Datasets Activity Stream Order by Relevance Name Ascending Name Descending Last Modified Popular Go 1 dataset found Organisations: Environment Protection Authority (EPA) Groups: Water, energy, resources, environment and science Formats: RSS Licenses: Creative Commons Attribution Tags: air pollution Filter Results Recent Air Quality The EPA’s recent air quality data is a RSS feed of hourly updated pollutant concentrations. The following averaging periods are used: hourly averages for particles (PM10)... RSS