Air quality in Arnold
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
7.4 µg/m³
WHO guideline 15
PM10
7.7 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
12:00 AM
💨
PM2.5 7.4 µg/m³
31Good
1:00 AM
💨
PM2.5 6.9 µg/m³
29Good
2:00 AM
💨
PM2.5 6.6 µg/m³
28Good
3:00 AM
💨
PM2.5 6.2 µg/m³
26Good
4:00 AM
💨
PM2.5 5.6 µg/m³
23Good
5:00 AM
💨
PM2.5 4.9 µg/m³
20Good
6:00 AM
💨
PM2.5 4.4 µg/m³
18Good
7:00 AM
💨
PM2.5 3.9 µg/m³
17Good
8:00 AM
💨
PM2.5 3.3 µg/m³
24Good
9:00 AM
💨
PM2.5 3.6 µg/m³
34Good
10:00 AM
💨
PM2.5 4.2 µg/m³
43Good
11:00 AM
💨
PM2.5 5.1 µg/m³
51Moderate
Next few days
daily max · US EPA AQI
Sun
💨
Moderate · UV High
76
Mon
💨
Moderate · UV Very high
100
Tue
💨
Unhealthy · UV Very high
190
Wed
💨
Unhealthy for Sensitive Groups · UV Very high
128
Thu
💨
Good · UV Moderate
32