# The Air Quality Standards (Wales) Regulations 2007, Paragraph 1


In cases where the alert thresholds for nitrogen dioxide or sulphur dioxide are exceeded, the information to be made available to the public should include at least—
(a) the date, hour and place of the occurrence and the reasons for the occurrence, where known;
(b) any forecasts of—
(i) changes in concentration (improvement, stabilisation or deterioration), together with the reasons for those changes,
(ii) the geographical area concerned, and
(iii) the duration of the occurrence;
(c) the type of population potentially sensitive to the occurrence; and
(d) the precautions to be taken by the sensitive population concerned.

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Source: https://www.legislation.gov.uk/wsi/2007/717/schedule/11/paragraph/1 (the official version)
Page: https://openlegislation.uk/air-quality-standards-wales-regulations-2007/schedule-11/paragraph-1
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.