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

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Both are represented in the study by a major gas of each type, the VOC formaldehyde and NO 2 , that are measureable from space by the Dutch-Finnish Ozone Monitoring Instrument aboard NASA’s Aura satellite, launched in 2004.

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

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Studies suggest that discrepancies of as much as 30 to 50% exist between estimates of ground nitrogen dioxide inferred from the Ozone Monitoring Instrument (OMI), an instrument on NASA’s Aura satellite launched in 2004, and measurements from ground-based instruments. DISCOVER-AQ instrumentation deployment strategy. Source: NASA. Click to enlarge.

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