Air quality in Marion
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
6.8 µg/m³
WHO guideline 15
PM10
7 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
9:00 AM
💨
PM2.5 6.8 µg/m³
30Good
10:00 AM
💨
PM2.5 7.8 µg/m³
37Good
11:00 AM
💨
PM2.5 7.8 µg/m³
42Good
12:00 PM
💨
PM2.5 7.9 µg/m³
46Good
1:00 PM
💨
PM2.5 8 µg/m³
49Good
2:00 PM
💨
PM2.5 8 µg/m³
51Moderate
3:00 PM
💨
PM2.5 7.8 µg/m³
55Moderate
4:00 PM
💨
PM2.5 7.6 µg/m³
51Moderate
5:00 PM
💨
PM2.5 7.4 µg/m³
47Good
6:00 PM
💨
PM2.5 7.5 µg/m³
42Good
7:00 PM
💨
PM2.5 8.6 µg/m³
36Good
8:00 PM
💨
PM2.5 9.5 µg/m³
40Good
Next few days
daily max · US EPA AQI
Mon
💨
Moderate · UV Very high
55
Tue
💨
Moderate · UV Very high
80
Wed
💨
Unhealthy for Sensitive Groups · UV High
108
Thu
💨
Moderate · UV Very high
65
Fri
💨
Good · UV Very high
32