Air quality in Northridge
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.
US AQI · EPA
103
Unhealthy for Sensitive Groups
PM2.5
36.4 µg/m³
WHO guideline 15
PM10
41.3 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
2:00 AM
💨
PM2.5 36.4 µg/m³
103Unhealthy for Sensitive Groups
3:00 AM
💨
PM2.5 38 µg/m³
107Unhealthy for Sensitive Groups
4:00 AM
💨
PM2.5 39.3 µg/m³
110Unhealthy for Sensitive Groups
5:00 AM
💨
PM2.5 40.5 µg/m³
113Unhealthy for Sensitive Groups
6:00 AM
💨
PM2.5 41.4 µg/m³
116Unhealthy for Sensitive Groups
7:00 AM
💨
PM2.5 42.3 µg/m³
118Unhealthy for Sensitive Groups
8:00 AM
💨
PM2.5 39.6 µg/m³
111Unhealthy for Sensitive Groups
9:00 AM
💨
PM2.5 32.7 µg/m³
94Moderate
10:00 AM
💨
PM2.5 29.2 µg/m³
87Moderate
11:00 AM
💨
PM2.5 27.4 µg/m³
83Moderate
12:00 PM
💨
PM2.5 26.1 µg/m³
96Moderate
1:00 PM
💨
PM2.5 27.8 µg/m³
110Unhealthy for Sensitive Groups
Next few days
daily max · US EPA AQI
Sat
💨
Moderate · UV Very high
98
Sun
💨
Unhealthy for Sensitive Groups · UV Very high
124
Mon
💨
Unhealthy for Sensitive Groups · UV Very high
119
Tue
💨
Unhealthy for Sensitive Groups · UV Very high
106
Wed
💨
Unhealthy for Sensitive Groups · UV Very high
124