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)
82
Moderate
South El Monte, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
25.82 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
110.25 μg/m³
0
55
155
255
425
605+
12.20 ppb
0
55
71
86
201
201+
0.33 ppb
0
36
76
186
605
1005+
24.82 ppb
0
54
101
361
1250
2050+
0.40 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
South El Monte, California
South El Monte, California
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AQI 81
Moderate
25.05μg/m³
PM2.5
100.42μg/m³
PM10
12.10ppb
O3
0.33ppb
SO2
24.10ppb
NO2
0.41ppm
CO
AQI 75
Moderate
21.77μg/m³
PM2.5
87.93μg/m³
PM10
15.19ppb
O3
0.33ppb
SO2
22.57ppb
NO2
0.39ppm
CO
AQI 81
Moderate
24.66μg/m³
PM2.5
94.29μg/m³
PM10
11.31ppb
O3
0.34ppb
SO2
23.70ppb
NO2
0.42ppm
CO
AQI 71
Moderate
20.24μg/m³
PM2.5
79.43μg/m³
PM10
16.18ppb
O3
0.33ppb
SO2
21.73ppb
NO2
0.39ppm
CO
AQI 69
Moderate
19.37μg/m³
PM2.5
76.62μg/m³
PM10
17.41ppb
O3
0.33ppb
SO2
21.29ppb
NO2
0.38ppm
CO
AQI 79
Moderate
24.16μg/m³
PM2.5
80.82μg/m³
PM10
10.64ppb
O3
0.34ppb
SO2
22.78ppb
NO2
0.43ppm
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 09:00:00 on 2026-01-22.
In the last 24 hours, the best air quality in South El Monte, California was observed at 04:00:00 on 2026-01-23.
As of now, the AQI in South El Monte, California is 82, indicating Moderate 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 25.821 μg/m3.
The PM10 concentration in South El Monte, California is 110.25 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in South El Monte, California is 0.404 ppm.
Currently, South El Monte, California has a sulfur dioxide (SO2) concentration of 0.333 ppb.
The current ozone (O3) level in South El Monte, California at the moment is 12.196 ppm.
Nitrogen dioxide (NO2) level in South El Monte, California at the moment is 24.824 ppb.
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