Stay updated with real-time air quality in South El Monte, 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
South El Monte, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
7.12 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
31.56 μg/m³
0
55
155
255
425
605+
16.59 ppb
0
55
71
86
201
201+
0.28 ppb
0
36
76
186
605
1005+
29.55 ppb
0
54
101
361
1250
2050+
0.31 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
South El Monte, California
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AQI 38
Good
6.65μg/m³
PM2.5
29.00μg/m³
PM10
18.52ppb
O3
0.29ppb
SO2
27.52ppb
NO2
0.32ppm
CO
AQI 33
Good
5.81μg/m³
PM2.5
25.33μg/m³
PM10
20.25ppb
O3
0.28ppb
SO2
24.74ppb
NO2
0.30ppm
CO
AQI 38
Good
6.70μg/m³
PM2.5
28.73μg/m³
PM10
19.42ppb
O3
0.29ppb
SO2
26.17ppb
NO2
0.32ppm
CO
AQI 27
Good
5.35μg/m³
PM2.5
23.02μg/m³
PM10
21.56ppb
O3
0.28ppb
SO2
22.91ppb
NO2
0.30ppm
CO
AQI 27
Good
5.28μg/m³
PM2.5
23.34μg/m³
PM10
22.13ppb
O3
0.27ppb
SO2
22.50ppb
NO2
0.29ppm
CO
AQI 33
Good
6.23μg/m³
PM2.5
26.19μg/m³
PM10
22.46ppb
O3
0.31ppb
SO2
23.41ppb
NO2
0.33ppm
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 South El Monte, California is updated every hour for accuracy.
In the past 24 hours, the air quality in South El Monte, California was at its worst at 03:00:00 on 2026-03-05.
In the last 24 hours, the best air quality in South El Monte, California was observed at 04:00:00 on 2026-03-06.
As of now, the AQI in South El Monte, California is 38, indicating Good conditions.
South El Monte, California air has the highest levels of PM2.5.
Poor air quality in South El Monte, California means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in South El Monte, California are currently 7.119 μg/m3.
The PM10 concentration in South El Monte, California is 31.56 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in South El Monte, California is 0.312 ppm.
Currently, South El Monte, California has a sulfur dioxide (SO2) concentration of 0.279 ppb.
The current ozone (O3) level in South El Monte, California at the moment is 16.594 ppm.
Nitrogen dioxide (NO2) level in South El Monte, California at the moment is 29.545 ppb.
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