What Are Primary Pollutants Give Examples?

What Are Primary Pollutants Give Examples? Primary air pollutants: Pollutants that are formed and emitted directly from particular sources. Examples are particulates, carbon monoxide, nitrogen oxide, and sulfur oxide. What are examples of primary and secondary pollutants? Examples of primary pollutants include sulfur dioxide (SO2), carbon monoxide (CO), nitrogen oxides (NOX), and particulate matter (PM).