Stay updated with real-time air quality in El Segundo, 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)
25
Good
El Segundo, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.30 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
19.02 μg/m³
0
55
155
255
425
605+
19.42 ppb
0
55
71
86
201
201+
0.63 ppb
0
36
76
186
605
1005+
26.46 ppb
0
54
101
361
1250
2050+
0.42 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Very high
El Segundo, California
El Segundo, California
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AQI 27
Good
4.89μg/m³
PM2.5
13.19μg/m³
PM10
16.26ppb
O3
0.55ppb
SO2
25.05ppb
NO2
0.42ppm
CO
AQI 25
Good
3.95μg/m³
PM2.5
14.61μg/m³
PM10
18.22ppb
O3
0.61ppb
SO2
27.41ppb
NO2
0.42ppm
CO
AQI 25
Good
3.95μg/m³
PM2.5
14.61μg/m³
PM10
18.22ppb
O3
0.61ppb
SO2
27.41ppb
NO2
0.42ppm
CO
AQI 25
Good
3.95μg/m³
PM2.5
14.61μg/m³
PM10
18.22ppb
O3
0.61ppb
SO2
27.41ppb
NO2
0.42ppm
CO
AQI 27
Good
4.89μg/m³
PM2.5
13.19μg/m³
PM10
16.26ppb
O3
0.55ppb
SO2
25.05ppb
NO2
0.42ppm
CO
AQI 27
Good
4.89μg/m³
PM2.5
13.19μg/m³
PM10
16.26ppb
O3
0.55ppb
SO2
25.05ppb
NO2
0.42ppm
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 El Segundo, California is updated every hour for accuracy.
In the past 24 hours, the air quality in El Segundo, California was at its worst at 12:00:00 on 2026-04-24.
In the last 24 hours, the best air quality in El Segundo, California was observed at 08:00:00 on 2026-04-24.
As of now, the AQI in El Segundo, California is 25, indicating Good conditions.
El Segundo, California air has the highest levels of NO2.
Poor air quality in El Segundo, California means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in El Segundo, California are currently 4.298 μg/m3.
The PM10 concentration in El Segundo, California is 19.017 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in El Segundo, California is 0.421 ppm.
Currently, El Segundo, California has a sulfur dioxide (SO2) concentration of 0.63 ppb.
The current ozone (O3) level in El Segundo, California at the moment is 19.423 ppm.
Nitrogen dioxide (NO2) level in El Segundo, California at the moment is 26.458 ppb.
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