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)
16
Good
Calexico, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
1.41 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
6.02 μg/m³
0
55
155
255
425
605+
16.95 ppb
0
55
71
86
201
201+
0.10 ppb
0
36
76
186
605
1005+
2.16 ppb
0
54
101
361
1250
2050+
0.34 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Calexico, California
Calexico, California
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AQI 15
Good
1.40μg/m³
PM2.5
7.00μg/m³
PM10
15.99ppb
O3
0.27ppb
SO2
10.55ppb
NO2
0.35ppm
CO
AQI 14
Good
1.67μg/m³
PM2.5
6.81μg/m³
PM10
15.19ppb
O3
0.28ppb
SO2
9.32ppb
NO2
0.35ppm
CO
AQI 16
Good
3.48μg/m³
PM2.5
6.01μg/m³
PM10
13.17ppb
O3
0.37ppb
SO2
6.58ppb
NO2
0.35ppm
CO
AQI 13
Good
1.94μg/m³
PM2.5
13.65μg/m³
PM10
13.73ppb
O3
0.45ppb
SO2
10.78ppb
NO2
0.18ppm
CO
AQI 19
Good
1.91μg/m³
PM2.5
8.82μg/m³
PM10
19.69ppb
O3
0.43ppb
SO2
6.84ppb
NO2
0.18ppm
CO
AQI 19
Good
1.90μg/m³
PM2.5
8.99μg/m³
PM10
19.98ppb
O3
0.44ppb
SO2
6.88ppb
NO2
0.18ppm
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 12:00:00 on 2026-09-07.
In the last 24 hrs, the best air quality in Calexico, California was observed at 10:00:00 on 2026-09-07.
The current air quality in Calexico, California is 16, categorized as Good based on real-time data.
The most common pollutant in Calexico, California is O3.
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 1.406 μg/m3.
The current PM10 concentration at Calexico, California is 6.018 μg/m3.
The current carbon monoxide (CO) concentration at Calexico, California is 0.345 ppm.
The current sulfur dioxide (SO2) concentration at Calexico, California is 0.104 ppb.
The current ozone (O3) concentration at Calexico, California is 16.954 ppm.
The current nitrogen dioxide (NO2) concentration at Calexico, California is 2.159 ppb.
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