particulate

That came after the Supreme Court this month eased a blanket ban on fireworks to allow the use of the less-polluting "green" crackers -- developed to reduce particulate emission.

The Supreme Court relaxed this month a blanket ban on fireworks over Diwali to allow the use of the less-polluting "green firecrackers" -- designed to emit fewer particulates.

It could also help clean up the port, which has long struggled with pollution issues linked to ship engines, diesel trucks and other freight equipment that spews particulate matter into the air.

Since 2018, the Salton Sea no longer gets an inflow of fresh water, only agricultural runoff, so it is evaporating and shrinking while the exposed, dry lake bed area is expanding, feeding clouds of particulate.

Wildfire smoke has been found to be harmful to certain immune cells in the lungs, with a toxicity four times greater than particulates from other types of pollution.