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)
27
Good
El Monte, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
5.23 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
21.71 μg/m³
0
55
155
255
425
605+
3.18 ppb
0
55
71
86
201
201+
0.60 ppb
0
36
76
186
605
1005+
6.93 ppb
0
54
101
361
1250
2050+
0.46 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 27
Good
4.64μg/m³
PM2.5
20.20μg/m³
PM10
3.12ppb
O3
0.57ppb
SO2
6.73ppb
NO2
0.46ppm
CO
AQI 27
Good
5.46μg/m³
PM2.5
23.19μg/m³
PM10
3.38ppb
O3
0.57ppb
SO2
7.09ppb
NO2
0.44ppm
CO
AQI 27
Good
4.87μg/m³
PM2.5
19.95μg/m³
PM10
3.46ppb
O3
0.60ppb
SO2
6.46ppb
NO2
0.47ppm
CO
AQI 33
Good
5.63μg/m³
PM2.5
23.67μg/m³
PM10
3.46ppb
O3
0.57ppb
SO2
7.10ppb
NO2
0.43ppm
CO
AQI 27
Good
5.18μg/m³
PM2.5
20.56μg/m³
PM10
3.88ppb
O3
0.62ppb
SO2
6.20ppb
NO2
0.48ppm
CO
AQI 33
Good
5.73μg/m³
PM2.5
25.68μg/m³
PM10
3.58ppb
O3
0.63ppb
SO2
11.82ppb
NO2
0.46ppm
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 03:00:00 on 2026-09-07.
In the last 24 hours, the best air quality in El Monte, California was observed at 12:00:00 on 2026-09-07.
As of now, the AQI in El Monte, California is 27, indicating Good 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 5.061 μg/m3.
The PM10 concentration in El Monte, California is 21.476 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in El Monte, California is 0.457 ppm.
Currently, El Monte, California has a sulfur dioxide (SO2) concentration of 0.575 ppb.
The current ozone (O3) level in El Monte, California at the moment is 3.182 ppm.
Nitrogen dioxide (NO2) level in El Monte, California at the moment is 6.858 ppb.
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