Carbon Monoxide Pollution over the United States and Canada

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

Image of the Day Atmosphere Dust and Haze

Smoke over the U.S. Midwest

Acquired June 8, 2011, this natural-color image shows smoke from Arizona wildfires over the U.S. Midwest.

Published Jun 9, 2011

Dust and Haze

Carbon Monoxide from Wallow Fire

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

Atmosphere Dust and Haze

Smoke over Colorado

Acquired June 5, 2011, this natural-color image shows thick smoke from Arizona traveling northward through Colorado.

Published Jun 6, 2011

Atmosphere Land Dust and Haze