Air quality in Granite Falls
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
10.7 µg/m³
WHO guideline 15
PM10
11.4 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
5:00 AM
💨
PM2.5 10.7 µg/m³
45Good
6:00 AM
💨
PM2.5 9.6 µg/m³
40Good
7:00 AM
💨
PM2.5 8.1 µg/m³
34Good
8:00 AM
💨
PM2.5 7.5 µg/m³
31Good
9:00 AM
💨
PM2.5 6.2 µg/m³
26Good
10:00 AM
💨
PM2.5 3.8 µg/m³
22Good
11:00 AM
💨
PM2.5 3.4 µg/m³
25Good
12:00 PM
💨
PM2.5 3.6 µg/m³
27Good
1:00 PM
💨
PM2.5 3.4 µg/m³
29Good
2:00 PM
💨
PM2.5 3.3 µg/m³
30Good
3:00 PM
💨
PM2.5 3.3 µg/m³
32Good
4:00 PM
💨
PM2.5 3.6 µg/m³
33Good
Next few days
daily max · US EPA AQI
Sun
💨
Moderate · UV Moderate
54
Mon
💨
Unhealthy for Sensitive Groups · UV High
113
Tue
💨
Very Unhealthy · UV Moderate
282
Wed
💨
Unhealthy · UV Moderate
156
Thu
💨
Moderate · UV High
68