19 February 2017
Former North Lancashire Green Party Councillor, John Whiteless continues his campaign for sustainable transport and better air quality.See his letter publiches in the Times newspaper as a response to what
a confused headline on the front page the previous day.
Sir,
The subject of exposure to air pollution by those on foot, bike, bus
and in a car has been studied in the past. One study showed very
clearly that motorists "breathed in greater concentrations of
pollutants than cyclists". The maximum average concentration of
carbon monoxide breathed in by a motorist was 6730 micrograms per
cubic metre and by a cyclist it was 2670. A car occupant is
effectively in a tunnel of pollution breathing in the exhaust of a
very long line of vehicles in front of his/her vehicle which then
accumulate in the vehicle and a cyclist is not in the same tunnel and
not subject to accumulation This study did not look at bus
passengers but it may well be an error to conclude that motorists
come out better
Yours
Professor John Whitelegg
Liverpool John Moores University
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