EPA: Wasatch Front air now in compliance with pollution standards

Years of investments in emission reductions and cleaner fuels have improved Utah’s air quality to a point that federal authorities on Tuesday declared the Wasatch Front’s air quality “in attainment” for particulate matter, the gritty pollution that often fills the valleys during wintertime inversions.While state officials crowed about Utah’s progress, clean air advocates say the Salt Lake Valley’s airshed still has an unacceptable pollution load, with more ind