Metro Atlanta pollen count and allergy index

A passing shower on the first day of spring knocks down a coating of yellow tree pollen that swirls around Dogwood blooms in a water puddle in Newborn. Made with Canon EOS 1DX camera, a 70-210 zoom lens at 180 mm, 1/200 second, F/9, ISO 640.    Curtis Compton / ccompton@ajc.com

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Information: Atlanta Allergy & Asthma's Pollen Counting Station

The Atlanta Allergy & Asthma pollen count measures the number of pollen grains per cubic meter of air over the previous 24 hours. The National Allergy Bureau scale for tree pollens (spring allergens) is Low 0-14, Moderate 15-89, High 90-1499, Extremely High 1500+