# The Environmental Targets (Fine Particulate Matter) (England) Regulations 2022, Paragraph 4: Calculation and rounding


(1) The calculations in this Schedule are to be made using PM2.5 levels in µg/m³ measured to one decimal place.
(2) Any amount or value to be calculated under this Schedule is to be calculated to at least two decimal places, and if it is used for any subsequent calculation under this Schedule the unrounded amount or value is to be used.
(3) For the purpose of publication under paragraphs 9 to 11 of Schedule 3 (information required to be published)—
(a) PEIbase and PEIyear are to be expressed to two decimal places;
(b) the percentage calculated under paragraph 2(e) is to be rounded to the nearest whole number.

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Source: https://www.legislation.gov.uk/ukdsi/2022/9780348242959/schedule/1/paragraph/4 (the official version)
Page: https://openlegislation.uk/draft-environmental-targets-fine-particulate-matter-england-regulations-2022/schedule-1/paragraph-4
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.