Stay updated with real-time air quality in El Centro, 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)
41
Good
El Centro, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
5.11 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
22.99 μg/m³
0
55
155
255
425
605+
44.01 ppb
0
55
71
86
201
201+
0.51 ppb
0
36
76
186
605
1005+
2.81 ppb
0
54
101
361
1250
2050+
0.22 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
El Centro, California
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AQI 40
Good
5.97μg/m³
PM2.5
23.83μg/m³
PM10
42.75ppb
O3
0.50ppb
SO2
2.61ppb
NO2
0.23ppm
CO
AQI 49
Good
9.13μg/m³
PM2.5
30.84μg/m³
PM10
41.04ppb
O3
0.50ppb
SO2
3.19ppb
NO2
0.24ppm
CO
AQI 39
Good
5.59μg/m³
PM2.5
18.01μg/m³
PM10
42.37ppb
O3
0.53ppb
SO2
2.64ppb
NO2
0.24ppm
CO
AQI 37
Good
4.24μg/m³
PM2.5
23.05μg/m³
PM10
40.06ppb
O3
0.54ppb
SO2
3.16ppb
NO2
0.24ppm
CO
AQI 41
Good
3.64μg/m³
PM2.5
20.27μg/m³
PM10
43.50ppb
O3
0.54ppb
SO2
3.16ppb
NO2
0.24ppm
CO
AQI 43
Good
3.03μg/m³
PM2.5
18.09μg/m³
PM10
45.91ppb
O3
0.55ppb
SO2
3.18ppb
NO2
0.24ppm
CO
Air quality measurements for California, USA meet strict US EPA standards. These measurements are collected from reliable sources, including satellites and ground-based monitoring systems. Advanced algorithms and machine learning techniques are applied to the data, factoring in variables such as traffic and population density, to ensure precision and reliability.
Source: Ambee Data Sources
Air quality data for El Centro, California is updated on an hourly basis.
The worst air quality in El Centro, California was recorded at 04:00:00 on 2026-03-09.
The best air quality in El Centro, California was recorded at 04:00:00 on 2026-03-09.
The real-time air quality index in El Centro, California is 42, currently categorized as Good.
The most common pollutant in El Centro, California is O3.
If the air quality in El Centro, California is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in El Centro, California at present are 4.413 μg/m3.
The current PM10 levels in El Centro, California are 25.99 μg/m3.
The current carbon monoxide (CO) level in El Centro, California is 0.242 ppm.
The current sulfur dioxide (SO2) levels in El Centro, California are 0.561 ppb.
The current ozone (O3) levels at El Centro, California is 44.997 ppm.
The current nitrogen dioxide (NO2) levels at El Centro, California is 2.508 ppb.
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