Air Quality Index

Air quality index

An air quality index is an approximation of how polluted the air currently is or how polluted it is forecast to become. As air pollution levels rise, so does the AQI, along with the associated public health risks. Different countries have their own air quality indices, corresponding to different national air quality standards. These include Canada's Air Quality Health Index, Malaysia's Air Pollution Index, and Singapore's Pollutant Standards Index. Pollutants that are commonly monitored include ground-level ozone, particulates, sulfur dioxide, carbon monoxide, and nitrogen dioxide. Children, the elderly, and individuals with respiratory or cardiovascular problems are typically the first groups affected by poor air quality. When the AQI is high, governmental bodies generally encourage people to reduce physical activity outdoors, or even avoid going out altogether.

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• Related Topics:  Air Quality Index Category, Air Pollution - Air Pollution Is The Presence Of Substances In The Air That Are Harmful To Humans, Other Living Beings Or The Environment. Pollutants Can Be Gases, Like Ozone Or Nitrogen Oxides, Or Small Particles Like Soot And Dust. Both Outdoor And Indoor Air Can Be Polluted., Air Pollution Forecasting - Air Pollution Forecasting Is The Application Of Science And Technology To Predict The Composition Of The Air Pollution In The Atmosphere For A Given Location And Time. An Algorithm Prediction Of The Pollutant Concentrations Can Be Translated Into Air Quality Index, Same As Actual Measurements., Air Pollution Measurement - Air Pollution Measurement Is The Process Of Collecting And Measuring The Components Of Air Pollution, Notably Gases And Particulates., Clean Air Zone - A Clean Air Zone Is An Area In The United Kingdom Where Targeted Action Is Taken To Improve Air Quality. A Caz Can Be Non-Charging Or Charging. Whether A Vehicle Is Charged When Entering Or Moving Through A Caz Depends On The Type Of Vehicle And The Euro Standard Of The Vehicle., Indoor Air Quality - Indoor Air Quality Is The Air Quality Within Buildings And Structures. Poor Indoor Air Quality Due To Indoor Air Pollution Is Known To Affect The Health, Comfort, And Well-Being Of Building Occupants., Low Emission Zone - A Low-Emission Zone Is A Defined Area Where Access By Some Polluting Vehicles Is Restricted Or Deterred With The Aim Of Improving Air Quality., Environmental Indices, Atmosphere Of Earth, Air Pollution