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)
56
Moderate
El Monte, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
12.39 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
39.09 μg/m³
0
55
155
255
425
605+
18.18 ppb
0
55
71
86
201
201+
0.66 ppb
0
36
76
186
605
1005+
35.59 ppb
0
54
101
361
1250
2050+
0.69 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 54
Moderate
10.69μg/m³
PM2.5
53.43μg/m³
PM10
37.32ppb
O3
0.86ppb
SO2
19.60ppb
NO2
0.47ppm
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 52
Moderate
9.95μg/m³
PM2.5
39.57μg/m³
PM10
39.39ppb
O3
0.94ppb
SO2
17.59ppb
NO2
0.40ppm
CO
AQI 49
Good
8.94μg/m³
PM2.5
29.55μg/m³
PM10
37.26ppb
O3
0.84ppb
SO2
19.10ppb
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 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 01:00:00 on 2025-12-07.
In the last 24 hours, the best air quality in El Monte, California was observed at 07:00:00 on 2025-12-07.
As of now, the AQI in El Monte, California is 52, 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 9.525 μg/m3.
The PM10 concentration in El Monte, California is 37.86 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in El Monte, California is 0.489 ppm.
Currently, El Monte, California has a sulfur dioxide (SO2) concentration of 0.548 ppb.
The current ozone (O3) level in El Monte, California at the moment is 35.314 ppm.
Nitrogen dioxide (NO2) level in El Monte, California at the moment is 22.174 ppb.
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