rovides current air quality and pollutant concentration information for US cities by Zip Code

This easy-to-use API provides air quality information for cities and locations within the United States, including the calculated Air Quality Index, a measure indicating air pollution concentration levels across several pollutants. The index provides real-time data collected from air monitoring stations all over the US for a color-coded mechanism to indicate current levels of air pollution where you live or anywhere you or customers have interest in.