An Aero-Laser AL5001 instrument for the measurement of carbon monoxide mixing ratios in background air has been installed at the National Centre for Atmospheric Science (NCAS) Cape Verde Atmospheric Observatory (CVAO) since October 2006 and there are no plans for the measurements to stop in the foreseeable future.

Daiken Southland Limited is a wood processing company that uses pine trees to manufacture Medium Density Fibreboard (MDF).

The French research station Dumont d'Urville is located on the Île des Pétrels in Adélie Land in Antarctica (66°39'46"S - 140°00'06"E).

The meteorological observatory on the Hohenpeissenberg (1000 m a.s.l.) in southern Germany is the oldest mountain observatory worldwide.

Houston, Texas - Urban air quality studies

The Schneefernerhaus, Germany's highest meteorological research station (2650 a.s.l.), is located near to germany's highest summit, the Zugspitze.

The Seoul Metropolitan Quality Research Institute of Public Health and Environment runs several air quality monitoring stations in the greater urban area of Seoul, Republic of Korea.