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Have you ever had a Bad Air Day? How bad was it? What exactly does it feel like to live with air pollution?0000017c-7f7e-d4f8-a77d-fffffe0d0000Through our partnership with the Public Insight Network, we're encouraging Cache County residents to talk about their experiences with air pollution in the valley and we're giving you a space to ask questions about air pollution. Your stories and questions will help shape our coverage of this complicated and important topic.Having a Bad Air Day? Tell us about it.Read more about the project at the Public Insight Networks' blog.

Utah Division Of Air Quality Issues Mandatory Action Requirements

air quality, mandatory action
UTAH DIVISION OF AIR QUALITY

As a familiar winter haze settles over the state, the Utah Division of Air Quality hasissued mandatory action warnings for five Utah Counties. The use of wood stoves and fireplaces is prohibited in Cache, Box Elder, Salt Lake and Davis counties, as well as Utah and Weber counties until the Department of Environmental Quality lifts the limit with the improvement of air quality.

Utah Division of Air Quality Environmental Scientist Ken Simmons said the early warnings were issued to inform the public.

"The reason we've issued the warnings is to try and be proactive, to try to do what we can to warn the public, or let the public know that there are steps that they can take to try and reduce the concentrations of particulates that are building up in the valley due to the inversion," he said.

The hope, Simmons said, is to reduce particulate matter in the air that can be especially harmful to people with asthma as well as young children and the elderly.
Inversions are at their thickest when temperatures are cold, snow is on the ground, and high pressure settles on the state.
"That acts as a lid, or a barrier, and it won't let the cold air dissipate, or continue to travel upwards," he said. "So everything that's in that cold air concentrates. The pollutants concentrate, and that's what gives you the haze and the elevated particulate levels."
The inversion is expected to get worse until a storm rolls through the state, mixing the trapped air with fresh, clear air.
The Division suggests reducing driving during air quality warnings.