Pollen Alerts For Hereford, AZ

Pollen Index: 9.8 Pollen Level: high Predominant Pollen: Ash, Poplar/Aspen/Cottonwood and Cedar/Juniper Concentration of pollen grains in the air for Monday will be falling but will remain in the high range. This lowering of pollen concentrations is a result of rising humidity, weak winds and expected precipitation in the evening which tends to wash pollen out of the air.