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
4.2 µg/m³
WHO guideline 15
PM10
5.1 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
4:00 AM
💨
PM2.5 4.2 µg/m³
18Good
5:00 AM
💨
PM2.5 4.3 µg/m³
18Good
6:00 AM
💨
PM2.5 4.4 µg/m³
18Good
7:00 AM
💨
PM2.5 4.3 µg/m³
18Good
8:00 AM
💨
PM2.5 4.4 µg/m³
18Good
9:00 AM
💨
PM2.5 4.5 µg/m³
19Good
10:00 AM
💨
PM2.5 4.2 µg/m³
23Good
11:00 AM
💨
PM2.5 3.6 µg/m³
27Good
12:00 PM
💨
PM2.5 3.2 µg/m³
28Good
1:00 PM
💨
PM2.5 3 µg/m³
28Good
2:00 PM
💨
PM2.5 2.9 µg/m³
28Good
3:00 PM
💨
PM2.5 3.1 µg/m³
29Good
Next few days
daily max · US EPA AQI
Thu
💨
Good · UV Very high
29
Fri
💨
Good · UV Very high
33
Sat
💨
Good · UV Very high
43
Sun
💨
Unhealthy for Sensitive Groups · UV Very high
101
Mon
💨
Good · UV Very high
39