Air quality to deteriorate further in the Central Valley, here's why

FRESNO, Calif. (KSEE/KGPE) – The San Joaquin Valley Air Pollution Control District (APCD) warns that stagnant atmospheric conditions and record-hot upwind are starring to deteriorating aerial prime successful the Central Valley.

As of Thursday, one-third of counties successful the San Joaquin Valley were experiencing unhealthy aerial prime levels; by Friday, that fig is expected to leap to astir 50%.

According to the National Weather Service, aggregate record-high temperatures person already been surpassed this October. APCD says these temperatures are helping to trap pollutants astatine crushed level.

The territory adds that mediocre dispersion conditions and a unchangeable ambiance overhead person led to an summation successful PM10 (particulate substance 10 microns and smaller) and higher ozone concentrations crossed the Valley. The Happy Fire successful Fresno County is besides contributing PM2.5 contamination successful the area.

Exposure to specified particulate contamination tin trigger asthma attacks, aggravate chronic bronchitis, and summation the hazard of bosom attack, stroke, and respiratory infections. Anyone experiencing mediocre aerial prime is advised to determination to a filtered, air-conditioned situation with closed windows.

APCD says aerial prime is expected to proceed to deteriorate passim the play and into aboriginal adjacent week. An up-to-date regular aerial prime forecast tin beryllium recovered by visiting San Joaquin Valley APCD online.