Air quality in Sylmar
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
18.2 µg/m³
WHO guideline 15
PM10
20.9 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
10:00 PM
💨
PM2.5 18.2 µg/m³
64Moderate
11:00 PM
💨
PM2.5 20.3 µg/m³
68Moderate
12:00 AM
💨
PM2.5 22.2 µg/m³
72Moderate
1:00 AM
💨
PM2.5 24 µg/m³
76Moderate
2:00 AM
💨
PM2.5 25.3 µg/m³
79Moderate
3:00 AM
💨
PM2.5 26.3 µg/m³
81Moderate
4:00 AM
💨
PM2.5 27.1 µg/m³
83Moderate
5:00 AM
💨
PM2.5 27.4 µg/m³
83Moderate
6:00 AM
💨
PM2.5 27.4 µg/m³
83Moderate
7:00 AM
💨
PM2.5 27.2 µg/m³
83Moderate
8:00 AM
💨
PM2.5 23.8 µg/m³
76Moderate
9:00 AM
💨
PM2.5 16.6 µg/m³
60Moderate
Next few days
daily max · US EPA AQI
Fri
💨
Moderate · UV Very high
81
Sat
💨
Moderate · UV Very high
83
Sun
💨
Unhealthy for Sensitive Groups · UV Very high
120
Mon
💨
Unhealthy for Sensitive Groups · UV Very high
102
Tue
💨
Unhealthy for Sensitive Groups · UV Very high
103