Pollen counts of 0-30 are considered low, 31-60 is moderate, 61-120 is high. The current pollen count in Atlanta? 1941. This is down from earlier in the week when it peaked at 5733 (
http://www.atlantaallergy.com/pollenCount.aspx ). Major sources of pollen include: ash, birch, cedar, elm, maple, and oak.
I guess this is why the sidewalks have been yellow this week.