(PM 2.5 levels reach unhealthy condition)…The Air Pollution Control District issues an Air Quality Alert at 7:00 am Wednesday.
The APCD the PM 2.5 Air Quality Index reached 103 in the Calexico area. That translates into an Air Quality Condition of Unhealthy for Sensitive Groups. The Sensitive Groups, or those most at risk, are people with respiratory or heart disease, the elderly and children. The US EPA says they are most at risk when physically active. They recommend those in the Sensitive Groups reduce prolonged or heavy exertion. They may also want to postpone outdoor activity to when the particulate matter levels are lower. PM 2.5 is a finite particulate matter create mostly from vehicle emissions.