Air quality in Silver Firs
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
3.7 µg/m³
WHO guideline 15
PM10
4.6 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
3:00 PM
💨
PM2.5 3.7 µg/m³
32Good
4:00 PM
💨
PM2.5 3.2 µg/m³
29Good
5:00 PM
💨
PM2.5 3.3 µg/m³
27Good
6:00 PM
💨
PM2.5 3.7 µg/m³
28Good
7:00 PM
💨
PM2.5 3.8 µg/m³
29Good
8:00 PM
💨
PM2.5 3.1 µg/m³
30Good
9:00 PM
💨
PM2.5 3.4 µg/m³
30Good
10:00 PM
💨
PM2.5 3.9 µg/m³
30Good
11:00 PM
💨
PM2.5 4.5 µg/m³
30Good
12:00 AM
💨
PM2.5 4.5 µg/m³
29Good
1:00 AM
💨
PM2.5 4.7 µg/m³
29Good
2:00 AM
💨
PM2.5 4.7 µg/m³
28Good
Next few days
daily max · US EPA AQI
Wed
💨
Good · UV Moderate
34
Thu
💨
Good · UV Moderate
43
Fri
💨
Moderate · UV Moderate
63
Sat
💨
Unhealthy for Sensitive Groups · UV Moderate
124
Sun
💨
Unhealthy · UV High
167