the numbers we look at is how many small businesses in ansan sco or how many businesses period are operational and remain i operational. ink jeremy brings us a great point. businesses that are open right now, small businesses but bleeding out cash and the reason they are ened to maintain the customer base and maintain the fan loyalty and maintain the brand and it is not sustainable for them. le to survive and as new ses be businesses relaunch, how long will they stay in business or get shut down after a second wave of infections outbreaks. we track the daily numbers to see whether an economy is going to be sustainable overe long term. >> jay change, public policy director at the san francisco chamber of commerce jeremy owens san frcisco chief and tech editor for mart watch. gentlemen thank you for joining us today. >> thanks for having us. >> this week the california departmen of edation unveiled guidelines on what school districts should do to prepare for students returning to classes in the fall. among the recommendations, face coverings worn by teacrs at all times and hand shg stations and,

along the north bay coast, but about 15, say about 20, 25 degrees warmer in your valleys from 88 in is ansan rafael, and neck on land todain oakland. and 90 to 95 in union city, we'll have to pay to stay comfortable in the east bay valleys for the next several days with high in the 90s. tonight very comfortable once agin falling back into the 50 o especially in the north bay where the breezes and a few clouds along the coast. and the 7 day forecast, we go from a low risk of heat illness today to moderate risk tomorrow. and then we'll stay kind of in the low to mid-90s inland all seven days with upper 70s, even a few mid-80s around the bay. the best weather for comfort, at the coast. 60s to barely 70s. >>> and now we'll bring in ginger zee with a look at what is happening on gma at 7:00 this morning. >> good morning. erydy including the wild fires from california down to arizona and the coronavirus emergency, a record breaking rise for arizona, texas and florida all reporting their largest one day increases in covid-19. some of the hospitals are reporting being overwhelmed. and there was an o