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

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

   Air quality alerts are used to inform the public about pollution levels in the air, and to advise vulnerable groups to take precautions. The Air Quality Index was created by the EPA to monitor and ...

3. 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 ...

4. 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.

5. Air quality guideline - Wikipedia

   en.wikipedia.org/wiki/Air_quality_guideline

   The guidelines offer guidance about these air pollutants: particulate matter (PM), ozone (O 3), nitrogen dioxide (NO 2), sulfur dioxide (SO 2) and carbon monoxide (CO). [2] The WHO first released the air quality guidelines in 1987, then updated them in 1997. [ 2 ]

6. Air pollution measurement - Wikipedia

   en.wikipedia.org/wiki/Air_pollution_measurement

   The Air Quality Egg is an example of a low-cost, personal air pollution sensor. At one end of the scale, there are small, inexpensive portable (and sometimes wearable), Internet-connected air pollution sensors, such as the Air Quality Egg and PurpleAir. [ 9 ]

7. Why you should pay attention to the new air quality alert on ...

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   The new feature will tell you when air quality is so poor in the metro-east that you should take precautions, like staying inside. Why you should pay attention to the new air quality alert on your ...

8. What's an air quality alert? Which Tennessee city has worst ...

   www.aol.com/whats-air-quality-alert-tennessee...

   Air quality alerts are becoming more frequent with the changes happening to the climate, but what are they?

9. Cincinnati weather: Air quality alert in effect Thursday ...

   www.aol.com/cincinnati-weather-air-quality-alert...

   The Southwest Ohio Air Quality Agency has issued an air quality alert through Thursday night.. According to the National Air Quality Index, ozone pollutants are expected to reach the "orange ...