Air quality in Indianapolis
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
8.4 µg/m³
WHO guideline 15
PM10
8.7 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
10:00 PM
💨
PM2.5 8.4 µg/m³
35Good
11:00 PM
💨
PM2.5 8.5 µg/m³
35Good
12:00 AM
💨
PM2.5 7 µg/m³
29Good
1:00 AM
💨
PM2.5 5.6 µg/m³
27Good
2:00 AM
💨
PM2.5 5 µg/m³
29Good
3:00 AM
💨
PM2.5 5.3 µg/m³
30Good
4:00 AM
💨
PM2.5 5 µg/m³
30Good
5:00 AM
💨
PM2.5 3.8 µg/m³
29Good
6:00 AM
💨
PM2.5 3.6 µg/m³
27Good
7:00 AM
💨
PM2.5 3.3 µg/m³
24Good
8:00 AM
💨
PM2.5 3.4 µg/m³
23Good
9:00 AM
💨
PM2.5 3.9 µg/m³
25Good
Next few days
daily max · US EPA AQI
Thu
💨
Moderate · UV Very high
75
Fri
💨
Moderate · UV Moderate
71
Sat
💨
Moderate · UV Very high
71
Sun
💨
Moderate · UV Very high
80
Mon
💨
Good · UV Very high
28