A library to convert between AQI value and pollutant concentration (µg/m³ or ppm)

## Project description

A library to convert between AQI value and pollutant concentration (µg/m³ or ppm) using the following algorithms:

• United States Environmental Protection Agency (EPA)

• China Ministry of Environmental Protection (MEP)

## Install

$pip install python-aqi ## Usage ### Library Convert a pollutant to its IAQI (Intermediate Air Quality Index): import aqi myaqi = aqi.to_iaqi(aqi.POLLUTANT_PM25, '12', algo=aqi.ALGO_EPA) Get an AQI out of several pollutant concentrations, default algorithm is EPA: import aqi myaqi = aqi.to_aqi([ (aqi.POLLUTANT_PM25, '12'), (aqi.POLLUTANT_PM10, '24'), (aqi.POLLUTANT_O3_8H, '0.087') ]) Convert an IAQI to its pollutant concentration: import aqi mycc = aqi.to_cc(aqi.POLLUTANT_PM25, '22', algo=aqi.ALGO_EPA) ### Command line List supported algorithms and pollutants: $ aqi -l
aqi.algos.epa: pm10 (µg/m³), o3_8h (ppm), co_8h (ppm), no2_1h (ppb), o3_1h (ppm), so2_1h (ppb), pm25 (µg/m³)
aqi.algos.mep: no2_24h (µg/m³), so2_24h (µg/m³), no2_1h (µg/m³), pm10 (µg/m³), o3_1h (µg/m³), o3_8h (µg/m³), so2_1h (µg/m³), co_1h (mg/m³), pm25 (µg/m³), co_24h (mg/m³)

Convert PM2.5 to IAQI using EPA algorithm:

$aqi aqi.algos.epa pm25:12 50 Convert PM2.5 to IAQI using EPA algorithm (full length): $ aqi -c aqi aqi.algos.epa pm25:12
50

Convert pollutants concentrations to AQI using EPA algorithm:

$aqi aqi.algos.epa pm25:40.9 o3_8h:0.077 co_1h:8.4 114 Convert pollutants concentrations to AQI using EPA algorithm, display IAQIs: $ aqi -v aqi.algos.epa pm25:40.9 o3_8h:0.077 co_1h:8.4
pm25:102 o3_8h:104 co_1h:90
114

Convert PM2.5 IAQI to concentration using EPA algorithm:

## Test

Test the package:

$python -m unittest discover Automatic testing in various environments: $ tox

## Release

Use bumpr to release the package:

\$ bumpr -b -m

## Resources

python-aqi is published under a BSD 3-clause license, see the LICENSE file distributed with the project.

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