london_nox_data: Example observation data for the aqtrends package
In pollylang/aqtrends: Tools for trend analysis of air quality network data

Monthly mean NOx concentration data measured at 115 London roadside monitoring sites between 2000-01-01 and 2017-12-31.

1	london_nox_data

A data frame with 11718 rows and 8 variables:

site_code: Unique site code of the monitoring site at which measurement was made
site_name: Name of monitoring site
site_type: Site classification (all are Urban_traffic i.e. roadside sites)
latitude: Latitude of monitoring site
longitude: Longitude of monitoring site
date: Date of measurement - aggregated to monthly resolution
variable: Pollutant measured (NOx for all observations)
value: Monthly mean value of variable measured in ugm-3

The observations data were sourced from the Automatic Urban and Rural Network, the London Air Quality Network, and Air Quality England. All data are publicly available under the Open Government Licence (OGL). © Crown 2018 copyright Defra via uk-air.defra.gov.uk, licenced under the Open Government Licence (OGL).

pollylang/aqtrends documentation built on May 20, 2019, 8:24 p.m.