Ambient Air Pollution Levels Around the World?

Ambient Air Pollution Levels Around the World?=  EXPOSURE TO AMBIENT AIR POLLUTION: LEVELS AND TRENDS Ambient Air Pollution Levels Around th...

Ambient Air Pollution Levels Around the World?= EXPOSURE TO AMBIENT AIR POLLUTION: LEVELS AND TRENDS

Ambient Air Pollution Levels Around the World? [Free PDF download ##fa-file-pdf-o##] Or Read Online Below: [Read Detailed Report in Urdu Here]  Pakistan's Air Quality Falling

Although many high-income countries around the world operate extensive networks of air quality monitoring stations in urban areas, providing continuous hourly measurements of pollution levels each day, this is not the case for most countries. These ground-level measurements of air quality have been the basis for most studies of the potential health effects of air pollution and air quality management. However, other approaches are needed to provide a consistent view of air pollution levels throughout the world. [Read Detailed Report in Urdu Here]

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• Around the world, ambient levels of PM2.5 continue to exceed the Air Quality Guideline established by the World Health Organization (WHO). WHO set the Air Quality Guideline for annual average PM2.5 concentration at 10 μg/m3 based on evidence of health effects of long-term exposure to PM2.5 but acknowledged that it could not rule out health effects below that level. For regions of the world where air pollution is highest, WHO suggested three interim targets set at progressively lower concentrations: 35 μg/m3, 25 μg/m3, and 15 μg/m3. Figure 2 shows where these guidelines were still exceeded in 2016.