Mt. Diablo wildfire smoke may impact air quality


Smoke from the fire has been observed moving southward along the Diablo Range and may impact parts of Contra Costa, Alameda and Santa Clara counties.

Bay Area residents in these regions have been advised to:

  • Reduce exposure to smoky air by remaining indoors with windows and doors closed
  • Set air conditioning units and car vent systems to re-circulate
  • If air smells of smoke, limit outdoor activities to avoid unnecessary exposure
  • If you have asthma or other lung disease, make sure you follow your doctor's directions about taking your medicines and following your asthma management plan. Call your doctor if your symptoms worsen.
  • If you have heart or lung disease, if you are an older adult, or if you have children, talk with your doctor about whether and when you should leave the area.

    Bay Area Air Quality Management says the smoke can irritate eyes and airways, causing coughing, scratchy throat, and irritated sinuses. Elevated particulate matter in the air can trigger asthma attacks in those who suffer from asthma.

    Elderly persons, children and individuals with respiratory illnesses are particularly susceptible to elevated air pollution levels and should take extra precautions to avoid exposure.

    The Air District will continue to monitor smoke impacts and issue additional advisories as conditions warrant. For now, a Spare the Air advisory is not in effect and no burn ban is in place.

    Go to or to check real-time air quality.

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