(Unhealthy Air Quality)…It was reported in Mexicali.
Very high levels of PM 2.5 were recorded throughout the night and most of the morning Friday. PM 2.5 is a finite particulate matter created mostly from vehicle emissions. By 10:00 am Friday, the levels of PM 2.5 lowered and Air Quality was listed as Moderate. At Mid-morning Friday Air Quality was listed as Moderate throughout the region.