Air quality in Fairfax Station
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
10.4 µg/m³
WHO guideline 15
PM10
10.6 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
2:00 AM
💨
PM2.5 10.4 µg/m³
43Good
3:00 AM
💨
PM2.5 11.5 µg/m³
48Good
4:00 AM
💨
PM2.5 12.8 µg/m³
52Moderate
5:00 AM
💨
PM2.5 13.7 µg/m³
54Moderate
6:00 AM
💨
PM2.5 15.1 µg/m³
57Moderate
7:00 AM
💨
PM2.5 15.8 µg/m³
59Moderate
8:00 AM
💨
PM2.5 14.5 µg/m³
56Moderate
9:00 AM
💨
PM2.5 14.8 µg/m³
57Moderate
10:00 AM
💨
PM2.5 12.3 µg/m³
51Moderate
11:00 AM
💨
PM2.5 9.4 µg/m³
48Good
12:00 PM
💨
PM2.5 7.7 µg/m³
56Moderate
1:00 PM
💨
PM2.5 7.5 µg/m³
50Good
Next few days
daily max · US EPA AQI
Mon
💨
Moderate · UV High
59
Tue
💨
Moderate · UV High
92
Wed
💨
Unhealthy for Sensitive Groups · UV Very high
128
Thu
💨
Moderate · UV High
81
Fri
💨
Moderate · UV Very high
58