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
4.8 µg/m³
WHO guideline 15
PM10
6.8 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
10:00 PM
💨
PM2.5 4.8 µg/m³
20Good
11:00 PM
💨
PM2.5 4.5 µg/m³
19Good
12:00 AM
💨
PM2.5 4.3 µg/m³
18Good
1:00 AM
💨
PM2.5 4 µg/m³
17Good
2:00 AM
💨
PM2.5 3.8 µg/m³
16Good
3:00 AM
💨
PM2.5 3.7 µg/m³
15Good
4:00 AM
💨
PM2.5 3.6 µg/m³
15Good
5:00 AM
💨
PM2.5 3.4 µg/m³
15Good
6:00 AM
💨
PM2.5 3.4 µg/m³
16Good
7:00 AM
💨
PM2.5 3.4 µg/m³
17Good
8:00 AM
💨
PM2.5 3.6 µg/m³
17Good
9:00 AM
💨
PM2.5 4 µg/m³
17Good
Next few days
daily max · US EPA AQI
Thu
💨
Good · UV Very high
32
Mon
💨
Moderate · UV High
52