Outdoor AirQuality

Know the air pollution levels, in near real-time, at many locations in the world including your own home. Add one or multiple virtual outdoor air quality monitors to Homey. The information is made available free of charge by a number of services. Depending on the service and station you select, the following parameters are provided: * PM1 (particulate matter, available with Luftdaten) * PM2.5 (particulate matter) * PM10 (particulate matter) * CO2 (carbon dioxide, available with Luftdaten) * O3 (ozone) * SO2 (sulfur dioxide) * NO2 (nitrogen dioxide) * CO (carbon monoxide) * BC (black carbon, only available with LuchtmeetnetNL and OpenAQ in certain countries) * Temperature (only available with Luftdaten) * Pressure (only available with Luftdaten) * Humidity (only available with Luftdaten) * Noise (only available with Luftdaten) API Key Notes: * OpenAQ (v3 API): Obtain a free API key at https://explore.openaq.org/register and enter it in the OpenAQ device settings, or leave blank to use the built-in Homey key. * WAQI: Optional custom token in device settings, or leave blank to use the built-in Homey key. This app uses: * OpenAQ API for data retrieval: https://docs.openaq.org/ * Luftdaten / Sensor.Community API for data retrieval: https://sensor.community/en/ * World Air Quality Index (WAQI) API for data retrieval: http://waqi.info/ * Luchtmeetnet NL API for data retrieval: https://api.luchtmeetnet.nl/ * Data provided by the world's Environmental Protection Agencies: http://aqicn.org/sources/