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  2. The higher the AQI value, the greater the level of air pollution and the greater the health concern. For example, an AQI value of 50 or below represents good air quality, while an AQI value over 300 represents hazardous air quality.

    www.airnow.gov/aqi/aqi-basics/
    Pollutants of major public health concern include particulate matter, carbon monoxide, ozone, nitrogen dioxide and sulfur dioxide. Outdoor and indoor air pollution cause respiratory and other diseases and are important sources of morbidity and mortality.
    www.who.int/health-topics/air-pollution
     
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    WEBJun 6, 2023 · Poor air quality can be caused by any airborne “irritant” — a particle or substance in the air that is harmful to a person to breathe in, according to Dr. Purvi Parikh, an allergist and...

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    WEB7 rows · The table below defines the Air Quality Index scale as defined by the US-EPA 2016 standard: For more information about the pollutants included in the AQI scale, please refer to: PM 2.5 instant-cast scale. …

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  10. What is the Air Quality Index? Here's How to Stay …

    WEBJun 29, 2023 · What are some of the harmful effects of poor air quality? The effects of air pollution can be mild, like eye and throat irritation, or serious, including heart and respiratory issues.

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    WEBAir Quality Index (AQI) & Health. Millions of people live in areas where air pollution can cause serious health problems. Local air quality can affect our daily lives. Like the weather, it can change from day to day.

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