con2aqi: Calculate the AQI from Pollutant Concentration

In con2aqi: 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<[e-mail]>, Ziqiang Lin<[e-mail]>, Yuantao Hao<[e-mail]>

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

Example output

aqi 
126 
aqi 
148 
aqi 
102 
aqi 
 90 

con2aqi documentation built on May 1, 2019, 10:01 p.m.