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  2. Why air quality is worse when it's really hot - AOL

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    The U.S. has a measurement system for air quality called the air quality index (AQI). The AQI has six color-coded categories with a value system that runs from zero to 500.

  3. New report says a quarter of Americans are breathing ... - AOL

    www.aol.com/report-says-quarter-americans...

    The most consistent areas of the country impacted by poor air quality are on the West Coast, where there’s been an increase of nearly two times as many poor air quality days compared to the ...

  4. Biden urged to declare climate emergency as millions under ...

    www.aol.com/biden-urged-declare-climate...

    People living in the Midwest and Northeast were warned of a worsening air quality index throughout the week due to smoke from the Canadian wildfires

  5. Air quality index - Wikipedia

    en.wikipedia.org/wiki/Air_quality_index

    The most commonly used air quality index in the UK is the Daily Air Quality Index recommended by the Committee on the Medical Effects of Air Pollutants (COMEAP). [39] This index has ten points, which are further grouped into four bands: low, moderate, high and very high. Each of the bands comes with advice for at-risk groups and the general ...

  6. EDITORIAL: Air quality alerts are a climate change alarm - AOL

    www.aol.com/news/editorial-air-quality-alerts...

    The red alert — a condition considered unhealthy for all — issued by the Minnesota Pollution Control Agency was the first for 2024, following ... EDITORIAL: Air quality alerts are a climate ...

  7. Air stagnation - Wikipedia

    en.wikipedia.org/wiki/Air_stagnation

    This condition typically correlates with air pollution and poor air quality due to the possible health risks it can cause to humans and the environment. [1] Due to light winds and lack of precipitation, pollutants cannot be cleared from the air, either gaseous (such as ozone) or particulate (such as soot or dust). [2]

  8. Detroit and DC suffer worst air quality in world while at ...

    www.aol.com/air-quality-latest-biden-urged...

    People living in the Midwest and Northeast were warned of a worsening air quality index throughout the week due to smoke from the Canadian wildfires

  9. What does an Air Quality Alert mean? What to know about it ...

    www.aol.com/does-air-quality-alert-mean...

    The Air Quality Index was created by the EPA to monitor and report on air quality. There are five major air pollutants. They include: ground-level ozone. particle pollution. carbon monoxide ...