| Type: | Package |
| Title: | Calculate the AQI from Pollutant Concentration |
| Version: | 0.1.0 |
| Author: | Zhicheng Du, Ziqiang Lin, Yuantao Hao |
| Maintainer: | Zhicheng Du <dgdzc@hotmail.com> |
| Description: | To calculate the AQI (Air Quality Index) from pollutant concentration data. O3, PM2.5, PM10, CO, SO2, and NO2 are available currently. The method can be referenced at Environmental Protection Agency, United States as follows: EPA (2016) https://www3.epa.gov/airnow/aqi-technical-assistance-document-may2016.pdf. |
| License: | GPL-3 |
| Encoding: | UTF-8 |
| LazyData: | true |
| Imports: | utils |
| NeedsCompilation: | no |
| Packaged: | 2018-08-19 00:13:30 UTC; dgdzc |
| Repository: | CRAN |
| Date/Publication: | 2018-08-20 10:50:03 UTC |
Calculate the AQI from Pollutant Concentration
Description
To calculate the AQI (Air Quality Index) from pollutant concentration data. O3, PM2.5, PM10, CO, SO2, and NO2 are available currently. The method can be referenced at Environmental Protection Agency, United States as follows: EPA (2016) <https://www3.epa.gov/airnow/aqi-technical-assistance-document-may2016.pdf>.
Usage
con2aqi(pollutant,con,type)
Arguments
pollutant |
chatacter, one of the following pollutants: "o3", "pm25", "pm10", "co", "so2", and "no2" |
con |
numeric or numeric vector, concentration of the pollutant, the units of the pollutants are as follows: ppm, microgram per cubic metres, microgram per cubic metres, ppm, ppb, ppb |
type |
character, only for "O3", one of the following types: "8h" and "1h" |
Value
aqi |
air quality index |
Note
Please feel free to contact us, if you have any advice and find any bug!
Reference:
Air Quality Assessment Division, Office of Air Quality Planning and Standards, Environmental Protection Agency, United States. Publication No. EPA-454/B-16-002. https://www3.epa.gov/airnow/aqi-technical-assistance-document-may2016.pdf
Updates:
Updates is coming.
Author(s)
Zhicheng Du<dgdzc@hotmail.com>, Ziqiang Lin<zlin@albany.edu>, Yuantao Hao<haoyt@mail.sysu.edu.cn>
Examples
con2aqi(pollutant="o3",con=0.078,type="8h")#126
con2aqi(pollutant="o3",con=0.162,type="1h")#148
con2aqi(pollutant="pm25",con=35.9)#102
con2aqi(pollutant="co",con=8.4)#90