Green Car Congress

JUNE 27, 2014

After ten years in orbit, the Ozone Monitoring Instrument (OMI) on NASA’s Aura satellite has been in orbit sufficiently long to show that people in major US cities are breathing less nitrogen dioxide. The gas is produced primarily during the combustion of gasoline in vehicle engines and coal in power plants.

Ozone 210

Ozone Maryland Pollution 2005 210

Green Car Congress

JULY 2, 2014

The Afternoon Constellation, so named because it crosses the equator at approximately 1:30 PM local time every day, consists of five existing satellites in tight formation, collecting simultaneous data on aerosols, clouds, cloud ice, carbon sinks, carbon sources, ozone, particulates, and atmospheric water vapor.

Carbon 240

Carbon Aura Solar Climate Change 240

Green Car Congress

JUNE 27, 2011

The P-3B, a four-engine turboprop that returned recently from a deployment to the Arctic, will carry a suite of nine instruments, while a smaller two-engine UC-12 (military version of the King Air) will carry two instruments. Both aircraft will measure ozone and a mixture of soot and PM.

Ozone 186

Ozone Maryland Pollution Baltimore 186