The smoke from the Flat Fire in Oregon may be visible across the Bay Area and people at higher elevations may smell smoke, though pollutant levels are not expected to exceed national health standards or prompt a Spare the Air alert, according to the air district.
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Anyone who smells smoke should avoid exposure and stay inside with windows and doors closed until smoke levels subside, and should set air conditioning units to re-circulate to prevent outside air from coming inside.
People can check air quality readings around the Bay Area here.
Track air quality levels with our interactive map below.
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For a better experience, click here to view the full map in a new window