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general:trends:start [2021/04/26 15:30] – Figure layouted. gniffkegeneral:trends:start [2021/04/26 15:32] (current) – [Total emission trends] gniffke
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 Air pollution control measures, regulated by law from 1983 onward, have led to a further major pollutant reduction of average annual levels – to below 25 μg/m³ in the case of SO₂ concentrations. In eastern Germany, decreases in SO₂ and particulate emissions associated with economic restructuring, redevelopment of smokestack industrial areas, and the construction of advanced, state-of-the-art industrial plants are also reflected in the emission concentrations measured. For example, the annual mean SO₂ pollution levels in the industrial and urban conurbations of West Saxony, southern Saxony-Anhalt, and eastern Thuringia fell from about 150–175 μg/m³ to 8–15 μg/m³ between 1990 and 2003. As a result of the reductions achieved, the winter smog alarms that were previously caused by sulphur dioxide emissions have been effectively eliminated. This applies to both East and West Germany, even in topographically unfavourable locations such as valleys and geological basins. Air pollution control measures, regulated by law from 1983 onward, have led to a further major pollutant reduction of average annual levels – to below 25 μg/m³ in the case of SO₂ concentrations. In eastern Germany, decreases in SO₂ and particulate emissions associated with economic restructuring, redevelopment of smokestack industrial areas, and the construction of advanced, state-of-the-art industrial plants are also reflected in the emission concentrations measured. For example, the annual mean SO₂ pollution levels in the industrial and urban conurbations of West Saxony, southern Saxony-Anhalt, and eastern Thuringia fell from about 150–175 μg/m³ to 8–15 μg/m³ between 1990 and 2003. As a result of the reductions achieved, the winter smog alarms that were previously caused by sulphur dioxide emissions have been effectively eliminated. This applies to both East and West Germany, even in topographically unfavourable locations such as valleys and geological basins.
  
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 {{:general:trends:iir_trend.png?direct&nolink&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 SO₂ shows the largest reduction with -95% compared to 1990}} {{:general:trends:iir_trend.png?direct&nolink&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 SO₂ shows the largest reduction with -95% compared to 1990}}
 <caption>**Total emission trends for the most important pollutants** in percent decrease compared to a base year, set to 1995 for PM₂.₅ and PM₁₀, to 2000 for Black Carbon, and 1990 for all other pollutants.</caption> <caption>**Total emission trends for the most important pollutants** in percent decrease compared to a base year, set to 1995 for PM₂.₅ and PM₁₀, to 2000 for Black Carbon, and 1990 for all other pollutants.</caption>