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Exposure to high ozone concentrations can cause breathing problems, trigger asthma, reduce lung function and cause lung diseases.
Ozone is regulated under the Air Quality Directive 2008/50/EU, which set some thresholds for ozone concentrations:
For description purposes a target value threshold (TVt) is also considered: LTO should not be exceeded on more than 25 days in a calendar year (instead of over the 3 year average).
Until 2014, Member States had to officially report on the summer ozone exceedances of these thresholds. Based on this past reporting, the European Environment Agency has published annual Technical Reports analysing the summer ozone situation across Europe. After the entry into force of new EU rules for reporting air quality information (Commission Implementing Decision 2011/850/EU) a new system for reporting data was established.
Overview of exceedances of EC ozone thresholds values for April-September 2014
Overview of exceedances of EC ozone threshold values for April - September 2012
Overview of exceedances of EC ozone threshold values for April–September 2011
Overview of exceedances of EC ozone threshold values for April–September 2010
Overview of exceedances of EC ozone threshold values for April–September 2009
Overview of exceedances of EC ozone threshold values for April–September 2008
For references, please go to https://www.eea.europa.eu/themes/air/ozone/air-pollution-by-ozone or scan the QR code.
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