15 Sep '17

Drivers more at risk of air pollution than pedestrians

Summary

An interesting study carried out by Leefmilieu Brussel shows that drivers have the highest risk of breathing in the chemical black carbon

Train offers least exposure

Pollution by the chemical known as black carbon (BC), a component of fine particles, has more of an effect on drivers than on pedestrians or cyclists, according to a study carried out by Brussels environment agency Leefmilieu in co-operation with the citizens action organisation Bral.
 

The ExpAIR study saw 276 volunteers measuring levels of BC for nearly four years, while using various means of transport. Devices measured their exposure to air pollution, in particular BC, mainly caused by diesel-fuelled cars.

The results show that traffic, not unexpectedly, is the main source of BC pollution, three times more than the next highest contributor, which is households. Compared to household levels, commuting motorists have five times more exposure to BC.

Cyclists and commuters taking the bus, tram or metro experience three to four times the exposure, while pedestrians see their exposure levels double. In terms of transport, the train had the lowest exposure levels.

“We must take structural measures to improve Brussels’ air quality, which effects the health of the residents,” said Brussels environment minister Céline Fremault. “It is with this goal in mind that we are implementing a low emission zone in 2018.”
Photo courtesy Volaneala/YouTube

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