(Air Alert Tuesday morning)…The Alert was issued by the Imperial County Air Pollution Control District.
It was issued at 6:00 am for the Calexico Ethel Street area. The Alert indicated High Levels of PM 2.5 had reached an Air Quality Index of 105. This translated into an Air Quality condition of Unhealthy for Sensitive Groups. The levels of the Finite Particulate Matter have since lowered. At Last report the Air Quality Condition in Calexico was reported as Moderate. PM 2.5 is created mostly from vehicle emissions. Historically, most of the PM 2.5 is reported in Calexico, basically because of the high levels of traffic in Mexicali and the long lines coming across the border.