(Air Quality Unhealthy in Calexico)….High levels of PM 2.5 are to blame.
The Air Pollution Control District issued the Air Alert at 8:00 Monday morning. At that time the 24-hour average of PM 2.5 reached 102 on the Air Quality Index at the Ethel Street monitoring station in Calexico. That translates to a condition of Unhealthy for Sensitive Groups. They include people with heart or respiratory disease, the elderly and children. During the condition of Unhealthy for Sensitive Groups, it is suggested the at Risk groups reduced prolonged activity outdoors until the levels of particulate matter are lower. Air Quality for the rest of the County was Good Monday morning.