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particulate matter


Indicator: Population exposure to particulate matter pollution

A diagram shows in chronological order from 2010 to 2018 the number of people in Germany affected by exceeding the World Health Organization (WHO) guideline value for particulate matter (PM2.5). The exposure decreased significantly between 2010 and 2018. However, it should be noted that measuring stations located in conurbations with high traffic volumes were not included in the calculation.

The exposure of the population to particulate matter (excluding traffic-related measuring points) was significantly lower in 2018 than in 2010.Particulate matter concentrations in ambient air are considerably affected by weather conditions which may vary substantially within the year and from one year to another.The German Environment Agency (UBA) proposes a target of keeping the exposure of the e... read more


Indicator: Air quality in agglomerations

A graph shows how strongly, on average, urban background levels of three main air pollutants in German agglomerations exceeded World Health Organisation (WHO) recommendations between 2000 and 2018. The trend for the different pollutants varies. Between 2000 and 2018, the values for nitrogen dioxide were between 35.9 and 1.9 percent, for ozone between 71.0 and 76.8 percent and for particulate matter (PM2.5) between 77.3 and 24.8 percent.

The background levels of three main air pollutants in German agglomerations exceed World Health Organisation (WHO) guideline values.Close to sources, pollutant levels can even be significantly higher.The situation regarding nitrogen dioxide and particulate matter has greatly improved since 2000.Ozone and particulate matter pollution is very dependent on the weather. Levels thus fluctuate significa... read more


Quick guide on how to use "Current air data" information pages

Experts at the monitoring stations of the German states and the German Environment Agency take multiple daily measurements to determine the air quality in Germany. Shortly after measurements are taken, you can go to our “Current air data” webpage to look up measured values, some forecast data, and data on past years. read more


Information on the PM10 exceedance table

The table shows the up-to-date number of days of PM10 exceedances in the current year at the measuring stations of the German States and UBA. PM10 (PM = Particulate Matter) is the term used for matter with a maximum diameter of 10 micrometres (µm). read more


Special Exposure Situations

Smog during sunrise in Shanghai

Exceptional exposure situations deserve special consideration. They occur when usual or expected environmental conditions are not met. Human health is particularly at risk in these often extreme stressful situations, therefore environmental hygiene and environmental medicine take up a position on such topics. read more


Low-emission zones in Germany

Road sign for  a low-emission zone

The new low-emission zone made effective in the town of Aachen (Level 3, Baden-Württemberg) in February brings the total number of low-emission zones in Germany to 52. read more


The Umweltbundesamt

For our environment