FRESNO, Calif. (KFSN) -- The San Joaquin Valley Air Pollution Control District has issued a health caution for the Central Valley due to gusty winds.
Officials say the strong winds are elevating concentrations of particulate matter in the air.
The Valley air district says the dirty air can trigger serious health problems in some people, including asthma attacks and bronchitis.
Their health caution is in effect through Friday.