The word ‘smog’ is a blend of smoke and fog. Smog is formed when the smoke particles combine with the already occurring fog.
What are smog and its causes?
Smog is the term derived from two words smoke and fog. It is a kind of intense air pollution. Smog is the result of the reaction of emissions from automobiles, factories, and industries with the sunlight and atmosphere. When smog is inhaled, the following causes will occur in human
- Coughing and wheezing
- Burning sensation in eyes and throat
- Risk of serious heart diseases
- Risk of serious lung disease.
- Dangerous for people who have asthma.
- Smogs can also kill plants.
Photochemical smog is created when sunlight reacts with nitrogen oxides and at least one volatile organic compound (VOC) in the atmosphere. This kind of smog requires neither smoke nor fog. Nitrogen oxides are emitted in the atmosphere from automobiles, power plants, factory emissions.