(High levels of PM 2.5 over night)….The Air Pollution Control District issued the Alert.
At mid-night the 24 hour average of the Particulate Matter reached 102 on the Air Quality Index in Calexico. That translates to a condition of Unhealthy for Sensitive Groups. PM 2.5 is a finite particulate matter resulting mostly from vehicle emissions. The APCD says the levels have since lowered. At last report Air Quality in Calexico and the rest of the county were at a condition of Good.