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Air quality index

Index Air quality index

An air quality index (AQI) is a number used by government agencies to communicate to the public how polluted the air currently is or how polluted it is forecast to become. [1]

54 relations: Aerosol, Ahmedabad, Air pollution, Air pollution episode, Air Pollution Index, Air Quality Health Index (Canada), Air stagnation, Almaty, Anticyclone, Arithmetic mean, Atmospheric dispersion modeling, Carbon monoxide, Central Pollution Control Board, Clean Air Act (United States), Department for Environment, Food and Rural Affairs, Dose–response relationship, Environmental Protection Department, European Environment Agency, European Union, Government agency, Haze, Hong Kong, Indian Institute of Technology Kanpur, Indoor air quality, Inversion (meteorology), Kazakhstan, MEP, Metropolitan statistical area, Mexico City, Ministry of Ecology and Environment, Moving average, Mumbai, N Seoul Tower, Namsan (Seoul), National Ambient Air Quality Standards, National Environment Agency, New Delhi, Nitrogen dioxide, NowCast (air quality index), Ozone, Ozone Action Day, Particulates, PDF, Piecewise linear function, Pollutant Standards Index, Pune, Scotland, Seoul, Singapore, Sulfur dioxide, ..., Swachh Bharat mission, Tropospheric ozone, United States Environmental Protection Agency, Wind. Expand index (4 more) »

Aerosol

An aerosol is a suspension of fine solid particles or liquid droplets, in air or another gas.

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Ahmedabad

Ahmedabad, also known as Amdavad is the largest city and former capital of the Indian state of Gujarat.

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Air pollution

Air pollution occurs when harmful or excessive quantities of substances including gases, particulates, and biological molecules are introduced into Earth's atmosphere.

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Air pollution episode

An air pollution episode is an unusual combination of emissions and meteorology that gives rise to high levels of air pollution over a large area.

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Air Pollution Index

The Air Pollution Index (API) is a simple and generalized way to describe the air quality, which is used in Malaysia.

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Air Quality Health Index (Canada)

The Air Quality Health Index or (AQHI) is a scale designed in Canada to help understand the impact of air quality on health.

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Air stagnation

Air stagnation is a phenomenon which occurs when an air mass remains over an area for an extended period.

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Almaty

Almaty (Алматы, Almaty; Алматы), formerly known as Alma-Ata (Алма-Ата) and Verny (Верный Vernyy), is the largest city in Kazakhstan, with a population of 1,797,431 people, about 8% of the country's total population.

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Anticyclone

An anticyclone (that is, opposite to a cyclone) is a weather phenomenon defined by the United States National Weather Service's glossary as "a large-scale circulation of winds around a central region of high atmospheric pressure, clockwise in the Northern Hemisphere, counterclockwise in the Southern Hemisphere".

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Arithmetic mean

In mathematics and statistics, the arithmetic mean (stress on third syllable of "arithmetic"), or simply the mean or average when the context is clear, is the sum of a collection of numbers divided by the number of numbers in the collection.

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Atmospheric dispersion modeling

Atmospheric dispersion modeling is the mathematical simulation of how air pollutants disperse in the ambient atmosphere.

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Carbon monoxide

Carbon monoxide (CO) is a colorless, odorless, and tasteless gas that is slightly less dense than air.

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Central Pollution Control Board

The Central Pollution Control Board (CPCB) of India is a statutory organisation under the Ministry of Environment, Forest and Climate Change (MoE,FCC).

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Clean Air Act (United States)

The Clean Air Act (42 U.S.C.) is a United States federal law designed to control air pollution on a national level.

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Department for Environment, Food and Rural Affairs

The Department for Environment, Food and Rural Affairs (Defra) is the government department responsible for environmental protection, food production and standards, agriculture, fisheries and rural communities in the United Kingdom of Great Britain and Northern Ireland.

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Dose–response relationship

The dose–response relationship, or exposure–response relationship, describes the change in effect on an organism caused by differing levels of exposure (or doses) to a stressor (usually a chemical) after a certain exposure time, or to a food.

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Environmental Protection Department

Environmental Protection Department is a department of Hong Kong Government concerning the issues of environmental protection in Hong Kong.

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European Environment Agency

The European Environment Agency (EEA) is the agency of the European Union (EU) that provides independent information on the environment, thereby helping those involved in developing, adopting, implementing and evaluating environmental policy, as well as informing the general public.

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European Union

The European Union (EU) is a political and economic union of EUnum member states that are located primarily in Europe.

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Government agency

A government or state agency, sometimes an appointed commission, is a permanent or semi-permanent organization in the machinery of government that is responsible for the oversight and administration of specific functions, such as an intelligence agency.

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Haze

Haze is traditionally an atmospheric phenomenon in which dust, smoke, and other dry particulates obscure the clarity of the sky.

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Hong Kong

Hong Kong (Chinese: 香港), officially the Hong Kong Special Administrative Region of the People's Republic of China, is an autonomous territory of China on the eastern side of the Pearl River estuary in East Asia.

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Indian Institute of Technology Kanpur

Indian Institute of Technology Kanpur (also known as IIT Kanpur or IITK) is a public engineering institution located in Kanpur, Uttar Pradesh.

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Indoor air quality

Indoor air quality (IAQ) is a term which refers to the air quality within and around buildings and structures, especially as it relates to the health and comfort of building occupants.

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Inversion (meteorology)

In meteorology, an inversion is a deviation from the normal change of an atmospheric property with altitude.

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Kazakhstan

Kazakhstan (Qazaqstan,; kəzɐxˈstan), officially the Republic of Kazakhstan (Qazaqstan Respýblıkasy; Respublika Kazakhstan), is the world's largest landlocked country, and the ninth largest in the world, with an area of.

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MEP

MEP may refer to.

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Metropolitan statistical area

In the United States, a metropolitan statistical area (MSA) is a geographical region with a relatively high population density at its core and close economic ties throughout the area.

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Mexico City

Mexico City, or the City of Mexico (Ciudad de México,; abbreviated as CDMX), is the capital of Mexico and the most populous city in North America.

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Ministry of Ecology and Environment

The Ministry of Ecology and Environment, formerly the Ministry of Environmental Protection of the People's Republic of China (MEP), and prior to 2008 known as the State Environmental Protection Administration (SEPA), is a department of the State Council of the People's Republic of China.

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Moving average

In statistics, a moving average (rolling average or running average) is a calculation to analyze data points by creating series of averages of different subsets of the full data set.

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Mumbai

Mumbai (also known as Bombay, the official name until 1995) is the capital city of the Indian state of Maharashtra.

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N Seoul Tower

The N Seoul Tower, officially the YTN Seoul Tower and commonly known as the Namsan Tower or Seoul Tower, is a communication and observation tower located on Namsan Mountain in central Seoul, South Korea.

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Namsan (Seoul)

Nam Mountain (pleonastically Namsan Mountain or Mount Namsan, lit. "South Mountain") is a peak, high, in the Jung-gu district of south central Seoul, South Korea.

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National Ambient Air Quality Standards

The U.S. National Ambient Air Quality Standards (NAAQS, pronounced \'naks\) are standards for harmful pollutants.

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National Environment Agency

National Environment Agency (Abbreviation: NEA; Chinese: 国家环境局; Malay: Agensi Sekitaran Kebangsaan) formed on 1 July 2002, is a statutory board under the Ministry of the Environment and Water Resources in Singapore.

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New Delhi

New Delhi is an urban district of Delhi which serves as the capital of India and seat of all three branches of Government of India.

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Nitrogen dioxide

Nitrogen dioxide is the chemical compound with the formula.

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NowCast (air quality index)

The NowCast is a weighted average of hourly air monitoring data used by the United States Environmental Protection Agency for real-time reporting of the Air Quality Index (AQI) for PM (PM10 or PM2.5) or Ozone data.

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Ozone

Ozone, or trioxygen, is an inorganic molecule with the chemical formula.

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Ozone Action Day

An Ozone Action Day, which can be declared by a local municipality, country or state, is observed at certain times during the summer months, when weather conditions (such as heat, humidity, and air stagnation) run the risk of causing health problems.

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Particulates

Atmospheric aerosol particles, also known as atmospheric particulate matter, particulate matter (PM), particulates, or suspended particulate matter (SPM) are microscopic solid or liquid matter suspended in Earth's atmosphere.

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PDF

The Portable Document Format (PDF) is a file format developed in the 1990s to present documents, including text formatting and images, in a manner independent of application software, hardware, and operating systems.

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Piecewise linear function

In mathematics, a piecewise linear function is a real-valued function defined on the real numbers or a segment thereof, whose graph is composed of straight-line sections.

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Pollutant Standards Index

The Pollutant Standards Index, or PSI, is a type of air quality index, which is a number used to indicate the level of pollutants in air.

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Pune

Pune, formerly spelled Poona (1857–1978), is the second largest city in the Indian state of Maharashtra, after Mumbai.

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Scotland

Scotland (Alba) is a country that is part of the United Kingdom and covers the northern third of the island of Great Britain.

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Seoul

Seoul (like soul; 서울), officially the Seoul Special Metropolitan City – is the capital, Constitutional Court of Korea and largest metropolis of South Korea.

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Singapore

Singapore, officially the Republic of Singapore, is a sovereign city-state and island country in Southeast Asia.

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Sulfur dioxide

Sulfur dioxide (also sulphur dioxide in British English) is the chemical compound with the formula.

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Swachh Bharat mission

Swachh Bharat Abhiyan (SBA) (or Swachh Bharat Mission (SBM) or Clean India Mission in English) is a campaign in India that aims to clean up the streets, roads and infrastructure of India's cities, smaller towns, and rural areas.

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Tropospheric ozone

Ozone (O3) is a constituent of the troposphere (it is also an important constituent of some regions of the stratosphere commonly known as the ozone layer).

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United States Environmental Protection Agency

The Environmental Protection Agency is an independent agency of the United States federal government for environmental protection.

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Wind

Wind is the flow of gases on a large scale.

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Redirects here:

AQHI, Air Quality Health Index, Air Quality Health Index (Hong Kong), Air Quality Index, Air Quality Index (China), Air pollutant index, Air pollution index, Aqi index.

References

[1] https://en.wikipedia.org/wiki/Air_quality_index

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