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)
31
Good
San Fernando, California
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
5.29 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
22.72 μg/m³
0
55
155
255
425
605+
33.42 ppb
0
55
71
86
201
201+
0.30 ppb
0
36
76
186
605
1005+
3.01 ppb
0
54
101
361
1250
2050+
0.12 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
San Fernando, California
San Fernando, California
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AQI 49
Good
9.14μg/m³
PM2.5
40.65μg/m³
PM10
22.90ppb
O3
0.34ppb
SO2
11.18ppb
NO2
0.20ppm
CO
AQI 33
Good
5.85μg/m³
PM2.5
23.87μg/m³
PM10
20.98ppb
O3
0.34ppb
SO2
8.26ppb
NO2
0.20ppm
CO
AQI 44
Good
8.14μg/m³
PM2.5
34.67μg/m³
PM10
21.43ppb
O3
0.33ppb
SO2
10.80ppb
NO2
0.20ppm
CO
AQI 33
Good
5.82μg/m³
PM2.5
19.62μg/m³
PM10
23.33ppb
O3
0.34ppb
SO2
6.79ppb
NO2
0.20ppm
CO
AQI 33
Good
5.82μg/m³
PM2.5
21.80μg/m³
PM10
20.55ppb
O3
0.34ppb
SO2
8.25ppb
NO2
0.20ppm
CO
AQI 33
Good
5.57μg/m³
PM2.5
19.24μg/m³
PM10
21.92ppb
O3
0.34ppb
SO2
8.03ppb
NO2
0.20ppm
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 2025-07-19.
In the last 24 hours, the best air quality in San Fernando, California was observed at 01:00:00 on 2025-07-19.
As of now, the AQI in San Fernando, California is 49, 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 8.805 μg/m3.
The PM10 concentration in San Fernando, California is 37.409 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in San Fernando, California is 0.194 ppm.
Currently, San Fernando, California has a sulfur dioxide (SO2) concentration of 0.449 ppb.
The current ozone (O3) level in San Fernando, California at the moment is 22.803 ppm.
Nitrogen dioxide (NO2) level in San Fernando, California at the moment is 8.238 ppb.
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