Stay updated with real-time air quality in Calexico, 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)
87
Moderate
Calexico, California
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
20.25 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
126.63 μg/m³
0
55
155
255
425
605+
16.18 ppb
0
55
71
86
201
201+
0.90 ppb
0
36
76
186
605
1005+
43.83 ppb
0
54
101
361
1250
2050+
0.29 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Calexico, California
Calexico, California
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AQI 87
Moderate
21.58μg/m³
PM2.5
127.90μg/m³
PM10
24.99ppb
O3
0.62ppb
SO2
17.46ppb
NO2
0.29ppm
CO
AQI 80
Moderate
18.44μg/m³
PM2.5
113.95μg/m³
PM10
24.32ppb
O3
0.67ppb
SO2
18.63ppb
NO2
0.29ppm
CO
AQI 59
Moderate
4.89μg/m³
PM2.5
70.95μg/m³
PM10
24.34ppb
O3
0.78ppb
SO2
17.27ppb
NO2
0.29ppm
CO
AQI 56
Moderate
12.17μg/m³
PM2.5
40.44μg/m³
PM10
20.98ppb
O3
0.78ppb
SO2
27.73ppb
NO2
0.57ppm
CO
AQI 69
Moderate
18.01μg/m³
PM2.5
92.06μg/m³
PM10
19.87ppb
O3
0.77ppb
SO2
19.95ppb
NO2
0.64ppm
CO
AQI 86
Moderate
22.05μg/m³
PM2.5
125.80μg/m³
PM10
19.02ppb
O3
0.76ppb
SO2
14.22ppb
NO2
0.70ppm
CO
Air quality data and pollutant measurements for California, USA adhere to strict US EPA standards. The data is collected from multiple reliable sources, including satellites and ground-based monitoring stations. This data is further analyzed and enhanced using machine learning and advanced algorithms that factor in elements such as traffic and population density, ensuring accurate and reliable results.
Source: Ambee Data Sources
The air quality for Calexico, California is updated every hour.
The worst air quality in Calexico, California in the last 24 hours was observed at 06:00:00 on 2025-10-22.
In the last 24 hrs, the best air quality in Calexico, California was observed at 02:00:00 on 2025-10-22.
The current air quality in Calexico, California is 87, categorized as Moderate based on real-time data.
The most common pollutant in Calexico, California is PM10.
If the air quality in Calexico, California is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Calexico, California is 20.248 μg/m3.
The current PM10 concentration at Calexico, California is 126.634 μg/m3.
The current carbon monoxide (CO) concentration at Calexico, California is 0.29 ppm.
The current sulfur dioxide (SO2) concentration at Calexico, California is 0.895 ppb.
The current ozone (O3) concentration at Calexico, California is 16.182 ppm.
The current nitrogen dioxide (NO2) concentration at Calexico, California is 43.826 ppb.
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