AEUS73 KOAX 181338 AQIOAX Omaha Pollution Index/Pollen Count National Weather Service Omaha/Valley NE 838 AM CDT Thu Apr 18 2024 The Omaha metropolitan area pollutant standards index for today is 41, which represents good air quality, with ozone the main pollutant. The forecast for Friday is 40, considered good air quality, with ozone the primary pollutant. The pollen count today for trees was 359, a high count, with ash and oak the primary pollens. The pollen count for weeds was 0. The pollen count for grass was 0. Air pollution forecasts and pollen counts are provided by the Douglas County Health Department. $$