Clean Air Act State regulation Smog reduction Sulfur dioxide Carbon dioxide and global warming Air Pollutants Types . Air pollutants of concern are lumped into a few, general categories or into prominent singularities. Particulates occupy a catch-all grouping of minute particles where size is the basis for categorization. Ozone is produced by the reaction between VOCs and nitrogen oxides .
Sulfur dioxide is emitted from burning coal and produces sulfuric acid.
Carbon monoxide and lead are well-known regulated substances along with an extensive number of hazardous air pollutants. All are high in carbon, having originated from buried organic sediments. In fact, coal and shale are an excellent source of fossils for collecting. Stratospheric ozone depletion can occur through fluidized bed coal combustion.