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
12.3 µg/m³
WHO guideline 15
PM10
13.8 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
2:00 AM
💨
PM2.5 12.3 µg/m³
51Moderate
3:00 AM
💨
PM2.5 12.7 µg/m³
52Moderate
4:00 AM
💨
PM2.5 13.8 µg/m³
55Moderate
5:00 AM
💨
PM2.5 16 µg/m³
59Moderate
6:00 AM
💨
PM2.5 21.1 µg/m³
70Moderate
7:00 AM
💨
PM2.5 26.5 µg/m³
81Moderate
8:00 AM
💨
PM2.5 31.2 µg/m³
91Moderate
9:00 AM
💨
PM2.5 35.5 µg/m³
101Unhealthy for Sensitive Groups
10:00 AM
💨
PM2.5 31.4 µg/m³
92Moderate
11:00 AM
💨
PM2.5 22.9 µg/m³
74Moderate
12:00 PM
💨
PM2.5 18.5 µg/m³
64Moderate
1:00 PM
💨
PM2.5 15.5 µg/m³
58Moderate
Next few days
daily max · US EPA AQI
Sun
💨
Moderate · UV Moderate
54
Mon
💨
Unhealthy for Sensitive Groups · UV Moderate
101
Tue
💨
Unhealthy · UV Moderate
162
Wed
💨
Good · UV Moderate
35
Thu
💨
Moderate · UV Moderate
51