The daytime traffic noise levels (dB) measured in major cities around the world vary greatly depending on the road network, vehicle density, and urban planning in each region. The graph summarizes the measurements taken in Ulaanbaatar in 2024 by the United Nations Environment Program. The study shows that cities in developing countries in Asia and South Asia have the highest levels of traffic noise pollution. This is directly related to the chao…
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The daytime traffic noise levels (dB) measured in major cities around the world vary greatly depending on the road network, vehicle density, and urban planning in each region. The graph summarizes the measurements taken in Ulaanbaatar in 2024 by the United Nations Environment Program. The study shows that cities in developing countries in Asia and South Asia have the highest levels of traffic noise pollution. This is directly related to the chao…