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
8.6 µg/m³
WHO guideline 15
PM10
9.3 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
2:00 AM
💨
PM2.5 8.6 µg/m³
36Good
3:00 AM
💨
PM2.5 8 µg/m³
33Good
4:00 AM
💨
PM2.5 7.6 µg/m³
32Good
5:00 AM
💨
PM2.5 7.3 µg/m³
30Good
6:00 AM
💨
PM2.5 7.2 µg/m³
30Good
7:00 AM
💨
PM2.5 7.3 µg/m³
30Good
8:00 AM
💨
PM2.5 8.6 µg/m³
36Good
9:00 AM
💨
PM2.5 9.2 µg/m³
45Good
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
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