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School children are exposed to three times more air pollution during the morning drop-off than throughout the rest of the day, study shows

Children face around three times more air pollution during the morning drop-off than throughout the rest of the day, due to cars idling outside the school gates. Levels of ultra-fine particulate matter, known as PM2.5, which are emitted from the exhaust pipes of vehicles lined up to drop off children in the morning, were found to be the main source of pollution around a Surrey school, air quality experts report. PM2.5 levels were three times higher during morning drop-off periods than the afternoon pick-up or during the school day, researchers found using smart sensors. Worryingly, PM2.5 levels rose slightly within the classrooms closest to the road during both morning drop-off and afternoon pick-up times.  Read more.....

 

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