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)
27
Good
South El Monte, 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+
15.86 μg/m³
0
55
155
255
425
605+
15.20 ppb
0
55
71
86
201
201+
0.30 ppb
0
36
76
186
605
1005+
7.88 ppb
0
54
101
361
1250
2050+
0.10 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
South El Monte, California
South El Monte, California
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AQI 27
Good
4.70μg/m³
PM2.5
15.05μg/m³
PM10
15.22ppb
O3
0.29ppb
SO2
7.38ppb
NO2
0.11ppm
CO
AQI 27
Good
4.78μg/m³
PM2.5
15.82μg/m³
PM10
15.09ppb
O3
0.27ppb
SO2
7.14ppb
NO2
0.10ppm
CO
AQI 27
Good
4.53μg/m³
PM2.5
14.47μg/m³
PM10
15.85ppb
O3
0.30ppb
SO2
6.28ppb
NO2
0.11ppm
CO
AQI 27
Good
4.52μg/m³
PM2.5
15.07μg/m³
PM10
14.96ppb
O3
0.27ppb
SO2
7.00ppb
NO2
0.11ppm
CO
AQI 22
Good
4.46μg/m³
PM2.5
15.71μg/m³
PM10
15.37ppb
O3
0.24ppb
SO2
7.12ppb
NO2
0.10ppm
CO
AQI 22
Good
4.49μg/m³
PM2.5
14.80μg/m³
PM10
15.12ppb
O3
0.28ppb
SO2
6.04ppb
NO2
0.12ppm
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 06:00:00 on 2025-09-09.
In the last 24 hours, the best air quality in South El Monte, California was observed at 01:00:00 on 2025-09-09.
As of now, the AQI in South El Monte, California is 27, 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 5.081 μg/m3.
The PM10 concentration in South El Monte, California is 15.858 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in South El Monte, California is 0.1 ppm.
Currently, South El Monte, California has a sulfur dioxide (SO2) concentration of 0.303 ppb.
The current ozone (O3) level in South El Monte, California at the moment is 15.202 ppm.
Nitrogen dioxide (NO2) level in South El Monte, California at the moment is 7.877 ppb.
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