Berkeley will end its mask requirement when the rest of Alameda County reaches low case rates and high vaccination levels.
The Red Flag Warning due to low humidity and windy conditions will be in place Sunday evening through Monday evening.
On bad air days, schools are instructed to close windows and doors and let the air purifiers work. But during the pandemic, that solution comes with its own problems.
Dry thunder and lightning expected in Berkeley and the East Bay beginning Thursday evening could cause wildfires in the hills, the National Weather Service advised in a Red Flag warning.
Workers at those businesses and several others will also be required either to get vaccinated or receive weekly COVID-19 tests.
Air quality is expected to be unhealthy for sensitive groups in much of the Bay Area, and unhealthy for everyone at higher elevations.
How do wildfires affect air pollution? How bad is smoke for my health? How do I track air quality and protect myself from smoke?
Berkeley mayor Jesse Arreguín said he wants the city to require its workers to receive COVID-19 vaccines, or be tested for the virus regularly.
Everyone in Berkeley, Alameda County and in six other Bay Area counties must wear a face covering when they gather indoors starting at 12:01 a.m. Tuesday.
Every East Bay restaurant and bar that requires vaccination proof, negative testing, or other COVID-19 protections.
East Bay restaurants and bars have resorted to a patchwork of rules in the absence of official restrictions.
Palmetto and the Kon-Tiki will require all patrons to provide proof of vaccination or a negative COVID-19 test.