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
9.4 µg/m³
WHO guideline 15
PM10
10 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
4:00 PM
💨
PM2.5 9.4 µg/m³
58Moderate
5:00 PM
💨
PM2.5 9.3 µg/m³
56Moderate
6:00 PM
💨
PM2.5 9.3 µg/m³
50Good
7:00 PM
💨
PM2.5 9.3 µg/m³
46Good
8:00 PM
💨
PM2.5 9.7 µg/m³
43Good
9:00 PM
💨
PM2.5 10.4 µg/m³
43Good
10:00 PM
💨
PM2.5 11 µg/m³
46Good
11:00 PM
💨
PM2.5 11.6 µg/m³
48Good
12:00 AM
💨
PM2.5 12.2 µg/m³
51Moderate
1:00 AM
💨
PM2.5 12.7 µg/m³
52Moderate
2:00 AM
💨
PM2.5 13 µg/m³
53Moderate
3:00 AM
💨
PM2.5 13 µg/m³
53Moderate
Next few days
daily max · US EPA AQI
Wed
💨
Moderate · UV Very high
58
Thu
💨
Moderate · UV Very high
60
Fri
💨
Moderate · UV Very high
56
Sat
💨
Moderate · UV Very high
86
Sun
💨
Moderate · UV High
51