If you're having spring allergies -- we are here! -- you might be one of the many people who look to the internet, or listen up when Morning Edition gives information on pollen levels.

That information usually comes to us through a website, AAAAI.org, run by the American Academy of Allergy, Asthma & Immunology. And the one person doing the counting for 8 million inhabitants of New York City is Dr. Guy Robinson. 

Dr. Robinson spoke with WNYC Morning Edition host Michael Hill.