tue
💨
Moderate · UV Very high
70
Wed
💨
Moderate · UV Very high
71
Thu
💨
Moderate · UV Very high
66
Fri
💨
Moderate · UV High
63