epa_parseData: Parse EPA data

In PWFSLSmoke: Utilities for Working with Air Quality Monitoring Data

Description

This function uncompress previously downloaded air quality .zip files from the EPA and reads it into a tibble.

Available parameters include:

1. Ozone

2. SO2

3. CO

4. NO2

5. PM2.5

6. PM10

7. Wind

8. Temperature

9. Barometric_Pressure

10. RH_and_Dewpoint

11. HAPs

12. VOCs

13. NONOxNOy

Associated parameter codes include:

1. 44201 – Ozone

2. 42401 – SO2

3. 42101 – CO

4. 42602 – NO2

5. 88101 – PM2.5

6. 88502 – PM2.5

7. 81102 – PM10

8. SPEC – PM2.5

9. WIND – Wind

10. TEMP – Temperature

11. PRESS – Barometric Pressure

12. RH_DP – RH and dewpoint

13. HAPS – HAPs

14. VOCS – VOCs

15. NONOxNOy

Usage

epa_parseData(zipFile = NULL)

Arguments

zipFile

absolute path to monitoring data .zip file

Value

Tibble of EPA data.

Note

Unzipped CSV files are almost 100X larger than the compressed .zip files. CSV files are removed after data are read into a dataframe.

References

EPA AirData Pre-Generated Data Files

file format description

Examples

## Not run: 
# Fail gracefully if any resources are not available
try({

zipFile <- epa_downloadData(2016, "88101", '~/Data/EPA')
tbl <- epa_parseData(zipFile, "PM2.5")

}, silent = FALSE)

## End(Not run)

PWFSLSmoke documentation built on Nov. 23, 2021, 5:06 p.m.