https://pubmed.ncbi.nlm.nih.gov/29682692/
"Exposure to fine particulate matter (PM2.5) has been associated with increased risk of heart disease,1 insulin resistance (IR),2 and diabetes,3 all conditions that are characterized by inflammation"
https://ehp.niehs.nih.gov/doi/full/10.1289/ehp.122-a29
Basically, if it causes an immune/inflamatorry response, it leads to chronic disease
https://www.health.harvard.edu/staying-healthy/inflammation-...