Population-weighted particulate matter (PM2.5) levels in Germany were significantly lower in 2021 than in 2010.In 2021, the population-weighted particulate matter exposure was 9.3 micrograms per cubic meter on average for the year. This is 42 % less than in 2010.The decrease in exposure is due to declining emissions from stationary sources (e.g., power plants, waste incineration plants, domestic f... read more