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)
28
Good
Calexico, California
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
0.26 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
27.03 μg/m³
0
55
155
255
425
605+
30.07 ppb
0
55
71
86
201
201+
0.10 ppb
0
36
76
186
605
1005+
4.90 ppb
0
54
101
361
1250
2050+
0.22 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
High
Calexico, California
Calexico, California
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AQI 70
Moderate
7.31μg/m³
PM2.5
94.05μg/m³
PM10
22.01ppb
O3
0.29ppb
SO2
4.39ppb
NO2
0.25ppm
CO
AQI 74
Moderate
9.25μg/m³
PM2.5
101.03μg/m³
PM10
23.16ppb
O3
0.29ppb
SO2
4.30ppb
NO2
0.25ppm
CO
AQI 84
Moderate
9.18μg/m³
PM2.5
121.09μg/m³
PM10
25.87ppb
O3
0.29ppb
SO2
4.44ppb
NO2
0.25ppm
CO
AQI 44
Good
7.78μg/m³
PM2.5
26.15μg/m³
PM10
31.98ppb
O3
0.28ppb
SO2
8.69ppb
NO2
0.23ppm
CO
AQI 33
Good
6.11μg/m³
PM2.5
27.05μg/m³
PM10
31.71ppb
O3
0.29ppb
SO2
8.67ppb
NO2
0.23ppm
CO
AQI 30
Good
4.96μg/m³
PM2.5
23.32μg/m³
PM10
31.97ppb
O3
0.29ppb
SO2
8.93ppb
NO2
0.23ppm
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 07:00:00 on 2025-09-05.
In the last 24 hrs, the best air quality in Calexico, California was observed at 02:00:00 on 2025-09-04.
The current air quality in Calexico, California is 72, 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 4.617 μg/m3.
The current PM10 concentration at Calexico, California is 97.09 μg/m3.
The current carbon monoxide (CO) concentration at Calexico, California is 0.255 ppm.
The current sulfur dioxide (SO2) concentration at Calexico, California is 0.277 ppb.
The current ozone (O3) concentration at Calexico, California is 23.989 ppm.
The current nitrogen dioxide (NO2) concentration at Calexico, California is 3.322 ppb.
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