AEUS73 KOAX 151413 AQIOAX Omaha Pollution Index/Pollen Count National Weather Service Omaha/Valley NE 913 AM CDT Wed Apr 15 2026 The Omaha metropolitan area pollutant standards index for today is 41, which represents good air quality, with ozone the main pollutant. The forecast for Thursday is 44, considered good air quality, with ozone the primary pollutant. The pollen count today for trees was 791, a high count, with cottonwood, oak, and hackberry the primary pollens. The pollen count today for weeds was 0. The pollen count today for grass was 2, a low count. Air pollution forecasts and pollen counts are provided by the Douglas County Health Department. $$