Description
Sweden has been divided into six air quality safety zones: Northern Sweden (SW1), Central Sweden (SW2), Southern Sweden (SW3), Stockholm Urban Area (SW4), Gothenburg Urban Area (SW5) and Malmö Urban Area (SW6). This data set describes these zones.
According to the EU Air Quality Directive, air quality monitoring is to be carried out within specified zones, covering the entire territory of the country. Air quality within each zone shall be classified according to specific assessment thresholds which, together with population quantities, regulate the scope of control (e.g. the requirement for the number of stations) to be carried out in the zone under the Directive.
The responsibility for controlling air quality in Sweden lies primarily with the municipalities. However, the control is not directly linked to the six evaluation zones, but municipalities may choose to either carry out the work themselves or interact with others. The zones are mainly used for evaluation of ground-level ozone within the Swedish Environmental Protection Agency’s air monitoring programme and for reporting and monitoring air quality in accordance with the requirements of the Directives.
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