Air quality in Crystal
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
6.4 µg/m³
WHO guideline 15
PM10
6.5 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
4:00 PM
💨
PM2.5 6.4 µg/m³
40Good
5:00 PM
💨
PM2.5 6.7 µg/m³
40Good
6:00 PM
💨
PM2.5 7.2 µg/m³
39Good
7:00 PM
💨
PM2.5 8 µg/m³
37Good
8:00 PM
💨
PM2.5 8.5 µg/m³
35Good
9:00 PM
💨
PM2.5 9.4 µg/m³
39Good
10:00 PM
💨
PM2.5 9.9 µg/m³
41Good
11:00 PM
💨
PM2.5 10 µg/m³
42Good
12:00 AM
💨
PM2.5 9.7 µg/m³
40Good
1:00 AM
💨
PM2.5 9 µg/m³
38Good
2:00 AM
💨
PM2.5 8.4 µg/m³
35Good
3:00 AM
💨
PM2.5 8.4 µg/m³
35Good
Next few days
daily max · US EPA AQI
Thu
💨
Moderate · UV High
64
Fri
💨
Moderate · UV High
83
Sat
💨
Moderate · UV High
58
Sun
💨
Good · UV Very high
38