Research has found that when stopped at red lights vehicles exposed to more pollutants.Researchers at the university of Surrey in the UK have discovered that where drivers take 2% time of their journey to cross the red lights, during this period of time contributes approximately 25% of exposure to these nanoparticles.
The team of researcher has mentioned some points where drivers exposed to air pollutants.Researchers found high levels of pollution at signals because of changes in driving conditions, pollutant particle concentration was found 29% higher than free moving conditions.Researchers also said, at signals when vehicles stopped closely increase the level of air pollution.
"Our time spent traveling in cars has remained same during the past 10 years despite the efforts to reduce it and with more cars than ever joining the roads, we are being exposed to increasing levels of air pollution as we undertake our daily commutes." said lead author Dr. Prashant Kumar.
A study author, Dr Prashant Kumar said,"Recently air pollution was placed in the top ten health risks faced by human.According to the World Health Organization, every year seven million people die due to air pollution".
"It is not possible to eliminate air pollution but we can decrease its level by awareness.Some of the best ways to reduce exposure is to keep windows shut, fans off and keep more distance as much as possible between you and the vehicle just in front of you.Pedestrians should find other routes less depend on traffic lights.Transport agencies could help by introducing signals free tracks and also by reducing signals waiting time.
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