There were 31 days above federal Clean Air Act standards during the inversion season from Nov. 1, 2013, to March 1, 2014, compared to 29 days during the same period the previous season. Government officials have noticed, and are working in the Legislature and elsewhere to set standards and find solutions to clean the air. But for some Utahns a temporary solution comes in the form of a mask, providing comfort in some ways, and health helps in others.
Behind the masks: Why some Utahns choose masks to cope with the dirty air
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Kristin Murphy, Deseret News