What Causes Smog?

Smog is a type of air pollution that usually blankets cities. The word smog comes from the mixture of smoke and fog. Smog usually happens when pollutants like Carbon dioxide and Nitrous oxide go into the atmosphere. These gases are not visible, but can still impact humans and plants. What makes smog visible is due to airborne pollutants, like smoke and tiny dust particles. These particles make smog affect the visibility conditions! We can reduce smog by reducing emissions from cars and factories! We all have to work together to reduce the effects of smog.