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
13.4 µg/m³
WHO guideline 15
PM10
15.4 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
10:00 AM
💨
PM2.5 13.4 µg/m³
54Moderate
11:00 AM
💨
PM2.5 11.8 µg/m³
58Moderate
12:00 PM
💨
PM2.5 11.8 µg/m³
85Moderate
1:00 PM
💨
PM2.5 13 µg/m³
100Moderate
2:00 PM
💨
PM2.5 14.2 µg/m³
104Unhealthy for Sensitive Groups
3:00 PM
💨
PM2.5 14.6 µg/m³
101Unhealthy for Sensitive Groups
4:00 PM
💨
PM2.5 13.4 µg/m³
90Moderate
5:00 PM
💨
PM2.5 12.4 µg/m³
75Moderate
6:00 PM
💨
PM2.5 11.5 µg/m³
58Moderate
7:00 PM
💨
PM2.5 12 µg/m³
50Good
8:00 PM
💨
PM2.5 14 µg/m³
55Moderate
9:00 PM
💨
PM2.5 15.7 µg/m³
59Moderate
Next few days
daily max · US EPA AQI
Mon
💨
Unhealthy for Sensitive Groups · UV Very high
104
Tue
💨
Unhealthy for Sensitive Groups · UV High
117
Wed
💨
Unhealthy for Sensitive Groups · UV Very high
117
Thu
💨
Moderate · UV Very high
93
Fri
💨
Moderate · UV Very high
55