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Examples are benzene, hydrofluoric acid, particulate matter, sulfur dioxide, nitrogenoxides, and many, many other toxic pollutants. It is one of the so-called criteria air pollutants , along with NOx, SOx, carbonmonoxide (CO), and lead 5. Refining uses many risky industrial processes. Bermix Studio/Unsplash PM2.5:
Our ozone layer serves as a lifesaving UV barrier for planet earth, functioning to absorb most of the sun’s ultraviolet radiation. As ozone requires the presence of solar radiation, levels are likely to be highest on dry, sunny days - if there’s little sun, ozone can’t form. Good Ozone’: Our Essential Sun Shield.
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