Air quality in Fort Washington
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
12 µg/m³
WHO guideline 15
PM10
12.1 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
2:00 AM
💨
PM2.5 12 µg/m³
50Good
3:00 AM
💨
PM2.5 13.4 µg/m³
54Moderate
4:00 AM
💨
PM2.5 14.1 µg/m³
55Moderate
5:00 AM
💨
PM2.5 12 µg/m³
50Good
6:00 AM
💨
PM2.5 9.8 µg/m³
41Good
7:00 AM
💨
PM2.5 7.8 µg/m³
33Good
8:00 AM
💨
PM2.5 6.9 µg/m³
29Good
9:00 AM
💨
PM2.5 6 µg/m³
26Good
10:00 AM
💨
PM2.5 5.6 µg/m³
35Good
11:00 AM
💨
PM2.5 4.6 µg/m³
42Good
12:00 PM
💨
PM2.5 4.2 µg/m³
45Good
1:00 PM
💨
PM2.5 4 µg/m³
47Good
Next few days
daily max · US EPA AQI
Sat
💨
Moderate · UV High
55
Sun
💨
Moderate · UV High
67
Mon
💨
Moderate · UV High
91
Tue
💨
Unhealthy for Sensitive Groups · UV High
124