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International study finds air pollution leads to millions of hospital visits for asthma attacks worldwide

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The researchers aimed to estimate the number of asthma emergency room visits and new onset asthma cases globally attributable to PM 2.5 , ozone, and NO 2 concentrations. This is the first global study of the potential impacts of air pollution on serious asthma attacks that cause people to visit emergency rooms in hospitals around the world.

Pollution 207
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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.

Ozone 150