I've been here since 2015 with the pm2.5 getting noticably worse from 2017 onwards. Hard to tie it to any degradation in health. I have air purifiers at home an

I've been here since 2015 with the pm2.5 getting noticably worse from 2017 onwards. Hard to tie it to any degradation in health. I have air purifiers at home and wear N95 whenever I go out and it's bad. I know there were a few big studies around the prevalence of cancer rates that correlated with the pollution getting worse in China. But I'm not nearly qualified enough to comment on or vet those