Air quality in Leesburg
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
9.7 µg/m³
WHO guideline 15
PM10
10.4 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
5:00 PM
💨
PM2.5 9.7 µg/m³
70Moderate
6:00 PM
💨
PM2.5 10.7 µg/m³
58Moderate
7:00 PM
💨
PM2.5 8.4 µg/m³
48Good
8:00 PM
💨
PM2.5 6.6 µg/m³
43Good
9:00 PM
💨
PM2.5 6.2 µg/m³
39Good
10:00 PM
💨
PM2.5 6.1 µg/m³
35Good
11:00 PM
💨
PM2.5 6.1 µg/m³
32Good
12:00 AM
💨
PM2.5 6 µg/m³
29Good
1:00 AM
💨
PM2.5 5.8 µg/m³
27Good
2:00 AM
💨
PM2.5 5.7 µg/m³
25Good
3:00 AM
💨
PM2.5 5.4 µg/m³
23Good
4:00 AM
💨
PM2.5 5.2 µg/m³
22Good
Next few days
daily max · US EPA AQI
Tue
💨
Moderate · UV Very high
78
Wed
💨
Moderate · UV Very high
71
Thu
💨
Moderate · UV Low
53
Fri
💨
Good · UV Very high
49
Sat
💨
Good · UV Very high
22