Loads pre-generated .RData files containing annual EPA data.
EPA parameter codes include:
88101 -- PM2.5 FRM/FEM Mass (begins in 2008)
88502 -- PM2.5 non FRM/FEM Mass (begins in 1998)
Avaialble RData and associated log files can be seen at: https://haze.airfire.org/monitoring/EPA/RData/
epa_loadAnnual( year = NULL, parameterCode = NULL, baseUrl = "https://haze.airfire.org/monitoring", dataDir = NULL )
year | Desired year (integer or character representing YYYY). |
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parameterCode | Pollutant code. |
baseUrl | Base URL for 'annual' EPA data files. |
dataDir | Local directory containing 'annual' data files. |
A ws_monitor object with EPA data.
EPA AirData Pre-Generated Data Files
if (FALSE) { # Fail gracefully if any resources are not available try({ epa_loadAnnual(2000, "88502") %>% monitor_subset(stateCodes = 'WA', tlim=c(20000701,20000801)) %>% monitor_map() }, silent = FALSE) }