Air quality in Crystal City
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
10.9 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
10:00 AM
💨
PM2.5 9.7 µg/m³
61Moderate
11:00 AM
💨
PM2.5 9.3 µg/m³
75Moderate
12:00 PM
💨
PM2.5 8.5 µg/m³
78Moderate
1:00 PM
💨
PM2.5 8.2 µg/m³
78Moderate
2:00 PM
💨
PM2.5 8.2 µg/m³
80Moderate
3:00 PM
💨
PM2.5 8.2 µg/m³
78Moderate
4:00 PM
💨
PM2.5 8.4 µg/m³
71Moderate
5:00 PM
💨
PM2.5 8.6 µg/m³
56Moderate
6:00 PM
💨
PM2.5 8.9 µg/m³
47Good
7:00 PM
💨
PM2.5 10.9 µg/m³
45Good
8:00 PM
💨
PM2.5 14.1 µg/m³
55Moderate
9:00 PM
💨
PM2.5 15.3 µg/m³
58Moderate
Next few days
daily max · US EPA AQI
Fri
💨
Moderate · UV Very high
80
Sat
💨
Moderate · UV High
98
Sun
💨
Moderate · UV High
90
Mon
💨
Moderate · UV Very high
95
Tue
💨
Good · UV Very high
39