Air quality measurement, without the sensors.
This casual .NET side-project implements a proximity-based approximation of air quality calculation (currently only for New South Wales, Australia). Given your latitude and longitude, it will find the nearest sensor readings using the government's Air Quality Data API.
It combines these readings by calculating their distance from your position, weighting readings from sensors nearest to you using the Haversine formula. With this, the inverse distance provides a weight, and that all gets mashed together into a final number.
Licensed as copyleft under the GNU General Public License v3.0. Because sharing is caring! :)
Users must note though that any data accessed are owned by DPIE and protected by Crown Copyright, unless credited otherwise. These are licensed under the Creative Commons Attribution 4.0 International (CC BY 4.0), subject to the State of New South Wales Crown requirements.