aire.zmvm 0.8.0

New features

download_24hr_average Download archives of the 24 hour averages of PM10 and SO2
download_deposition Download Rainfall Samples Archives
download_lead Download Lead Pollution Archives
download_meteorological Download Meteorological Data Archives
download_pollution Download Pollution Archives
download_pressure Download Atmospheric Pressure Archives
download_radiation Download Ultraviolet Radiation Archives
convert_to_index Convert a concentration value to one of 5 categories

The get_*_data functions now use https://github.com/diegovalle/aire.zmvm as referrer
Since there are errors in the wind speed data some functions show a warning or prohibit downloading if certain time ranges are requested

function get_station_imeca for downloading pollution data in IMECAs from each station
get_station_month_data replaces get_station_data_monthly. Allows for downloading daily maximums and daily minimums
get_station_data now can download TMP, WSP, WDR and RH data back to 1986
zones data.frame with the municipios belonging to each geographic zone of Mexico city

Define the geographic zones for measuring pollution in the documentation
Correct the date ranges for the values needed to declare pollution emergencies in the README
Messages about measuring stations no longer included in the index are now shown with message() instead of warning()
Messages about changes in the way the IMECA is computed are now shown with message() instead of warning()
get_station_data no longer gives a warning when downloading data from 2012 to 2015
get_station_data progress bar now works correctly
get_station_month_data warnings when data doesn’t match the archives

get_latest_data is deprecated. You should instead use get_latest_imeca.
get_zone_data is deprecated. You should instead use get_zone_imeca.
get_station_data_monthly is deprecated. You should instead use get_station_month_data.
showWarnings argument to get_zone_imeca was deprecated for show_messages.

New functionality: