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An air quality index (AQI) is an indicator developed by government agencies [1] to communicate to the public how polluted the air currently is or how polluted it is forecast to become. [2] [3] As air pollution levels rise, so does the AQI, along with the associated public health risk. Children, the elderly and individuals with respiratory or ...
Air pollution measurement is the process of collecting and measuring the components of air pollution, notably gases and particulates. The earliest devices used to ...
Air pollution is among the biggest health problems of modern industrial society and is responsible for more than 10 percent of all deaths worldwide (nearly 4.5 million premature deaths in 2019), according to The Lancet. Air pollution can affect nearly every organ and system of the body, negatively affecting nature and humans alike.
Bone-chilling Arctic air gripped much of the eastern United States on Saturday, while lake-effect snow threatened to disrupt post-holiday travel in parts of the Great Lakes region.
Timothée Chalamet said he was advised to gain weight when he was coming up as a young actor auditioning for big movies. “If I auditioned for ‘The Maze Runner’ or ‘Divergent,’ things of ...
Santa Claus is not delivering as many Christmas trees, toys and decorations to the United States this year as in recent years, import data shows, with retailers including Walmart bringing in less ...
The qualities of arctic air are developed over ice and snow-covered ground. Arctic air is deeply cold, colder than polar air masses. Arctic air can be shallow in the summer, and rapidly modify as it moves equatorward. [8] Polar air masses develop over higher latitudes over the land or ocean, are very stable, and generally shallower than arctic air.
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