AEUS73 KOAX 181407 AQIOAX Omaha Pollution Index/Pollen Count National Weather Service Omaha/Valley NE 907 AM CDT Mon May 18 2026 The Omaha metropolitan area pollutant standards index for today is 39, which represents good air quality, with particulates the main pollutant. The forecast for Tuesday is 43, considered good air quality, with particulates the primary pollutant. The pollen count today for trees was 69, a moderate count, with mulberry and walnut the primary pollens. The pollen count today for weeds was 2, a low count. The pollen count today for grass was 12, a moderate count. Air pollution forecasts and pollen counts are provided by the Douglas County Health Department. $$