Exceedance of air quality limit values of NO2 in urban areas (EEA member countries), 1996-2002
Data prior to 1996 with a coverage of less than 50 million people are not representative for the European situation. Year-to-year variations in exposure classes are partly caused by changes in spatial coverage. Only urban background stations have been included in the calculations.
For references, please go to http://www.eea.europa.eu/data-and-maps/figures/exceedance-of-air-quality-limit-values-of-no2-in-urban-areas-eea-member-countries-1996-2002 or scan the QR code.
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