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)
22
Good
El Monte, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.69 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
15.93 μg/m³
0
55
155
255
425
605+
23.95 ppb
0
55
71
86
201
201+
0.76 ppb
0
36
76
186
605
1005+
12.04 ppb
0
54
101
361
1250
2050+
0.26 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Very high
El Monte, California
El Monte, California
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AQI 20
Good
2.66μg/m³
PM2.5
10.57μg/m³
PM10
22.37ppb
O3
0.72ppb
SO2
19.38ppb
NO2
0.33ppm
CO
AQI 23
Good
3.79μg/m³
PM2.5
15.08μg/m³
PM10
25.04ppb
O3
0.72ppb
SO2
16.39ppb
NO2
0.33ppm
CO
AQI 24
Good
3.32μg/m³
PM2.5
12.20μg/m³
PM10
25.84ppb
O3
0.73ppb
SO2
15.59ppb
NO2
0.34ppm
CO
AQI 24
Good
4.22μg/m³
PM2.5
16.77μg/m³
PM10
26.15ppb
O3
0.72ppb
SO2
15.10ppb
NO2
0.33ppm
CO
AQI 27
Good
3.92μg/m³
PM2.5
13.63μg/m³
PM10
28.67ppb
O3
0.75ppb
SO2
12.79ppb
NO2
0.34ppm
CO
AQI 38
Good
6.89μg/m³
PM2.5
26.62μg/m³
PM10
27.05ppb
O3
0.75ppb
SO2
9.14ppb
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 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 12:00:00 on 2026-04-24.
In the last 24 hours, the best air quality in El Monte, California was observed at 08:00:00 on 2026-04-24.
As of now, the AQI in El Monte, California is 22, indicating Good conditions.
El Monte, California air has the highest levels of O3.
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 3.686 μg/m3.
The PM10 concentration in El Monte, California is 15.93 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in El Monte, California is 0.263 ppm.
Currently, El Monte, California has a sulfur dioxide (SO2) concentration of 0.764 ppb.
The current ozone (O3) level in El Monte, California at the moment is 23.953 ppm.
Nitrogen dioxide (NO2) level in El Monte, California at the moment is 12.04 ppb.
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