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

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Quantitative use of this indicator ratio is subject to three major uncertainties: (1) the split between NO x -limited and NO x -saturated conditions may shift in space and time, (2) the ratio of the vertically integrated column may not represent the near-surface environment, and (3) satellite products contain errors.

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

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Ground sites maintained by the Maryland Department of the Environment form the backbone of the surface network. Overall, the World Health Organization estimates that air pollution causes some 2 million premature deaths globally per year. Sampling will focus on an area extending from Beltsville, Md.,

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