Users' questions

How does Los Angeles type smog differ from London type smog?

How does Los Angeles type smog differ from London type smog?

As the reaction take place in the presence of light to form the smog, it is called photochemical smog….Classical Smog vs Photochemical Smog.

London smog or Classical smog Los Angeles smog or Photochemical smog
It involves smoke and fog (smog) The word smog is misnomer here as it does not involve any smoke or fog.

How many died in the 1952 London fog?

12,000
Many experts now estimate the Great Smog claimed at least 8,000 lives, and perhaps as many as 12,000. The effects of the Big Smoke weren’t limited to people: Birds lost in the fog crashed into buildings.

What caused the fog in London in 1952?

Great Smog of London, lethal smog that covered the city of London for five days (December 5–9) in 1952, caused by a combination of industrial pollution and high-pressure weather conditions. This combination of smoke and fog brought the city to a near standstill and resulted in thousands of deaths.

Is London still affected by the smog?

Two million people in London are living with illegal air pollution, according to the most recent data. However, nitrogen dioxide levels are falling and could reach legal levels within six years.

What are the 2 types of smog?

At least two distinct types of smog are recognized: sulfurous smog and photochemical smog. Sulfurous smog, which is also called “London smog,” results from a high concentration of sulfur oxides in the air and is caused by the use of sulfur-bearing fossil fuels, particularly coal.

Where is smog most common?

Los Angeles, California, and Mexico City, Mexico, both have high smog levels partly because of this kind of landscape. Many countries, including the United States, have created laws to reduce smog.

Why is London called the Big Smoke?

London, England In the mid-20th century, around 1952 great clouds of smoke covered the whole of London and the clouds of smoke stayed in the atmosphere for many days which caused many skin diseases. That is why London City in England is called “The Smoke” or “The Big Smoke”.

Who was most affected by the Great smog?

Most of the victims were very young or elderly, or had pre-existing respiratory problems. In February 1953, Marcus Lipton suggested in the House of Commons that the fog had caused 6,000 deaths and that 25,000 more people had claimed sickness benefits in London during that period.

Does smog still exist?

Smog was common in industrial areas, and remains a familiar sight in cities today. Today, most of the smog we see is photochemical smog. Photochemical smog is produced when sunlight reacts with nitrogen oxides and at least one volatile organic compound (VOC) in the atmosphere.

What are the 3 types of smog?

At least two distinct types of smog are recognized: 1) Sulfurous smog (or ‘London-type’ smog); 2) Photochemical smog (‘Los Angeles-type’ smog). Sulfurous smog results from a high concentration of sulfur oxides in the air and is caused by the use of sulfur-bearing fossil fuels, particularly coal.

What is the dirtiest city in the world?

World air quality report

Rank City 2020 AVG
1 Hotan, China 110.2
2 Ghaziabad, India 106.6
3 Bulandshahr, India 98.4
4 Bisrakh Jalalpur, India 96

What is London’s nickname?

London, England That is why London City in England is called “The Smoke” or “The Big Smoke”.

What’s the difference between smog in London and Los Angeles?

Difference between London Smog and Los Angeles Smog (Classical Smog vs Photochemical Smog) It is reducing* in character. Chemically it is reducing mixture and hence is called reducing smog. It is oxidizing* in character. It has high concentration of oxidizing agents hence it is known as oxidizing smog.

When was smog first observed in Los Angeles?

Photochemical smog. This type of smog is first observed in 1952 in London. This type of smog was first observed in 1943 in Los Angeles. It involves smoke and fog (smog) The word smog is misnomer here as it does not involve any smoke or fog.

Why is London smog also known as sulfurous smog?

Therefore London smog is also known as Sulfurous smog. It is formed due to photochemical reaction (presence of sunlight) taking place when air contains NO 2 and hydrocarbons forming toxic chemicals like peroxyacylnitrates (PAN), Ozone etc.. Los Angeles smog is also known as Photochemical smog.

Is it true that Smog makes for beautiful sunsets?

Most people think the answer is yes — that smoggy cities like Los Angeles and Beijing, with hazy skies most of the time, at least get to have extra-brilliant sunsets to cough at as a result of that haziness. As it turns out, those people are mostly wrong.