(University of Surrey) Pollution levels inside cars were found to be up to 40% higher while in traffic jams or at a red traffic light compared to free-flowing traffic conditions.Car windows closed with the fan/heating off in traffic is the best ventilation setting in traffic leading up to a 76% reduction in in-car pollutants. Also, safest setting is the air being circulated internally only by the fan without drawing in polluted air from outdoors.
from EurekAlert! - Social and Behavioral Science http://ift.tt/2biNKF4
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