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https://github.com/cedargrovestudios/circuitpython_airqualitytools

A collection of CircuitPython helpers used for the calculation of PM2.5 and CO2 air quality levels.
https://github.com/cedargrovestudios/circuitpython_airqualitytools

air-quality air-quality-index aqi circuitpython circuitpython-community-bundle iaq indoor-air-quality language-translator

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A collection of CircuitPython helpers used for the calculation of PM2.5 and CO2 air quality levels.

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README

        

Introduction
============

.. image:: https://img.shields.io/discord/327254708534116352.svg
:target: https://adafru.it/discord
:alt: Discord

.. image:: https://github.com/CedarGroveStudios/CircuitPython_AirQualityTools/workflows/Build%20CI/badge.svg
:target: https://github.com/CedarGroveStudios/CircuitPython_AirQualityTools/actions
:alt: Build Status

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:alt: Code Style: Black

A collection of CircuitPython helpers used for the calculation of PM2.5 and CO2 air quality levels.

``CO2_IAQ`` calculates the Indoor Air Quality Index (IAQ) as derived from a CO2 ppm
concentration measurement. Returns a data valid flag, CO2 input concentration
value, the RGB warning color integer value, and the corresponding US English
description or warning.

``PM25_AQI`` calculates EPA Air Quality Index (AQI) as derived from PM2.5
particulate concentration. Returns a data valid flag, calculated air quality
index, the RGB warning color integer value, and the corresponding US English
description or warning.

``Translate`` is a collection of description translators. English, Deutsch
(German), Español (Spanish), Français (French), and Pirate are currently supported.

.. image:: https://github.com/CedarGroveStudios/CircuitPython_AirQualityTools/blob/main/media/WARNING.jpg

Dependencies
=============
This driver depends on:

* `Adafruit CircuitPython `_

Please ensure all dependencies are available on the CircuitPython filesystem.
This is easily achieved by downloading
`the Adafruit library and driver bundle `_
or individual libraries can be installed using
`circup `_.

Installing to a Connected CircuitPython Device with Circup
==========================================================

Make sure that you have ``circup`` installed in your Python environment.
Install it with the following command if necessary:

.. code-block:: shell

pip3 install circup

With ``circup`` installed and your CircuitPython device connected use the
following command to install:

.. code-block:: shell

circup install cedargrove_airqualitytools

Or the following command to update an existing version:

.. code-block:: shell

circup update

Usage Example
=============

.. code-block:: python

from cedargrove_airqualitytools.pm25_aqi import pm25_ppm_to_quality
from cedargrove_airqualitytools.co2_iaq import co2_ppm_to_quality
from cedargrove_airqualitytools.translate.english_to_francais import interpret

TRANSLATE = True # Enable language translator

# Read some sensor values
PM25_CONCENTRATION = 10 # PM2.5 concentration of 10ppm; GOOD AQI
CO2_CONCENTRATION = 1450 # CO2 concentration of 1450ppm; POOR IAQ

# Calculate the quality and description
_, aqi_value, _, aqi_desc = pm25_ppm_to_quality(PM25_CONCENTRATION)
_, iaq_value, _, iaq_desc = co2_ppm_to_quality(CO2_CONCENTRATION)

# Print the AQI, description, and translation
print(f"PM2.5 AQI = {aqi_value} : {aqi_desc}")
print(interpret(TRANSLATE, aqi_desc))

# Print the IAQ, description, and translation
print(f"CO2 IAQ = {iaq_value} : {iaq_desc}")
print(interpret(TRANSLATE, iaq_desc))

Documentation
=============
API documentation for this library can be found on `Read the Docs `_.

For information on building library documentation, please check out
`this guide `_.

Contributing
============

Contributions are welcome! Please read our `Code of Conduct
`_
before contributing to help this project stay welcoming.