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 µg/m³
WHO guideline 15
PM10
11.3 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
7:00 AM
💨
PM2.5 9 µg/m³
38Good
8:00 AM
💨
PM2.5 10.1 µg/m³
42Good
9:00 AM
💨
PM2.5 10.7 µg/m³
45Good
10:00 AM
💨
PM2.5 10.4 µg/m³
53Moderate
11:00 AM
💨
PM2.5 9.6 µg/m³
76Moderate
12:00 PM
💨
PM2.5 9 µg/m³
86Moderate
1:00 PM
💨
PM2.5 8.9 µg/m³
88Moderate
2:00 PM
💨
PM2.5 9.4 µg/m³
90Moderate
3:00 PM
💨
PM2.5 9.6 µg/m³
91Moderate
4:00 PM
💨
PM2.5 10.4 µg/m³
93Moderate
5:00 PM
💨
PM2.5 11.1 µg/m³
88Moderate
6:00 PM
💨
PM2.5 12 µg/m³
75Moderate
Next few days
daily max · US EPA AQI
Thu
💨
Moderate · UV High
93
Fri
💨
Moderate · UV High
81
Sat
💨
Moderate · UV Low
61
Sun
💨
Moderate · UV High
75
Mon
💨
Moderate · UV High
75