AtmoViz

AtmoViz is an open-source, browser-based tool for exploring geolocated environmental measurements collected while moving through a place. It reads GPS routes and sensor logs (temperature, humidity, pressure, volatile organic compounds, particulate matter PM1, PM2.5 and PM10, an air-quality score and the derived dew point) from CSV or Excel files, and replays them on an interactive map with a time-travel timeline, as a path, as points or as a density heatmap. Each reading is classified against health thresholds that depend on the user’s risk profile (standard adult, asthmatic person, child, athlete), so that the same concentration is read differently depending on who is breathing the air. The tool also overlays geotagged photographs, including FLIR thermal images, on the map, provides summary statistics and correlations between metrics, and exports a PDF report with a map snapshot, trend charts and a statistics table. All processing is carried out locally in the browser: measurement files and photos are never uploaded, and the base map is loaded from a third-party provider only after explicit user consent. AtmoViz is released under the GNU GPL v3 or later and archived on Zenodo.