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)
60
Moderate
Calexico, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
13.95 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
39.94 μg/m³
0
55
155
255
425
605+
5.75 ppb
0
55
71
86
201
201+
1.11 ppb
0
36
76
186
605
1005+
20.22 ppb
0
54
101
361
1250
2050+
0.64 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Calexico, California
Calexico, California
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AQI 38
Good
7.40μg/m³
PM2.5
29.98μg/m³
PM10
12.00ppb
O3
1.11ppb
SO2
26.28ppb
NO2
0.64ppm
CO
AQI 38
Good
7.48μg/m³
PM2.5
27.34μg/m³
PM10
12.48ppb
O3
1.12ppb
SO2
23.49ppb
NO2
0.64ppm
CO
AQI 54
Moderate
11.41μg/m³
PM2.5
23.89μg/m³
PM10
13.17ppb
O3
1.13ppb
SO2
15.83ppb
NO2
0.64ppm
CO
AQI 38
Good
7.09μg/m³
PM2.5
20.23μg/m³
PM10
4.97ppb
O3
1.16ppb
SO2
18.62ppb
NO2
0.66ppm
CO
AQI 38
Good
6.75μg/m³
PM2.5
31.17μg/m³
PM10
10.19ppb
O3
1.99ppb
SO2
12.77ppb
NO2
0.70ppm
CO
AQI 38
Good
6.80μg/m³
PM2.5
31.95μg/m³
PM10
10.01ppb
O3
2.05ppb
SO2
12.58ppb
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 01:00:00 on 2025-12-07.
In the last 24 hrs, the best air quality in Calexico, California was observed at 04:00:00 on 2025-12-06.
The current air quality in Calexico, California is 60, categorized as Moderate based on real-time data.
The most common pollutant in Calexico, California is PM2.5.
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 13.95 μg/m3.
The current PM10 concentration at Calexico, California is 39.94 μg/m3.
The current carbon monoxide (CO) concentration at Calexico, California is 0.642 ppm.
The current sulfur dioxide (SO2) concentration at Calexico, California is 1.115 ppb.
The current ozone (O3) concentration at Calexico, California is 5.746 ppm.
The current nitrogen dioxide (NO2) concentration at Calexico, California is 20.221 ppb.
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