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Download criteria pollutants from CETESB QUALAR

Source: R/cetesb_retrieve_pol.R
cetesb_retrieve_pol.Rd

This function download the criteria pollutants from one air quality station (AQS) of CETESB AQS network. It will pad out the date with missing data with NA. This function required to have an account in CETESB QUALAR.

Usage

cetesb_retrieve_pol(
  username,
  password,
  aqs_code,
  start_date,
  end_date,
  verbose = TRUE,
  to_csv = FALSE,
  csv_path = ""
)

Arguments

username

User name of CETESB QUALAR

password

User name's password of CETESB QUALAR

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

csv_path

Path to save the csv file

Value

data.frame with O3, NO, NO2, PM2.5, PM10 and CO information. Units are ug/m3 except for CO which is in ppm, and NOx which is in ppb.

Examples

if (FALSE) {
# Downloading criteria pollutants from Pinheiros AQS
# from January first to 7th of 2020
my_user_name <- "John Doe"
my_pass_word <- "drowssap"
pin_code <- 99 # Check with cetesb_aqs
start_date <- "01/01/2020"
end_date <- "07/01/2020"

pin_pol <- cetesb_retrieve_pol(my_user_name, my_pass_word, pin_code,
                               start_date, end_date)

}