Stay updated with real-time air quality in 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)
81
Moderate
El Monte, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
25.05 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
100.42 μg/m³
0
55
155
255
425
605+
12.10 ppb
0
55
71
86
201
201+
0.33 ppb
0
36
76
186
605
1005+
24.10 ppb
0
54
101
361
1250
2050+
0.41 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
El Monte, California
El Monte, California
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AQI 82
Moderate
25.82μg/m³
PM2.5
110.25μg/m³
PM10
12.20ppb
O3
0.33ppb
SO2
24.82ppb
NO2
0.40ppm
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 79
Moderate
24.16μg/m³
PM2.5
80.82μg/m³
PM10
10.64ppb
O3
0.34ppb
SO2
22.78ppb
NO2
0.43ppm
CO
AQI 73
Moderate
21.23μg/m³
PM2.5
40.57μg/m³
PM10
21.79ppb
O3
0.34ppb
SO2
20.88ppb
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 El Monte, California is updated every hour for accuracy.
In the past 24 hours, the air quality in 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 El Monte, California was observed at 04:00:00 on 2026-01-23.
As of now, the AQI in El Monte, California is 81, indicating Moderate conditions.
El Monte, California air has the highest levels of PM2.5.
Poor air quality in El Monte, California means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in El Monte, California are currently 25.047 μg/m3.
The PM10 concentration in El Monte, California is 100.415 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in El Monte, California is 0.409 ppm.
Currently, El Monte, California has a sulfur dioxide (SO2) concentration of 0.334 ppb.
The current ozone (O3) level in El Monte, California at the moment is 12.102 ppm.
Nitrogen dioxide (NO2) level in El Monte, California at the moment is 24.097 ppb.
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