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Even so, some matter is directly formed by sources such as fires or construction web-sites. The concentrations of dangerous PM2.5 particles reached extremes as nicely. PM2.5 stands for “fine” particulate matter measuring 2.five micrometers in diameter, which is smaller adequate to penetrate human lungs and enter the bloodstream, according to WHO. This airborne matter is a mixture of solid and liquid particles containing substances such as sulfate, ammonia, sodium chloride…Read More