NO2 Status Survey Klagenfurt — Völkermarkterstrasse 2005

In the Air Immission Protection Act (IG-L) limit values are given in Annex 1 for various air pollutants for the protection of human health. For nitrogen dioxide (NO2): two limit values set; an annual average of 30 μg/m³ with a time-variable margin of tolerance and a half-hour average of 200 μg/m³.为保护人体健康，《大气排放防护法》（IG-L）的附件1中针对各类空气污染物规定了限值标准。其中针对二氧化氮（NO₂），共设定两项限值：年平均浓度为30微克每立方米，附带随时间变化的容差余量；以及半小时平均浓度为200微克每立方米。