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 µg/m³
WHO guideline 15
PM10
3.2 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
5:00 PM
💨
PM2.5 2 µg/m³
55Moderate
6:00 PM
💨
PM2.5 1.8 µg/m³
51Moderate
7:00 PM
💨
PM2.5 1.6 µg/m³
49Good
8:00 PM
💨
PM2.5 1.5 µg/m³
45Good
9:00 PM
💨
PM2.5 1.5 µg/m³
42Good
10:00 PM
💨
PM2.5 1.6 µg/m³
40Good
11:00 PM
💨
PM2.5 1.5 µg/m³
39Good
12:00 AM
💨
PM2.5 1.6 µg/m³
37Good
1:00 AM
💨
PM2.5 1.6 µg/m³
34Good
2:00 AM
💨
PM2.5 1.6 µg/m³
31Good
3:00 AM
💨
PM2.5 1.5 µg/m³
28Good
4:00 AM
💨
PM2.5 1.6 µg/m³
25Good
Next few days
daily max · US EPA AQI
Wed
💨
Moderate · UV Very high
55
Thu
💨
Good · UV Very high
50
Fri
💨
Good · UV Very high
40
Sat
💨
Good · UV Very high
43
Sun
💨
Good · UV Moderate
18