Air quality in Knob Noster
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
6.2 µg/m³
WHO guideline 15
PM10
6.3 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
9:00 AM
💨
PM2.5 6.2 µg/m³
29Good
10:00 AM
💨
PM2.5 4.7 µg/m³
35Good
11:00 AM
💨
PM2.5 5 µg/m³
40Good
12:00 PM
💨
PM2.5 5.5 µg/m³
45Good
1:00 PM
💨
PM2.5 5.9 µg/m³
49Good
2:00 PM
💨
PM2.5 6.1 µg/m³
51Moderate
3:00 PM
💨
PM2.5 6.4 µg/m³
53Moderate
4:00 PM
💨
PM2.5 6.7 µg/m³
51Moderate
5:00 PM
💨
PM2.5 7.1 µg/m³
50Good
6:00 PM
💨
PM2.5 7.4 µg/m³
47Good
7:00 PM
💨
PM2.5 7.4 µg/m³
43Good
8:00 PM
💨
PM2.5 7.4 µg/m³
37Good
Next few days
daily max · US EPA AQI
Sat
💨
Moderate · UV Very high
58
Mon
💨
Good · UV Very high
45
Tue
💨
Moderate · UV High
60
Wed
💨
Good · UV Very high
36