As the fire crews try to slow down the fires in Pole Creek and Bald Mountain, which grew by more than 17,000 acres Friday night to Saturday, a new fire in Herriman ignited, burning homes and forcing evacuations.
On Saturday afternoon, the fires in Pole Creek and Bald Mountain in Utah and Juab had grown to a total of 86,107 acres. According to a press release issued by the Sheriff's Office in Utah, in addition to those who live along the US 89 from Nebo Creek to Thistle Junction, around 6,000 people living in the Woodland Hills, Elk Ridge, and Covered Bridge communities have been displaced ,
Those living in the Diamond Fork Canyon and Sheep Creek area were notified prior to evacuation, according to the release.
The fire also forced the officers to close US 6 on Saturday through the Spanish Fork Canyon. U.S. 89 in this area remains closed from Milestone marker 312 at Thistle Junction to the Utah-Sanpete County line.
Hundreds of Type 1 firefighters poured into the fire area on Saturday to quell the fire, but according to the fire officials, strong winds could complicate crew efforts.
In the meantime, firefighters were called out at around 13:50 in Herriman, United Firefighter Authority. to fight a "fast-moving, wind-driven" grass fire in Butterfield Canyon. Residents living in the Hi Country Estates Phase 1 neighborhood have been evacuated. The road that leads into the neighborhood has been closed on the Herriman Highway 7300.
UFA spokesman Matthew McFarland said the fire is amplified by 30 to 40 mph gusts of wind. Salt Lake County Emergency Management reported that the fire destroyed two houses and several outbuildings.
About 150 people were assigned to fight this fire, the spokesman said. One of these firefighters was injured according to emergency management.
Magna's Great Salt Lake State Park was also closed and evacuated due to an approaching fire, according to its website. The fire was first reported shortly before 15.00. at 11800 West and Interstate 80, after a 911 dispatcher.
The fires will have degenerate air quality levels in the state, with modest levels of particulate matter within a 24-hour period registered in the counties of Salt Lake, Tooele and Washington as well as in Lindon in Utah County on Saturday, according to the Utah Ministry of Environment Quality. The brunt of the dirty air in the Wasatch Front was cleared into the afternoon, although the Washington, Weber and Iron counties all had moderate air pollution levels from 16:45.
Tooele County had the worst air quality values at that time, with particulate matter reaching 111.6 micrograms per cubic meter, far exceeding the unhealthy air quality index range.
The Utah County Health Department has issued a Wildfire Smoke Advisory for the county. According to state fire officials, much of the smoke has traveled northeast from the Pole Creek and Bald Mountain Fireplaces and has settled in the Strawberry Reservoir, Heber Valley and the Uinta Basin.
Air quality is expected to be worst on Sunday morning before clearing out in the late morning and afternoon. Forecastors predict that the wind will carry the smoke to the southwest in Wyoming.
Correction: 17:20, 15 September 2018 • An earlier version of this story failed to identify which areas recorded moderate levels of particulate matter over a 24-hour period.