Example data for polar mapping functions

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.

Usage

polar_data

Format

An object of class tbl_df (inherits from tbl, data.frame) with 35040 rows and 13 columns.

Source

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

Details

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.

Examples

polar_data
#> # A tibble: 35,040 × 13
#>    date                  nox   no2 pm2.5  pm10 site         lat    lon site_type
#>    <dttm>              <dbl> <dbl> <dbl> <dbl> <chr>      <dbl>  <dbl> <chr>    
#>  1 2009-01-01 00:00:00   113    46    42    46 London Bl…  51.5 -0.126 Urban Ba…
#>  2 2009-01-01 01:00:00    40    32    45    49 London Bl…  51.5 -0.126 Urban Ba…
#>  3 2009-01-01 02:00:00    48    36    43    46 London Bl…  51.5 -0.126 Urban Ba…
#>  4 2009-01-01 03:00:00    36    29    37    NA London Bl…  51.5 -0.126 Urban Ba…
#>  5 2009-01-01 04:00:00    40    32    36    38 London Bl…  51.5 -0.126 Urban Ba…
#>  6 2009-01-01 05:00:00    50    36    33    32 London Bl…  51.5 -0.126 Urban Ba…
#>  7 2009-01-01 06:00:00    50    34    33    36 London Bl…  51.5 -0.126 Urban Ba…
#>  8 2009-01-01 07:00:00    53    34    31    32 London Bl…  51.5 -0.126 Urban Ba…
#>  9 2009-01-01 08:00:00    80    50    27    30 London Bl…  51.5 -0.126 Urban Ba…
#> 10 2009-01-01 09:00:00   111    59    28    32 London Bl…  51.5 -0.126 Urban Ba…
#> # ℹ 35,030 more rows
#> # ℹ 4 more variables: wd <dbl>, ws <dbl>, visibility <dbl>, air_temp <dbl>