polar_data: Example data for polar mapping functions
In openairmaps: Create Maps of Air Pollution Data

polar_data

R Documentation

Example data for polar mapping functions

Description

The polar_data dataset is provided as an example dataset as part of the openairmaps package. The dataset contains hourly measurements of air pollutant concentrations, location and meteorological data.

Format

Data frame with example data from four sites in London in 2009.

date: The date and time of the measurement
nox, no2, pm2.5, pm10: Pollutant concentrations
site: The site name. Useful for use with the popup and label arguments in openairmaps functions.
latitude, longitude: Decimal latitude and longitude of the sites.
site.type: Site type of the site (either "Urban Traffic" or "Urban Background").
wd: Wind direction, in degrees from North, as a numeric vector.
ws: Wind speed, in m/s, as numeric vector.
visibility: The visibility in metres.
air_temp: Air temperature in degrees Celcius.

Details

polar_data is supplied with the openairmaps package as an example dataset for use with documented examples.

Source

polar_data was compiled from data using the openair::importAURN() function from the openair package with meteorological data from the worldmet package.