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)
58
Moderate
South El Monte, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
13.11 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
38.20 μg/m³
0
55
155
255
425
605+
18.22 ppb
0
55
71
86
201
201+
0.69 ppb
0
36
76
186
605
1005+
37.20 ppb
0
54
101
361
1250
2050+
0.71 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 54
Moderate
11.17μg/m³
PM2.5
52.03μg/m³
PM10
38.74ppb
O3
0.88ppb
SO2
18.44ppb
NO2
0.45ppm
CO
AQI 56
Moderate
12.42μg/m³
PM2.5
58.76μg/m³
PM10
39.77ppb
O3
0.89ppb
SO2
17.76ppb
NO2
0.44ppm
CO
AQI 54
Moderate
11.10μg/m³
PM2.5
46.65μg/m³
PM10
38.89ppb
O3
0.91ppb
SO2
19.41ppb
NO2
0.45ppm
CO
AQI 58
Moderate
12.85μg/m³
PM2.5
58.98μg/m³
PM10
40.76ppb
O3
0.92ppb
SO2
17.02ppb
NO2
0.43ppm
CO
AQI 58
Moderate
12.82μg/m³
PM2.5
57.79μg/m³
PM10
39.71ppb
O3
0.85ppb
SO2
16.65ppb
NO2
0.42ppm
CO
AQI 52
Moderate
9.95μg/m³
PM2.5
39.57μg/m³
PM10
39.39ppb
O3
0.94ppb
SO2
17.59ppb
NO2
0.40ppm
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 01:00:00 on 2025-12-07.
In the last 24 hours, the best air quality in South El Monte, California was observed at 07:00:00 on 2025-12-07.
As of now, the AQI in South El Monte, California is 52, 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 9.598 μg/m3.
The PM10 concentration in South El Monte, California is 37.215 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in South El Monte, California is 0.495 ppm.
Currently, South El Monte, California has a sulfur dioxide (SO2) concentration of 0.55 ppb.
The current ozone (O3) level in South El Monte, California at the moment is 34.953 ppm.
Nitrogen dioxide (NO2) level in South El Monte, California at the moment is 22.483 ppb.
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