Air quality in Santa Cruz
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
11 µg/m³
WHO guideline 15
PM10
14.1 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
6:00 AM
💨
PM2.5 11 µg/m³
46Good
7:00 AM
💨
PM2.5 11.2 µg/m³
47Good
8:00 AM
💨
PM2.5 11 µg/m³
46Good
9:00 AM
💨
PM2.5 9.8 µg/m³
41Good
10:00 AM
💨
PM2.5 8.9 µg/m³
37Good
11:00 AM
💨
PM2.5 7.9 µg/m³
35Good
12:00 PM
💨
PM2.5 7.5 µg/m³
38Good
1:00 PM
💨
PM2.5 7 µg/m³
40Good
2:00 PM
💨
PM2.5 6.7 µg/m³
41Good
3:00 PM
💨
PM2.5 6.3 µg/m³
41Good
4:00 PM
💨
PM2.5 6.1 µg/m³
40Good
5:00 PM
💨
PM2.5 6 µg/m³
38Good
Next few days
daily max · US EPA AQI
Mon
💨
Moderate · UV High
68
Tue
💨
Moderate · UV High
58