Fig. 1From: The associations between daily spring pollen counts, over-the-counter allergy medication sales, and asthma syndrome emergency department visits in New York City, 2002-2012Time-series plots of OTC allergy medication sales, asthma syndrome ED visits, pollen (ash is shown), weather, and air pollution, during March 1 and June 10th, 2002-2012. The red horizontal dotted line for ash plot indicates 98th percentile levelBack to article page