Air quality in Dayton
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
4.2 µg/m³
WHO guideline 15
PM10
5.2 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
1:00 AM
💨
PM2.5 4.2 µg/m³
18Good
2:00 AM
💨
PM2.5 4.3 µg/m³
18Good
3:00 AM
💨
PM2.5 4.5 µg/m³
19Good
4:00 AM
💨
PM2.5 5 µg/m³
21Good
5:00 AM
💨
PM2.5 5 µg/m³
21Good
6:00 AM
💨
PM2.5 6.3 µg/m³
26Good
7:00 AM
💨
PM2.5 7.8 µg/m³
33Good
8:00 AM
💨
PM2.5 5.7 µg/m³
24Good
9:00 AM
💨
PM2.5 4.5 µg/m³
26Good
10:00 AM
💨
PM2.5 4.9 µg/m³
31Good
11:00 AM
💨
PM2.5 5.5 µg/m³
34Good
12:00 PM
💨
PM2.5 5.2 µg/m³
36Good
Next few days
daily max · US EPA AQI
Fri
💨
Good · UV Very high
38
Sat
💨
Good · UV Very high
45
Sun
💨
Moderate · UV Very high
68
Mon
💨
Moderate · UV Very high
98
Tue
💨
Moderate · UV Very high
55