https://pubmed.ncbi.nlm.nih.gov/22514211/ -Omega-3 fatty acid supplementation appears to attenuate particulate air pollution-induced cardiac effects and lipid changes in healthy middle-aged adults
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5930792/ -Pollution and respiratory disease: can diet or supplements help? – The study found evidence to suggest that carotenoids, vitamin D and vitamin E help protect against pollution damage which can trigger asthma, COPD and lung cancer initiation