Smoke from the wildfires burning across the Bay Area has led air regulators to issue one of their longest periods of continuous Spare the Air alerts. Kevin Stark with KQED Science has more.  

<p>Smoke from the wildfires burning across the Bay Area has led air regulators to issue one of their longest periods of continuous Spare the Air alerts. Kevin Stark with KQED Science has more.&nbsp;&nbsp;</p>

KQED serves the people of Northern California with a community-supported alternative to commercial media. We provide citizens with the knowledge they need to make informed decisions; convene community dialogue; bring the arts to everyone; and engage audiences to share their stories.

<p>KQED serves the people of Northern California with a community-supported alternative to commercial media. We provide citizens with the knowledge they need to make informed decisions; convene community dialogue; bring the arts to everyone; and engage audiences to share their stories.</p>