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The January 2024 version of the WHO database contains results of ambient (outdoor) air pollution monitoring from almost 5,390 towns and cities in 63 countries. Air quality in the database is represented by the annual mean concentration of particulate matter (PM10 and PM2.5, i.e. particles smaller than 10 or 2.5 micrometers, respectively). [1 ...
Growing evidence that air pollution—even when experienced at very low levels—hurts human health, led the WHO to revise its guideline (from 10 μg/m 3 to 5 μg/m 3) for what it considers a safe level of exposure of particulate pollution, bringing most of the world—97.3 percent of the global population—into the unsafe zone.
Air pollution causes significant health and economic problems in the Philippines. [21] An estimated 66,000 deaths annually have been directly linked to air pollution. [22] The Department of Environment and Natural Resources is tasked with implementing the Clean Air Act of 1999 to monitor and prevent air pollution in the country. [23]
For instance, some places like Africa and South America lack air pollution reporting tools, so their pollution levels are probably not reflected in this list. Moreover, many cities from a certain country are featured in the list may only mean that they have large and wide air pollution monitoring networks, which may or may not be an indicator ...
Air pollution can affect nearly every organ and system of the body, negatively affecting nature and humans alike. Air pollution is a particularly big problem in emerging and developing countries, where global environmental standards often cannot be met. The data in this list refers only to outdoor air quality and not indoor air quality, which ...
It is currently located 622km west-northwest of Andersen Air Force Base, Guam, and has moved westward at 22kmh (12 knots) over the past six hours towards the Philippines Area of Responsibility (PAR).
Air Pollution Level Air Pollution Category Health Implications Recommended Precautions 0-50 Level 1 Excellent No health implications. Everyone can continue their outdoor activities normally because the air is not polluted. 51-100 Level 2 Good Some pollutants may slightly affect very few hypersensitive individuals.
The Southeast Asian haze is a fire-related recurrent transboundary air pollution issue. Haze events, where air quality reaches hazardous levels due to high concentrations of airborne particulate matter from burning biomass, [1] have caused adverse health, environmental and economic impacts in several countries in Southeast Asia.