What Is Smog

Health effects. Smog is a serious problem in many cities and continues to harm human health. Ground-level ozone, sulphur dioxide, nitrogen dioxide and carbon monoxide are especially harmful for senior citizens, children, and people with heart and lung conditions such as emphysema, bronchitis, and asthma.

Definition of smog. : a fog made heavier and darker by smoke and chemical fumes; also : a photochemical haze caused by the action of solar ultraviolet radiation on atmosphere polluted with hydrocarbons and oxides of nitrogen especially from automobile exhaust. —.

Smog is a kind of air pollution, originally named for the mixture of smoke and fog in the air. Classic smog results from large amounts of coal burning in an area and is caused by a mixture of smoke and sulfur dioxide. In the 1950s a new type of smog, known as Photochemical Smog, was first described.

Smog can cause or aggravate health problems such as asthma, emphysema, chronic bronchitis and other respiratory problems as well as eye irritation and reduced resistance to colds and lung infections. The ozone in smog also inhibits plant growth and can cause widespread damage to crops and forests.

Smog is a yellowish or blackish fog formed mainly by a mixture of pollutants in the atmosphere which consists of fine particles and ground level ozone. Smog which occurs mainly because of air pollution, can also be defined as a mixture of various gases with dust and water vapor. Smog also refers to hazy air that makes breathing difficult.

(smŏg) 1. A form of air pollution produced when sunlight reacts with hydrocarbons and nitrogen compounds released into the atmosphere, especially from automobile exhaust. Smog is common in many large cities, especially during hot, sunny weather. It appears as a brownish haze and can irritate the eyes and lungs.

Smog, of course! Smog is a type of air pollution caused by tiny particles in the air. The word comes from a mixture of the words smoke and fog and was first used to describe the hazy mixture of smoke and sulfur dioxide produced by the burning of large amounts of coal in London in the early 1900s.

What Is Smog >> Tokyo Smog | Romain Guy | Flickr

What Is Smog >> Tokyo Smog | Romain Guy | Flickr

What Is Smog >> The Plashing Vole: June 2010

What Is Smog >> The Plashing Vole: June 2010

What Is Smog >> Smog Pump on 1968 912 Engine

What Is Smog >> Smog Pump on 1968 912 Engine

What Is Smog >> Free Images : tree, grass, dew, light, black and white, track, fog, sunrise, mist, sunlight ...

What Is Smog >> Free Images : tree, grass, dew, light, black and white, track, fog, sunrise, mist, sunlight ...

What Is Smog >> Environment of North Korea - Wikipedia

What Is Smog >> Environment of North Korea - Wikipedia

What Is Smog >> December Sunset | UnrealHawaii.com

What Is Smog >> December Sunset | UnrealHawaii.com

What Is Smog >> Settimo Milanese - Wikipedia

What Is Smog >> Settimo Milanese - Wikipedia