Wohnzimmer: CO2 842 ppm

KW 04 2025 389 ppm ∅ 640 ppm 1151 ppm

0 ppm 200 ppm 400 ppm 600 ppm 800 ppm 1000 ppm 1200 ppm 428 415 571 682 836 786 761
KW 03 2025 KW 05 2025