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DNR Asks Iowans to be Air Aware

DNR Asks Iowans to be Air Aware

  • 4/28/2016 8:38:00 AM
  • View Count 4151
DES MOINES — As temperatures warm and Iowans head outdoors, they can usually count on good air quality. In fact, Iowa’s air quality has significantly improved. Since 1990, sulfur dioxide emission have decreased by 60 percent and nitrogen oxides are down 43 percent, while the number of emission sources, the population and the number of industries have increased.