The wildfire smoke cover the city in SF, lung cancer paitent have difficult to breath August 16 2022, 4 Comments

There is wildfire smoke to cover the city in SF today. This is a air pollution to increase the number of lung cancer in next 10 years same as in both China and India. The people should wear good quality of mask, such as our nose mask with HEPA and activated carbon fiber filter with no air leaking.