ثنائي أكسيد النيتروجين
The Government of Nunavut Department of Environment launched the federal Air Quality Health Index (AQHI) program in Iqaluit, Kugluktuk and Arviat in 2018. The most common air contaminants there are fine and coarse particulate matter, Total Suspended Particulate, Nitrogen dioxide, Sulphur dioxide and ground-level ozone.