He was involved in the automation of climate control systems in an office building and set up external sensors. Local equipment often malfunctioned, so we decided to duplicate information from an external digital stream. We chose https://billing.meteoprog.com/geocoding-api for this purpose, because there are clear metrics for solid particles. The program requests updates four times a day, which is quite enough to adjust the ventilation operation. The result met expectations, and the discrepancies with reality were minimal.