Independent report

Airport expansion: updated air quality re-analysis

Further work on air quality conducted by the Department for Transport since October 2016.

This publication was withdrawn on

The updated version of this air quality analysis is the October 2017 Airport expansion further updated air quality re-analysis.


Updated air quality re-analysis: impact of new COPERT emission factors and associated new pollution climate mapping sensitivity testing

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Updated COPERT emission factors for the calculation of air pollutant emissions from road transport were released at the end of September 2016. This updated re-analysis assesses the implications of the updated COPERT emission factors on the conclusions of the Airports Commission’s air quality analysis.

This study is a follow up to the Air quality re-analysis report published on 25 October 2016.

Published 2 February 2017