Even if measurement was perfect, people would have incentive to ignore it. Who wants to be told they can't do something, based on some claim that it might be ba

Even if measurement was perfect, people would have incentive to ignore it. Who wants to be told they can't do something, based on some claim that it might be bad for them in the very long term? People still smoke cigarettes and drink alcohol despite those being known to be bad for decades. Air pollution, like numerous other things like water quality and medical care, is too big to be made into a individual decision.