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“People are increasingly being warned about the dangers of diesel pollution, but how much are we actually exposed to? Tim Johns tried to find out.”Screen Shot 2016-03-06 at 6.23.13 PM.png

“I decided to undertake an experiment for The Jeremy Vine Show on BBC Radio 2 to find out how much I was being exposed to on a daily basis, in different locations and on different modes of transport.

The environmental health researchers at King’s College London lent me a portable device to monitor pollution. It measures black carbon particles from the combustion of diesel fuel. The higher the reading, the less healthy it would be.” BBC Magazine. Read about Tim’s experiment and the pollution he was exposed to through different modes of transportation on

How much diesel pollution am I breathing in?