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Percentage of population exposed to NO2 annual concentrations in urban areas, EEA member countries, 1997-2008
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The annual mean limit value is 40 µg NO2/m³. Over the years 1997-2008 the total population, for which exposure estimates are made, increased from 55 to 118 million people due to an increasing number of monitoring stations reporting air quality data under the Exchange of Information Decision. Year-to-year variations in exposure classes are partly caused by the changes in spatial coverage. Only urban and sub-urban background monitoring stations have been included in the calculations. Data for Bosnia and Herzegovina, Iceland, Liechtenstein, Luxembourg, Malta, the former Yugoslav Republic of Macedonia, Serbia, and Turkey are not included due to the geographical coverage of the Urban Audit and/or lack of air quality data.
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Percentage of population exposed to NO2 annual concentrations in urban areas, 2001-2010 (EU-27)
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The annual mean limit value is 40 µg NO2/m3 and to be met by 2010. Over the years 2001-2010 the total population, for which exposure estimates are made, increased from 92 to 116 million people due to an increasing number of monitoring stations reporting air quality data under the Exchange of Information Decision. Year-to-year variations in exposure classes are partly caused by the changes in spatial coverage. Only urban and sub-urban background monitoring stations have been included in the calculations. Data for Cyprus and Malta, are not included due to missing availability of operational urban and sub-urban background monitoring stations in the Urban Audit cities.
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Percentage of population resident in urban areas potentially exposed to NO2 concentration levels exceeding the annual limit value, EEA member countries, 1997-2007
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The annual mean limit value is 40 µg NO2/m3. Over the years 1997-2007 the total population, for which exposure estimates are made, increased from 54 to 113 million people due to an increasing number of monitoring stations reporting air quality data under the Exchange of Information Decision.
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Percentage of population resident in urban areas potentially exposed to SO2 concentration levels exceeding the daily limit value, EEA member countries, 1997-2007
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The limit value is 125 µg SO2/m3 as a daily mean, not to be exceeded more than three days in a year. Over the years 1997-2007 the total population for which exposure estimates are made, increases from 56 to 101 million people due to an increasing number of monitoring stations reporting under the Exchange of Information Decision.
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Percentage of population resident in urban areas potentially exposed to PM10 concentration levels exceeding the daily limit value, EEA member countries, 1997-2007
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The limit value is 50 µg PM10/m3 (24 hour average, i.e. daily), not to be exceeded more than 35 times a calendar year. Over the years 1997-2007 the total population for which exposure estimates are made, increases from 25 to 109 million people due to an increasing number of monitoring stations reporting air quality data under the Exchange of Information Decision.
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Percentage of population resident in urban areas potentially exposed to O3 concentration levels over the long-term objective for protection of human health, EEA member countries, 1997-2007
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The target value is 120 µg O3/m3 as daily maximum of 8 hour mean, not to be exceeded more than 25 days per calendar year, averaged over three years. Over the years 1997-2006 the total population for which exposure estimates are made, increases from 48 to 112 million people due to an increasing number of monitoring stations reporting under the Exchange of Information Decision.
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Percentage of the urban population in EEA member countries (except Turkey) exposed to air pollution above the limit and target values
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Limit values are: PM10– 50 µg/m3 24-hour average not to be exceeded for more than 35 days; NO2 – 40 µg/m3 annual average; SO2 – 125 µg/m3 24-hour average not to be exceeded for more than four days; O3 – 120 µg/m3 8-hour daily maximum not to be exceeded for more than 25 days averaged over three years.
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Percentage of urban population resident in areas for days per year with SO2 concentration exceeding daily limit value, 1997-2009 (EU-27)
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The limit value is 125 µg SO2/m3 as a daily average, not to be exceeded more than three days in a year and to be met by 2005. Over the years 1997-2009 the total population for which exposure estimates are made, increased from 56 to 100 million people due to an increasing number of monitoring stations reporting under the Exchange of Information Decision. Year-to-year variations in exposure classes are partly caused by the changes in spatial coverage. Only urban and sub-urban background monitoring stations have been included in the calculations. Data for Cyprus, Denmark, Finland, Luxembourg and Malta, are not included due to the geographical coverage of the Urban Audit.
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Percentage of urban population resident in areas for days per year with ozone concentrations over the long-term objective for protection of human health, 2001-2010 (EU-27)
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The target value is 120 µg O3/m3 as daily maximum of 8 hour mean, not to be exceeded more than 25 days per calendar year, averaged over three years and to be achieved where possible by 2010. Over the years 2001-2010 the total population for which exposure estimates are made, increased from 87 to 115 million people due to an increasing number of monitoring stations reporting under the Exchange of Information Decision. Year-to-year variations in exposure classes are partly caused by the changes in spatial coverage. Only urban and sub-urban background monitoring stations have been included in the calculations. Data for Cyprus is not included due to missing availability of operational urban and sub-urban background monitoring stations in the Urban Audit cities.
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Percentage of urban population resident in areas for days per year with PM10 concentration exceeding daily limit value, 2001-2010 (EU-27)
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The limit value is 50 µg PM10/m3 (24 hour average, i.e. daily), not to be exceeded more than 35 times a calendar year and to be met by 2005. Over the years 2001-2010 the total population for which exposure estimates are made, increased from 68 to 107 million people due to an increasing number of monitoring stations reporting air quality data under the Exchange of Information Decision. Year-to-year variations in exposure classes are partly caused by the changes in spatial coverage. Only urban and sub-urban background monitoring stations have been included in the calculations. Data for Greece and Malta are not included due to missing availability of operational urban and sub-urban background monitoring stations in the Urban Audit cities.
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