# The Air Quality Standards (Wales) Regulations 2007, Paragraph 2


General information—
(a) type of zone (city, industrial or rural area);
(b) estimate of the polluted area (km2) and of the population exposed to the pollution;
(c) useful climatic data;
(d) relevant data on topography; and
(e) sufficient information on the type of targets requiring protection in the zone.

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Source: https://www.legislation.gov.uk/wsi/2007/717/schedule/2/paragraph/2 (the official version)
Page: https://openlegislation.uk/air-quality-standards-wales-regulations-2007/schedule-2/paragraph-2
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.