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)
34
Good
El Monte, California
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
4.83 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
19.80 μg/m³
0
55
155
255
425
605+
36.78 ppb
0
55
71
86
201
201+
0.81 ppb
0
36
76
186
605
1005+
7.81 ppb
0
54
101
361
1250
2050+
0.19 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 38
Good
6.91μg/m³
PM2.5
31.86μg/m³
PM10
40.73ppb
O3
0.19ppb
SO2
3.90ppb
NO2
0.20ppm
CO
AQI 40
Good
7.35μg/m³
PM2.5
29.59μg/m³
PM10
42.57ppb
O3
0.18ppb
SO2
3.99ppb
NO2
0.20ppm
CO
AQI 39
Good
7.04μg/m³
PM2.5
29.53μg/m³
PM10
42.37ppb
O3
0.19ppb
SO2
3.50ppb
NO2
0.20ppm
CO
AQI 44
Good
7.69μg/m³
PM2.5
29.68μg/m³
PM10
43.97ppb
O3
0.17ppb
SO2
4.07ppb
NO2
0.20ppm
CO
AQI 42
Good
7.25μg/m³
PM2.5
29.65μg/m³
PM10
44.96ppb
O3
0.19ppb
SO2
3.54ppb
NO2
0.20ppm
CO
AQI 45
Good
8.25μg/m³
PM2.5
35.36μg/m³
PM10
49.33ppb
O3
0.19ppb
SO2
3.12ppb
NO2
0.20ppm
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 2025-07-20.
In the last 24 hours, the best air quality in El Monte, California was observed at 03:00:00 on 2025-07-20.
As of now, the AQI in El Monte, California is 39, 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 7.249 μg/m3.
The PM10 concentration in El Monte, California is 31.069 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in El Monte, California is 0.201 ppm.
Currently, El Monte, California has a sulfur dioxide (SO2) concentration of 0.184 ppb.
The current ozone (O3) level in El Monte, California at the moment is 42.373 ppm.
Nitrogen dioxide (NO2) level in El Monte, California at the moment is 3.927 ppb.
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