Dust and Haze
Image of the Day Atmosphere
This map shows the global distribution of aerosols in August 2010, and the proportion of those aerosols that are large or small.
Image of the Day Atmosphere Human Presence
Solid particles and liquid droplets in the air come in a range of sizes, but those smaller than 2.5 micrometers pose the greatest risk to human health.
New research shows that the amount, size, and source of aerosol particles hovering in the air over India changes by season.
Kaufman served as program manager for NASA’s Earth Observatory from its launch in April 1999, through January 2006.