Millions of people living in dozens of British cities are inhaling air considered too dangerous to breathe. Out of 51 UK cities and towns, 44 fail the WHO's test for fine sooty particles smaller than 2.5 microns across that have been linked to heart disease and premature death. • r/worldnews

Millions of people living in dozens of British cities are inhaling air considered too dangerous to breathe. Out of 51 UK cities and towns, 44 fail the WHO's test for fine sooty particles smaller than 2.5 microns across that have been linked to heart disease and premature death. (independent.co.

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