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13 sty 2021 · While the U.N.-based organization recommends less than 30 decibels during the night for a sleep of good quality, Manila averages 99.3 decibels—above the ASEAN average of 83 decibels. According to the WHO, long-term exposure to noise levels of 70 decibels may induce hearing impairments.
Traffic volume is the main parameter in the roadside environment noise pollution study. Defined as the number of vehicles passing a given point during a specified period of time, traffic volume gives an accurate information on the total traffic from each direction that contributes to the pollution level in the study area (TTC, 1983).
9 wrz 2020 · To address this situation, different countries have different strategies like vehicular noise limits and their regulation, vehicles physical health checkup, different time of operations for noisy traffic like trucks in the evening or night time, and noise pollution fines for noisy vehicles.
Urban areas in the Philippines, particularly Manila, face substantial noise pollution challenges due to high traffic volumes and the use of traditional vehicles. The quiet operation of electric vehicles can contribute to lowering overall city noise levels.
This case study on Philippine cities’ sustainable urban mobility initiatives was undertaken as part of the One Planet City Challenge (OPCC) 2017-2018 project of WWF-Philippines. Discover...
7 wrz 2022 · According to the 2017 data, the overall number of people exposed to L den ≥ 55 dB was estimated to be 113 million for road traffic noise, 22 million for railway noise, 4 million for aircraft noise and 1 million for noise caused by industry [4, 5].
25 lis 2022 · MANILA, Philippines – The country’s sprawling megacity is home to the world’s fifth worst public transportation system, according to think tank Oliver Wyman Forum and the University of...
