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Home Publications Air pollution by ozone in Europe in summer 2004

Air pollution by ozone in Europe in summer 2004

 
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Technical report No 3/2005
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In summer 2004, the levels of ground-level ozone were high in southern Europe with widespread exceedances of the information threshold value (180 micro g/m3), as laid down in the ozone directive (2002/3/EC). The exceedances of the information threshold were similar to earlier years, except for summer 2003, when there was a record number of exceedances. Also the directive's long-term objective to protect human health, 120 micro g/m3 of ozone concentration over 8 hours, was extensively exceeded in the EU and other European countries. The target value to protect human health was also exceeded in southern and part of central Europe. The highest levels were reported from Italy and Spain, with a maximum ozone level of 417 micro g/m3.
Published: 07 Jun 2005
Themes
Air pollution Air pollution
Climate change Climate change

Published by

  • EEA (European Environment Agency)
  • OPOCE (Office for Official Publications of the European Communities)

Contents

Maps and graphs

Number of days with exceedance of the long-term objective level. Number of days with exceedance of the long-term objective level.
Distribution of exceedances during summer 2004 on day-by-day basis Distribution of exceedances during summer 2004 on day-by-day basis
Annual variations of the SOM35-values. Average values over all stations, which reported data over at least six years in the period 1996-2002 Annual variations of the SOM35-values. Average values over all stations, which reported data over at least six years in the period 1996-2002
Comparison of annual variations in ozone 50th, 98th and 99.9th percentile values (calculated from hourly mean concentrations) and the frequency distribution of estimated trend (in (microgram/m3) per year). Comparison of annual variations in ozone 50th, 98th and 99.9th percentile values (calculated from hourly mean concentrations) and the frequency distribution of estimated trend (in (microgram/m3) per year).
Annual variation in the ozone AOT40 value (May-July). Average values over all stations, which reported data over at least six years in the period 1996-2002. Annual variation in the ozone AOT40 value (May-July). Average values over all stations, which reported data over at least six years in the period 1996-2002.
Location of ozone monitoring stations as reported by Member States and other European countries in the framework of the Ozone Directive for the summer 2004 Location of ozone monitoring stations as reported by Member States and other European countries in the framework of the Ozone Directive for the summer 2004
Number of days on which at least one exceedance of the 1-hour threshold value was observed per country and per month during summer 2004 Number of days on which at least one exceedance of the 1-hour threshold value was observed per country and per month during summer 2004
Average occurrence (the number of exceedance per station) per region for stations, which reported at least one exceedance, observed during the year Average occurrence (the number of exceedance per station) per region for stations, which reported at least one exceedance, observed during the year
Frequency distribution of concentrations in excess of the 1-hour information threshold. Frequency distribution of concentrations in excess of the 1-hour information threshold.
Frequency distribution of estimated trend (in (microgram/m3) per year) in the 26th highest daily maximum 8-hour mean ozone concentration, period 1996-2002. Frequency distribution of estimated trend (in (microgram/m3) per year) in the 26th highest daily maximum 8-hour mean ozone concentration, period 1996-2002.
Number of days on which at least one exceedance of the long-term objective for the protection of human health was observed per country and per month during summer 2004 Number of days on which at least one exceedance of the long-term objective for the protection of human health was observed per country and per month during summer 2004
Frequency distribution of concentrations in excess of the long-term objective for the protection of human health. Frequency distribution of concentrations in excess of the long-term objective for the protection of human health.
Number of days with exceedance of the information threshold Number of days with exceedance of the information threshold

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Older versions
Air pollution by ozone in Europe in summer 2003 - Overview of exceedances of EC ozone threshold values during the summer season April-August 2003 and comparisons with previous years
Air pollution by ozone in Europe : Overview of exceedances of EC ozone threshold values during the summer season April-August
Air pollution by ozone in Europe in summer 2001
Air pollution by ozone in Europe in 1999 and the summer of 2000
Air pollution by ozone in Europe in 1998 and summer 1999
Air pollution by ozone in the Europe in 1997 and summer 1998
Air pollution by ozone in the Europe in 1997 and summer 1998 - Part I
Air pollution by ozone in the Europe in 1997 and summer 1998 - Part II

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