Wohnzimmer: CO2 751 ppm

KW 20 2026 391 ppm ∅ 666 ppm 1115 ppm

0 ppm 200 ppm 400 ppm 600 ppm 800 ppm 1000 ppm 1200 ppm 631 642 668 649 634 793 647
KW 19 2026 KW 21 2026