7/30/21 Why don't health authorities ever advise mask wearing to combat smoky air conditions?

Why don't health authorities ever advise mask wearing to combat smoky air conditions? Reusse makes his weekly stop. 2021 now ranks among the driest periods from June/July but does not come close to the drought of 1894 See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.