COBACH Air Quality
Monitoring Station
· Calexico, United States
54
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
Last Reading
Nearby Monitoring Stations
GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast
Calibrated
137
2pm
137
137
137
5pm
110
110
108
8pm
108
108
108
11pm
108
110
110
2am
110
—
—
5am
—
—
—
8am
—
—
—
11am
—
—
CAMS model
adj +83
54
54
54
54
27
27
25
25
25
25
25
27
27
27
Air Quality Forecast (24h)
PM2.513.5 µg/m³
✓ WHO
Moderate
Gas Pollutants
O₃
29.5
µg/m³
NO₂
5.7
µg/m³
CO
0.33
mg/m³
Nearby Cities
Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-09-05T17:04 UTC.