AEUS73 KOAX 041403 AQIOAX Omaha Pollution Index/Pollen Count National Weather Service Omaha/Valley NE 903 AM CDT Mon May 4 2026 The Omaha metropolitan area pollutant standards index for today is 53, which represents moderate air quality, with particulates the main pollutant. The forecast for Tuesday is 35, considered good air quality, with ozone the primary pollutant. The pollen count today for trees was 501, a high count, with cottonwood, mulberry, and oak 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. $$