Smoke Plumes Agricultural fire near Rennes, July 2019.FIRESCAN, Bor Forest Island Fire Experiment, 1996. Photo by courtesy by J. Goldammer.Grassland fire near rail tracks, 2020.International Crown Fire Modeling Experiment, July 1998.Red Lake fire, 1986. Photo of courtesy by B.J. Stocks.Pyrocumulonimbus generated by a wildfire, June 2004.Surface fire in Russian forest. Photo of courtesy by A. Soja. Weather Stations Air Quality Monitoring Last Modified on 3 May 2021