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
5.6 µg/m³
WHO guideline 15
PM10
5.6 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
7:00 AM
💨
PM2.5 5.6 µg/m³
23Good
8:00 AM
💨
PM2.5 6.3 µg/m³
31Good
9:00 AM
💨
PM2.5 7 µg/m³
45Good
10:00 AM
💨
PM2.5 7.4 µg/m³
70Moderate
11:00 AM
💨
PM2.5 7.6 µg/m³
88Moderate
12:00 PM
💨
PM2.5 7.2 µg/m³
98Moderate
1:00 PM
💨
PM2.5 7.5 µg/m³
103Unhealthy for Sensitive Groups
2:00 PM
💨
PM2.5 8 µg/m³
111Unhealthy for Sensitive Groups
3:00 PM
💨
PM2.5 8.5 µg/m³
119Unhealthy for Sensitive Groups
4:00 PM
💨
PM2.5 8.9 µg/m³
119Unhealthy for Sensitive Groups
5:00 PM
💨
PM2.5 9.1 µg/m³
111Unhealthy for Sensitive Groups
6:00 PM
💨
PM2.5 9.2 µg/m³
100Moderate
Next few days
daily max · US EPA AQI
Sat
💨
Unhealthy for Sensitive Groups · UV Very high
119
Sun
💨
Unhealthy for Sensitive Groups · UV Very high
135
Mon
💨
Moderate · UV Very high
91
Tue
💨
Moderate · UV Very high
100
Wed
💨
Moderate · UV Very high
65