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)
50
Good
Calexico, California
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
8.59 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
46.08 μg/m³
0
55
155
255
425
605+
53.89 ppb
0
55
71
86
201
201+
0.89 ppb
0
36
76
186
605
1005+
2.61 ppb
0
54
101
361
1250
2050+
0.16 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Calexico, California
Calexico, California
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AQI 44
Good
6.30μg/m³
PM2.5
42.98μg/m³
PM10
46.99ppb
O3
0.58ppb
SO2
1.76ppb
NO2
0.18ppm
CO
AQI 44
Good
6.54μg/m³
PM2.5
41.30μg/m³
PM10
46.72ppb
O3
0.60ppb
SO2
1.75ppb
NO2
0.18ppm
CO
AQI 45
Good
5.83μg/m³
PM2.5
33.11μg/m³
PM10
48.75ppb
O3
0.64ppb
SO2
1.76ppb
NO2
0.18ppm
CO
AQI 44
Good
8.15μg/m³
PM2.5
34.58μg/m³
PM10
35.02ppb
O3
0.53ppb
SO2
1.57ppb
NO2
0.12ppm
CO
AQI 38
Good
6.91μg/m³
PM2.5
28.61μg/m³
PM10
35.31ppb
O3
0.55ppb
SO2
1.57ppb
NO2
0.13ppm
CO
AQI 33
Good
6.12μg/m³
PM2.5
24.15μg/m³
PM10
35.02ppb
O3
0.56ppb
SO2
1.56ppb
NO2
0.14ppm
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 2025-07-20.
In the last 24 hrs, the best air quality in Calexico, California was observed at 04:00:00 on 2025-07-20.
The current air quality in Calexico, California is 34, 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 6.115 μg/m3.
The current PM10 concentration at Calexico, California is 32.217 μg/m3.
The current carbon monoxide (CO) concentration at Calexico, California is 0.18 ppm.
The current sulfur dioxide (SO2) concentration at Calexico, California is 0.796 ppb.
The current ozone (O3) concentration at Calexico, California is 37.213 ppm.
The current nitrogen dioxide (NO2) concentration at Calexico, California is 1.603 ppb.
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