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  2. Air quality is a measure of how clean or polluted the air is. Monitoring air quality is important because polluted air can be bad for our health—and the health of the environment. Air quality is measured with the Air Quality Index, or AQI. The AQI works sort of like a thermometer that runs from 0 to 500 degrees.
    The Air Quality Index, or AQI, is the system used to warn the public when air pollution is dangerous. The AQI tracks ozone (smog) and particle pollution (tiny particles from smoke, power plants and factories, vehicle exhaust, and other sources), as well as four other widespread air pollutants.
    www.lung.org/clean-air/outdoors/air-quality-index
    Because air is always moving, air quality can change from day to day, or even from one hour to the next. For a specific location, the air quality is a direct result of both how air moves through the area and how people are influencing the air.
    scied.ucar.edu/learning-zone/air-quality/what-is-air …
    Air quality stations measure concentrations of pollutants in each country or region. Countries or regions define air quality indexes and categorize the raw data into a descriptive rating scale. These indexes make it easier to identify the level of pollution and if there’s any associated risk.
    support.google.com/maps/answer/11270845?hl=en
    Air quality monitors are outfitted with sensors designed to detect specific pollutants. Some use lasers to scan particulate matter density in a cubic metre of air, while others rely on satellite imaging to measure energy reflected or emitted by the Earth.
    www.unep.org/news-and-stories/story/how-air-quali…
     
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    How is air quality measured?The Short Answer: Air quality is measured with the Air Quality Index, or AQI. The AQI works like a thermometer that runs from 0 to 500 degrees. However, instead of showing changes in the temperature, the AQI is a way of showing changes in the amount of pollution in the air. A photograph showing smog over downtown Los Angeles. Credit: Public Domain
    What is air quality & why is it important?Air quality is a measure of how clean or polluted the air is. Monitoring air quality is important because polluted air can be bad for our health—and the health of the environment. Air quality is measured with the Air Quality Index, or AQI. The AQI works sort of like a thermometer that runs from 0 to 500 degrees.
    What is the AQI & how does it affect air quality?The AQI takes into account five of the major air pollutants that are regulated under the Clean Air Act. These pollutants are ground-level ozone, particle pollution, carbon monoxide, sulfur dioxide and nitrogen dioxide. The Air Quality Index scale rates air quality on a scale from 0 to 500, with 0 being the cleanest to 500 being the most dangerous.
    How is air quality reported?Air quality is reported using the Air Quality Index (AQI). The AQI has six categories that communicate the level of health concern using specific colors. Code Green and Yellow means the air is generally safe for everyone. Code Orange is unhealthy for sensitive groups, including children, senior citizens, and people with heart and lung diseases.
     
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  5. WebThe Air Quality Index (AQI) is used for reporting daily air quality. It tells you how clean or polluted your air is, and what associated health effects might be a concern for you. The AQI focuses on health effects you may …

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    WebJun 29, 2023 · What is the Air Quality Index? The Air Quality Index measures the density of five pollutants in the air: ground-level ozone, particulates, carbon monoxide, nitrogen...

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    WebJun 28, 2023 · Climate. The Air Quality Index and how to use it, explained. 8 things you should know about the number that measures bad air. by Rebecca Leber. Jun 28, 2023, 11:10 AM PDT. Worsening wildfires...

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