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by mrob 3883 days ago
"Premature deaths" is not a useful measurement because it does not take into account how premature the death was. You could say everybody who dies of a respiratory problem dies prematurely, because pollution made them die a few hours/minutes/seconds faster than they would have breathing perfectly clean air. The correct unit for measuring the harm caused is the disability-adjusted life year:

https://en.wikipedia.org/wiki/Disability-adjusted_life_year