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
6.6 µg/m³
WHO guideline 15
PM10
6.9 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
9:00 PM
💨
PM2.5 6.6 µg/m³
32Good
10:00 PM
💨
PM2.5 6.8 µg/m³
29Good
11:00 PM
💨
PM2.5 7.1 µg/m³
30Good
12:00 AM
💨
PM2.5 7.4 µg/m³
31Good
1:00 AM
💨
PM2.5 8 µg/m³
33Good
2:00 AM
💨
PM2.5 8.7 µg/m³
36Good
3:00 AM
💨
PM2.5 9.2 µg/m³
38Good
4:00 AM
💨
PM2.5 9.1 µg/m³
38Good
5:00 AM
💨
PM2.5 8.8 µg/m³
37Good
6:00 AM
💨
PM2.5 8.8 µg/m³
37Good
7:00 AM
💨
PM2.5 9 µg/m³
38Good
8:00 AM
💨
PM2.5 9 µg/m³
38Good
Next few days
daily max · US EPA AQI
Fri
💨
Moderate · UV Very high
61
Sat
💨
Moderate · UV Very high
83
Sun
💨
Moderate · UV Very high
95
Mon
💨
Moderate · UV Very high
91
Tue
💨
Moderate · UV Very high
68