Ground Level Ozone

The most important secondary pollutant is the Ground Level Ozone or Tropospheric Ozone. Ground Level Ozone is formed by the reactions of the oxides of Nitrogen (NOx), Carbon Monoxide (CO) and Volatile Organic Compounds (VOCs) and NMVOCs such as Xylene in the atmosphere in the presence of sunlight. Thus culprits for Ground Level Ozone are NOx, CO, VOCs and NMVOCs.

In the last 100 years, the em…

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