airnow_downloadSites: Download AirNow Site Location Metadata

In PWFSLSmoke: Utilities for Working with Air Quality Monitoring Data

Description

The https://airnowtech.org site provides both air pollution monitoring data as well as monitoring site location metadata. This function retrieves the most recent version of the site location metadata file and returns it as a dataframe.

A description of the data format is publicly available at the Monitoring Site Fact Sheet.

Usage

airnow_downloadSites(
  baseUrl = "https://files.airnowtech.org/airnow/today/",
  file = "monitoring_site_locations.dat"
)

Arguments

baseUrl	location of the AirNow monitoring site locations file
file	name of the AirNow monitoring site locations file

Value

Tibble of site location metadata.

Note

As of December, 2016, the monitoring_site_locations.dat file has an encoding of "CP437" (aka "Non-ISO extended-ASCII" or "IBMPC 437") and will be converted to "UTF-8" so that French and Spanish language place names are properly encoded in the returned dataframe.

See Also

airnow_createMetaDataframes

Examples

## Not run: 
# Fail gracefully if any resources are not available
try({

sites <- airnow_downloadSites()

}, silent = FALSE)

## End(Not run)

PWFSLSmoke documentation built on Nov. 23, 2021, 5:06 p.m.