LOS GATOS (KPIX 5) — Health departments in the nine Bay Area counties are urging the public to prepare for unhealthy air from future wildfires. “Unfortunately, these wildfires and the size and the scope of them have become the new normal here in the Bay Area,” said Dr. Jan Gurley of the San Francisco Public Health Department. The devastating fires in Northern California the last two years led to health emergencies for some people and difficulty in breathing for many others due to bad air quality from the smoke. “Oh, it was terrible. You couldn’t see more than a half mile. I do a lot of hiking and it was hard to breathe,” said Jeff Gasik of Saratoga. Bay Area public health officials have come up with some new guidelines to help people in air quality emergencies. When smoke filled the bay, most people donned masks or bandanas, thinking they would filter out the tiny smoke particles that can lodge deep in your lungs and lead to respiratory problems, especially for children and older folks. “If you’re wearing a bandana or one of those pleated masks that goes around your ears, it is doing you zero good. Zero,” said Dr. Gurley. She also said the N-95 respirators have to be perfectly ...