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)
38
Good
El Segundo, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
5.08 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
20.49 μg/m³
0
55
155
255
425
605+
41.34 ppb
0
55
71
86
201
201+
0.30 ppb
0
36
76
186
605
1005+
6.33 ppb
0
54
101
361
1250
2050+
0.19 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
El Segundo, California
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AQI 35
Good
4.87μg/m³
PM2.5
23.07μg/m³
PM10
37.85ppb
O3
0.33ppb
SO2
18.23ppb
NO2
0.20ppm
CO
AQI 38
Good
4.93μg/m³
PM2.5
23.13μg/m³
PM10
40.63ppb
O3
0.30ppb
SO2
6.77ppb
NO2
0.18ppm
CO
AQI 38
Good
4.93μg/m³
PM2.5
23.13μg/m³
PM10
40.63ppb
O3
0.30ppb
SO2
6.77ppb
NO2
0.18ppm
CO
AQI 38
Good
4.93μg/m³
PM2.5
23.13μg/m³
PM10
40.63ppb
O3
0.30ppb
SO2
6.77ppb
NO2
0.18ppm
CO
AQI 35
Good
4.87μg/m³
PM2.5
23.07μg/m³
PM10
37.85ppb
O3
0.33ppb
SO2
18.23ppb
NO2
0.20ppm
CO
AQI 35
Good
4.87μg/m³
PM2.5
23.07μg/m³
PM10
37.85ppb
O3
0.33ppb
SO2
18.23ppb
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 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 11:00:00 on 2026-03-09.
In the last 24 hours, the best air quality in El Segundo, California was observed at 01:00:00 on 2026-03-09.
As of now, the AQI in El Segundo, California is 38, indicating Good conditions.
El Segundo, California air has the highest levels of O3.
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 5.084 μg/m3.
The PM10 concentration in El Segundo, California is 20.493 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in El Segundo, California is 0.192 ppm.
Currently, El Segundo, California has a sulfur dioxide (SO2) concentration of 0.298 ppb.
The current ozone (O3) level in El Segundo, California at the moment is 41.336 ppm.
Nitrogen dioxide (NO2) level in El Segundo, California at the moment is 6.328 ppb.
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