The Smogmobile Measures Southamptons Air for the BBC on Inside Out South

ETs smogmobile is out in Southampton again helping measure the amount of NO2 in the air from rush hour traffic.

Even though it's a wet blustery day, when typically levels would be low, levels of 200 ug per cubic meter upwards were found which if they were consistantly reached for a period of an hour or so, they would breach the UK guidelines values for NO2. ET's Air Quality expert, Duncan Mounsor, explains how people living in more congested areas are more at risk.

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