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TOAR shows present-day global ozone distribution and trends relevant to health; public database

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Ozone levels across much of North America and Europe dropped significantly between 2000 and 2014. People living in parts of southern Europe, South Korea and southern Japan and China also experienced more than 15 days a year of ozone levels above 70 ppb. Source: University of Leicester. Click to enlarge.

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EEA report finds most Europeans in cities still exposed to levels of air pollution exceeding WHO guidelines

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was exceeded at 69% of the stations located in all of the reporting countries, except Estonia, Finland and Norway. 20 % of stations registered concentrations above the EU ozone (O 3 ) target value for the protection of human health. The long-term WHO AQG for PM 2.5 17 % of the EU?28

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