Special Statement 
Air Quality Alert is in effect for Mariposa, and the foothills and mountains of Stanislaus, Merced, Madera, Fresno, and Tulare counties due to smoke impacts from the Ferguson Fire. For air quality forecasts for Sierra Forest and Yosemite Park go to this link: https://wildlandfiresmoke.net/outlooks/YosemiteArea

Fire 
Fire spread into receptive fuel along with necessary firing operations produced some fire activity Wednesday. An inversion present in the morning lifted in the afternoon. This feature will once again be present today. Additional growth will occur due to continuation of critical firing and interior burning.

Smoke 
An inversion will persist through late morning. Expect smoke movement upriver and valley drainages with east upslope during the afternoon. Smoke reverses course at night, with drainage to lower elevations and foothills, expect limited night time surface air quality improvement at higher elevations and elevated basins. This pattern should continue until week's end.

Other 
Note: This air quality forecast reflects only particulate matter - not Ozone.