The high carbon monoxide concentrations shown in this satellite-based map reflect the poor air quality seen in the central and eastern United States on June 8, 2011.
Published Jun 10, 2011
The highest concentrations of carbon monoxide, a component of smoke, are centered over large fire complexes in Russia in this image that tracks smoke transport across the Arctic.
Published Aug 1, 2009
This map shows concentrations of carbon monoxide—one component of smoke—from June 23–28 across Canada and the northern United States.
Published Jul 9, 2010
This series of images shows high concentrations of carbon monoxide moving across the United States from the Wallow Fire in eastern Arizona between June 3 and June 6, 2011.
Published Jun 9, 2011
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