Air quality in Guerneville
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
9.9 µg/m³
WHO guideline 15
PM10
15.1 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
5:00 PM
💨
PM2.5 9.9 µg/m³
41Good
6:00 PM
💨
PM2.5 10.8 µg/m³
45Good
7:00 PM
💨
PM2.5 11.6 µg/m³
48Good
8:00 PM
💨
PM2.5 10.7 µg/m³
45Good
9:00 PM
💨
PM2.5 9.9 µg/m³
41Good
10:00 PM
💨
PM2.5 10 µg/m³
42Good
11:00 PM
💨
PM2.5 10.9 µg/m³
45Good
12:00 AM
💨
PM2.5 11.6 µg/m³
48Good
1:00 AM
💨
PM2.5 11.4 µg/m³
48Good
2:00 AM
💨
PM2.5 10.5 µg/m³
44Good
3:00 AM
💨
PM2.5 11.7 µg/m³
49Good
4:00 AM
💨
PM2.5 12.3 µg/m³
51Moderate
Next few days
daily max · US EPA AQI
Wed
💨
Moderate · UV High
51
Thu
💨
Good · UV Moderate
49