Air quality in Central 14th Street / WMATA Northern Bus Barn
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.
US AQI · EPA
24
Good
PM2.5
2.3 µg/m³
WHO guideline 15
PM10
2.4 µg/m³
WHO guideline 45
NO₂ · O₃
8 · 50
µg/m³
Hour by hour (12h)
US EPA AQI
5:00 PM💨PM2.5 2.3 µg/m³
24Good
6:00 PM💨PM2.5 2.8 µg/m³
22Good
7:00 PM💨PM2.5 2.8 µg/m³
21Good
8:00 PM💨PM2.5 2.6 µg/m³
20Good
9:00 PM💨PM2.5 2.6 µg/m³
21Good
10:00 PM💨PM2.5 2.5 µg/m³
21Good
11:00 PM💨PM2.5 2.2 µg/m³
22Good
12:00 AM💨PM2.5 1.8 µg/m³
22Good
1:00 AM💨PM2.5 1.5 µg/m³
22Good
2:00 AM💨PM2.5 1.4 µg/m³
22Good
3:00 AM💨PM2.5 1.3 µg/m³
22Good
4:00 AM💨PM2.5 1.3 µg/m³
22Good
Next few days
daily max · US EPA AQI
Sat💨Good · UV Low
31
Sun💨Good · UV Low
34
Mon💨Moderate · UV Low
86
Tue💨Moderate · UV Low
79
Wed💨Moderate · UV Low
78
Weather map — Central 14th Street / WMATA Northern Bus Barn