HEI: 95%+ of world’s population live in areas of unhealthy air
Green Car Congress
APRIL 18, 2018
Ozone, another important component of outdoor air pollution, whose levels are on the rise around the world, contributed to 234,000 deaths from chronic lung disease. Population-weighted seasonal average ozone concentrations in 2016. Worldwide exposure to PM 2.5 contributed to 4.1 State of Global Air 2018.
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