Description Usage Arguments Value Examples
This function downloads air data for EPA.
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year |
EPA offers data from 1990-2014, default is 2002 |
type |
o3, so2, co, no2, pm25, pm25a, pm10, pm25spec, wind, temp, bp, rhdp, haps, vocs, lead |
freq |
daily, or hourly |
keepcsv |
Whether to keep the csv data; default is FALSE |
A rda file in current directory
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