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
8.4 µg/m³
WHO guideline 15
PM10
12.2 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
12:00 PM
💨
PM2.5 8.4 µg/m³
35Good
1:00 PM
💨
PM2.5 8.9 µg/m³
37Good
2:00 PM
💨
PM2.5 9.5 µg/m³
40Good
3:00 PM
💨
PM2.5 9.5 µg/m³
40Good
4:00 PM
💨
PM2.5 8.9 µg/m³
37Good
5:00 PM
💨
PM2.5 8.2 µg/m³
34Good
6:00 PM
💨
PM2.5 7.8 µg/m³
33Good
7:00 PM
💨
PM2.5 7.3 µg/m³
31Good
8:00 PM
💨
PM2.5 6.7 µg/m³
30Good
9:00 PM
💨
PM2.5 6.4 µg/m³
29Good
10:00 PM
💨
PM2.5 6.3 µg/m³
28Good
11:00 PM
💨
PM2.5 6.3 µg/m³
27Good
Next few days
daily max · US EPA AQI
Wed
💨
Moderate · UV High
52
Fri
💨
Moderate · UV Very high
54