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general:trends:start [2026/02/27 09:43] – kotzullageneral:trends:start [2026/02/27 09:44] (current) – kotzulla
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 {{:general:trends:iir_all_trend_from 1990.png?direct&direct&800|All pollutants show a reduction, compared to the year 1990 for most pollutants, 1995 for particulate emissions and 2000 for Black Carbon. NH₃ emissions show a reduction of just under 20%, whereas SO<sub>2</sub> shows the largest reduction with -95% compared to 1990}} {{:general:trends:iir_all_trend_from 1990.png?direct&direct&800|All pollutants show a reduction, compared to the year 1990 for most pollutants, 1995 for particulate emissions and 2000 for Black Carbon. NH₃ emissions show a reduction of just under 20%, whereas SO<sub>2</sub> shows the largest reduction with -95% compared to 1990}}
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-<sup>1</sup>: generally: 1990 but 1995 for PM<sub>2.5</sub> and PM<sub>10</sub> and 2000 for Black Carbon+<sup>1</sup>: generally 1990 but 1995 for PM<sub>2.5</sub> and PM<sub>10</sub> and 2000 for Black Carbon
  
 Due to the fact that air pollution is not being kept within national borders, the issue has been on both the UN's as well as the European Union's agenda for a long time, resulting in increasingly strict regulations for air quality management, as new knowledge and concepts were taken into consideration. The framework for these regulations is the Council "Framework" //Directive 96/62/EC of 27 September 1996 on ambient air quality assessment and management//, the objectives and principles of which are set out in concrete terms in so-called daughter directives. Due to the fact that air pollution is not being kept within national borders, the issue has been on both the UN's as well as the European Union's agenda for a long time, resulting in increasingly strict regulations for air quality management, as new knowledge and concepts were taken into consideration. The framework for these regulations is the Council "Framework" //Directive 96/62/EC of 27 September 1996 on ambient air quality assessment and management//, the objectives and principles of which are set out in concrete terms in so-called daughter directives.