Carbon dioxide

Colorless odorless asphyxiant gas.

Heavier than air, density = 1,98 kg/m3

Health exposure limits (Directive 2006/15/EC):
8 hours TWA = 5000 ppm (9000 mg/m3)

Categories of outdoor air according to EN13779

Category
Description
CO2 level ppm
IDA 1
High indoor air quality
< 400
IDA 2
Medium indoor air quality
400-600
IDA 3
Moderate indoor air quality
600-1000
IDA 4
Low indoor air quality
> 1000

Carbon dioxide