aqs_monitors_by_state: aqs_monitors_by_state

In RAQSAPI: A Simple Interface to the US EPA Air Quality System Data Mart API

Description

\lifecycle

stable Returns a table of monitors and related metadata at sites with the provided parameter, and stateFIPS for bdate - edate time frame.

Usage

aqs_monitors_by_state(
  parameter,
  bdate,
  edate,
  stateFIPS,
  cbdate = NA_Date_,
  cedate = NA_Date_,
  return_header = FALSE
)

Arguments

parameter	a character list or a single character string which represents the parameter code of the air pollutant related to the data being requested.
bdate	a R date object which represents that begin date of the data selection. Only data on or after this date will be returned.
edate	a R date object which represents that end date of the data selection. Only data on or before this date will be returned.
stateFIPS	a R character object which represents the 2 digit state FIPS code (with leading zero) for the state being requested. @seealso aqs_states() for the list of available FIPS codes.
cbdate	a R date object which represents a "beginning date of last change" that indicates when the data was last updated. cbdate is used to filter data based on the change date. Only data that changed on or after this date will be returned. This is an optional variable which defaults to NA_Date_.
cedate	a R date object which represents an "end date of last change" that indicates when the data was last updated. cedate is used to filter data based on the change date. Only data that changed on or before this date will be returned. This is an optional variable which defaults to NA_Date_.
return_header	If FALSE (default) only returns data requested. If TRUE returns a AQSAPI_v2 object which is a two item list that contains header information returned from the API server mostly used for debugging purposes in addition to the data requested.

Value

a tibble or an AQS_Data Mart_APIv2 S3 object of monitors from the selected state

by_state aggregate functions

NA

See Also

Other Aggregate_by_state functions: aqs_annualsummary_by_state(), aqs_dailysummary_by_state(), aqs_qa_blanks_by_state(), aqs_qa_collocated_assessments_by_state(), aqs_qa_flowrateaudit_by_state(), aqs_qa_flowrateverification_by_state(), aqs_qa_one_point_qc_by_state(), aqs_qa_pep_audit_by_state(), aqs_sampledata_by_state()

Examples

# returns a tibble of SO2 monitors in Hawaii
          #  that were operating on May 01, 2015
 ## Not run: aqs_monitors_by_state(parameter="88101",
                                  bdate=as.Date("20170101",
                                                 format="%Y%m%d"),
                                  edate=as.Date("20171231",
                                                 format="%Y%m%d"),
                                  stateFIPS="01"
                                  )
          
## End(Not run)

RAQSAPI documentation built on Jan. 29, 2022, 1:08 a.m.