So your body relies on a steady source of antioxidants from fruits and veggies to reduce this oxidantstress and, in turn, help to support immune function.
Damage of fine particulate is through oxidantstress, inflammation and neurogenic inflammation and so on, but the detail of the mechanism for them is lacking.
Excessive oxidantstress may overload the protective HMP shunt or methemoglobin reductase pathways, causing Heinz body hemolysis or methemoglobin formation, respectively.