Yes, trees reduce particulates https://www.bbc.com/news/science-environment-37813709 https://www.bbc.com/news/science-environment-37813709 "A study by US-based

Yes, trees reduce particulates https://www.bbc.com/news/science-environment-37813709 https://www.bbc.com/news/science-environment-37813709 "A study by US-based The Nature Conservancy (TNC) reported than the average reduction of particulate matter near a tree was between 7% and 24%."