And besides, even if lung cancer and heart attack may be the most common means of premature death, it does not entail that air pollution is the primary cause of them. I thought that smoking and bad dietary/exercise habits were the main factors. Please correct me if I'm wrong, I'd like to know.
> I thought that smoking and bad dietary/exercise habits were the main factors
While that is true, PM2.5 is still a major cause of lung cancer in non smokers, see e.g.
Air pollution is pretty clearly correlated with reduced life expectancy, even if you don't directly die from it
I can choose to eat healthy and not smoke. I can't choose not to breathe.
Calculating Air Pollution’s Death Toll, Across State Lines - https://www.nytimes.com/2020/02/12/climate/air-pollution-hea... | https://archive.today/HEapE - February 12th, 2020
Premature mortality related to United States cross-state air pollution - https://www.nature.com/articles/s41586-020-1983-8 | https://doi.org/10.1038/s41586-020-1983-8