Stay updated with real-time air quality in San Fernando, California featuring accurate data on AQI, PM2.5, PM10, O3, NO2, SO2, and CO levels. Use our interactive map and detailed forecasts to monitor pollution trends, manage health risks, and plan your daily activities with confidence.
Live AQI (Air Quality Index)
33
Good
San Fernando, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
5.50 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
22.91 μg/m³
0
55
155
255
425
605+
23.16 ppb
0
55
71
86
201
201+
0.54 ppb
0
36
76
186
605
1005+
11.69 ppb
0
54
101
361
1250
2050+
0.29 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
High
San Fernando, California
San Fernando, California
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AQI 38
Good
7.26μg/m³
PM2.5
31.70μg/m³
PM10
20.13ppb
O3
0.54ppb
SO2
6.92ppb
NO2
0.28ppm
CO
AQI 23
Good
3.45μg/m³
PM2.5
13.07μg/m³
PM10
24.79ppb
O3
0.57ppb
SO2
12.21ppb
NO2
0.30ppm
CO
AQI 38
Good
6.60μg/m³
PM2.5
26.97μg/m³
PM10
22.09ppb
O3
0.54ppb
SO2
8.56ppb
NO2
0.28ppm
CO
AQI 38
Good
7.16μg/m³
PM2.5
26.75μg/m³
PM10
32.92ppb
O3
0.59ppb
SO2
9.39ppb
NO2
0.30ppm
CO
AQI 22
Good
4.48μg/m³
PM2.5
15.92μg/m³
PM10
22.72ppb
O3
0.61ppb
SO2
15.00ppb
NO2
0.30ppm
CO
AQI 33
Good
5.65μg/m³
PM2.5
17.18μg/m³
PM10
22.54ppb
O3
0.67ppb
SO2
14.63ppb
NO2
0.30ppm
CO
Air quality and pollutant data for California, USA are sourced from ground-based monitors and satellites, adhering to US EPA standards. Machine learning and advanced algorithms enhance the data by incorporating local variables like traffic and population density, ensuring high accuracy and dependability.
Source: Ambee Data Sources
The air quality information for San Fernando, California is updated every hour for accuracy.
In the past 24 hours, the air quality in San Fernando, California was at its worst at 12:00:00 on 2026-04-24.
In the last 24 hours, the best air quality in San Fernando, California was observed at 11:00:00 on 2026-04-23.
As of now, the AQI in San Fernando, California is 33, indicating Good conditions.
San Fernando, California air has the highest levels of PM2.5.
Poor air quality in San Fernando, California means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in San Fernando, California are currently 5.504 μg/m3.
The PM10 concentration in San Fernando, California is 22.912 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in San Fernando, California is 0.292 ppm.
Currently, San Fernando, California has a sulfur dioxide (SO2) concentration of 0.543 ppb.
The current ozone (O3) level in San Fernando, California at the moment is 23.156 ppm.
Nitrogen dioxide (NO2) level in San Fernando, California at the moment is 11.688 ppb.
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