The Detwiler Fire in Mariposa County began July 16, 2017/ Now it is dropping ash in Fresno County and harming air quality.
The Detwiler Fire in Mariposa County began July 16, 2017/ Now it is dropping ash in Fresno County and harming air quality. CAL FIRE
The Detwiler Fire in Mariposa County began July 16, 2017/ Now it is dropping ash in Fresno County and harming air quality. CAL FIRE

Did you wake up to falling ash? You may want to head back inside, air officials say

July 17, 2017 1:23 PM