Ah, with the wind changing directions and cold temperatures, everything smells of burnt wood once you open the window. So many “healthy” carzinogens in the air. In Germany, in the 2020s.

Graph: PM2.5 and PM10 measurements from our own sensor showing a steep gain to fine particles in the air at around 6pm yesterday, up to 18 PM2.5 and 40 PM10. PM2.5 values hover around 8 and PM10 values around 20.