Skip to contents

Download a single parameter from CETESB QUALAR system

Source: R/cetesb_retrieve.R
cetesb_retrieve.Rd

This function download one parameter from one air quality stations (AQS) of CETESB AQS network. It will pad out the date with missing data with NA.

Usage

cetesb_retrieve(
  username,
  password,
  pol_code,
  aqs_code,
  start_date,
  end_date,
  verbose = TRUE,
  to_csv = FALSE
)

Arguments

username

User name of CETESB QUALAR

password

User name's password of CETESB QUALAR

pol_code

Code of parameter

aqs_code

Code of AQS

start_date

Date to start downloading in dd/mm/yyyy

end_date

Date to end downloading in dd/mm/yyyy

verbose

Print query summary

to_csv

Creates a csv file. FALSE by default

Value

data.frame with the selected parameter information

Examples

if (FALSE) { # \dontrun{
# Downloading Ozone information from Pinheiros AQS
# from January first to 7th of 2020
my_user_name <- "John Doe"
my_pass_word <- "drowssap"
o3_code <- 63  # Check with cetesb_param
pin_code <- 99 # Check with cetesb_aqs
start_date <- "01/01/2020"
end_date <- "07/01/2020"

pin_o3 <- cetesb_retrieve(my_user_name, my_pass_word, o3_code, pin_code,
                          start_date, end_date)

} # }