Wohnzimmer: CO2 775 ppm

KW 41 2026 394 ppm ∅ 621 ppm 1195 ppm

0 ppm 200 ppm 400 ppm 600 ppm 800 ppm 1000 ppm 1200 ppm 636 704 662 642 525 527 654
KW 40 2026 KW 42 2026