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Satellite method provides insight into ozone-NOx-VOCs sensitivity for different locations

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Ozone pollution near Earth’s surface is one of the main ingredients of summertime smog. It is also not directly measurable from space due to the abundance of ozone higher in the atmosphere, which obscures measurements of surface ozone.

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DISCOVER-AQ project to begin flights to enhance measurement of ground-level air-quality from space

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Both aircraft will measure ozone and a mixture of soot and PM. Other instruments on the P-3B will measure pollutants that lead to the formation of ozone such as nitrogen dioxide and formaldehyde. How does ozone, which peaks near the surface in afternoon, behave at other altitudes throughout the day? DISCOVER-AQ instrumentation deployment strategy. Source: NASA. Click to enlarge.

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