Question: What Are The Top 5 Pollutants?

What are the 6 main pollutants?

These six pollutants are carbon monoxide, lead, nitrogen oxides, ground-level ozone, particle pollution (often referred to as particulate matter), and sulfur oxides..

What is the dirtiest country?

BangladeshWorld air quality reportRankCountry/Region2019 AVG1Bangladesh83.302Pakistan65.813Mongolia62.004Afghanistan58.8083 more rows

What are the top 5 pollutants in the world?

Lead-Acid Battery Recycling. … Mercury and Lead Pollution from Mining. … Coal Mining (Sulfur Dioxide and Mercury Pollution) … Artisanal Gold Mining (Mercury Pollution) … Lead Smelting. … Pesticides Pollution from Agriculture and Storage. … Arsenic in Ground Water. … Industrial Waste Water.More items…

What are the 5 main air pollutants?

5 Major Outdoor Air PollutantsOzone (O3)Nitrogen Oxides (NOx)Carbon Monoxide (CO)Sulfur Dioxide (SO2)Particulate Matter (PM10 and PM2.5)

What is the biggest form of pollution?

Most ocean pollution begins on land. Much of this runoff flows to the sea, carrying with it agricultural fertilizers and pesticides. Eighty percent of pollution to the marine environment comes from the land. One of the biggest sources is called nonpoint source pollution, which occurs as a result of runoff.

What are 3 causes of water pollution?

Discharge of domestic and industrial effluent wastes, leakage from water tanks, marine dumping, radioactive waste and atmospheric deposition are major causes of water pollution. Heavy metals that disposed off and industrial waste can accumulate in lakes and river, proving harmful to humans and animals.

Which country has no pollution?

The Cleanest CountriesSweden. The least polluted country is Sweden with overall score of 2.8/10. The amount of carbon dioxide is 3.83 tonnes per capita per year, and the concentrations of PM2. … Finland and France. Finland shares second place with France with a score of 3.5/10.

What is the cleanest country in the world?

IcelandIceland is the cleanest country in the world. This may be hard to believe right now, what with the clouds of volcanic ash grounding flights across northern Europe, but according to researchers at Yale and Columbia universities, the Nordic island ranks first out of 163 countries on their Environmental Performance Index.

Which country has cleanest air?

New ZealandIn terms of PM 2.5 pollution — a measure of ultra-fine particulate matter in the air — the country with the world’s cleanest air is New Zealand, while the US ranks seventh on that list.

What cause the most pollution?

Most of this air pollution we cause results from the burning of fossil fuels, such as coal, oil, natural gas, and gasoline to produce electricity and power our vehicles. Carbon dioxide (CO2) is a good indicator of how much fossil fuel is burned and how much of other pollutants are emitted as a result.

What are the top 10 pollutants?

The top 10, in alphabetical order, are: artisanal gold mining; contaminated surface water; contaminated groundwater; indoor air pollution; metals smelting and processing; industrial mining; radioactive waste and uranium mining; untreated sewage; urban air quality; and used lead–acid battery recycling.

Which is the most dangerous type of pollution?

Undoubtedly air pollution is the most devastating pollution type causing worldwide mortality. An estimated 7 million deaths every year are linked to ambient air pollution, mainly from heart disease, stroke, chronic obstructive pulmonary disease (COPD), lung cancer, and respiratory infections, including pneumonia.

What are the major indoor pollutants?

Indoor Pollutants and SourcesAsbestos.Biological Pollutants.Carbon Monoxide (CO)Formaldehyde/Pressed Wood Products.Lead (Pb)Nitrogen Dioxide (NO2)Radon (Rn)Indoor Particulate Matter.More items…•

What’s the biggest source of pollution?

The top three biggest polluters, according to the study: RECOMMENDED VIDEOS FOR YOU……Studies Highlight Top Sources of PollutionTransportation, especially cars and planes.Food production, meat and dairy in particular–was another.Energy production for heating, cooling and running household appliances.

How can we avoid pollution?

On Days when High Particle Levels are Expected, Take these Extra Steps to Reduce Pollution:Reduce the number of trips you take in your car.Reduce or eliminate fireplace and wood stove use.Avoid burning leaves, trash, and other materials.Avoid using gas-powered lawn and garden equipment.