How good is air quality in Germany?
Ceiling for nitrogen dioxide exceeded at many locations / Repeated episodes of excessive levels of particulate matter
The air in Germany in 2011 once again had excessive levels of particulate matter and nitrogen dioxide pollution. Mean particulate matter levels were above those of the previous four years, and nitrogen dioxide pollution remained high. These are the results of an initial evaluation by the Federal Environment Agency (UBA) of preliminary measurement data submitted by the Länder and UBA. Limit values for particulate matter and nitrogen dioxide are often exceeded in the immediate vicinity of urban roads. Daily averages for particulate matter were above the allowable limit at 42 per cent of stations near roads. The limit allows for daily averages of more than 50 micrograms of fine particles (PM10) per cubic metre air (µg/m3) on no more than 35 days. Nitrogen dioxide (NO2) levels were above the allowable yearly average of 40 µg/m3 at 57 per cent of urban stations located near traffic.