Best Air Quality Index (AQI) Mobile App

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Running Girl in the City Skyline


Many people live in the large cities in order to provide for their families.  Large cities provide many opportunities for people to succeed in business, engineering, health, other countless professions.  In order to help relieve the stress of city work, many people take up running for exercise since it provides benefits such as making them feel better physically, emotionally, and spiritually.

But living in the big city there is the drawback of air quality being of lower quality standards.   In the city, there are many automobiles, buses, and other motorized transportation.  These motors release carbons in the air and contribute to low air quality.

Being a runner, there are 3 main types of air quality index standards to learn about.  These 3 types of air quality measurement standards are shown below:

  • Fine Particulate Matter 2.5
  • Fine Particulate Matter 10
  • Ozone

"Particulate Matter," also known as particle pollution or PM, is a complex mixture of extremely small particles and liquid droplets. Particle pollution is made up of a number of components, including acids (such as nitrates and sulfates), organic chemicals, metals, and soil or dust particles (reference EPA Air Quality Fine Particulate Matter definition here).

The size of particles is directly linked to their potential for causing health problems.

Fine Particulate Matter 2.5 are fine particles such as those found in smoke and haze, are 2.5 micrometers in diameter and smaller. These particles can be directly emitted from sources such as forest fires, or they can form when gases emitted from power plants, industries and automobiles react in the air.

Fine Particulate Matter 10 are the fine particles such as those found near roadways and dusty industries, are larger than 2.5 micrometers and smaller than 10 micrometers in diameter.

The EPA is concerned about particles that are 10 micrometers in diameter or smaller because those are the particles that generally pass through the throat and nose and enter the lungs. Once inhaled, these particles can affect the heart and lungs and cause serious health effects.

The last air quality standard is Ozone which is a colorless gas composed of three atoms of oxygen. Ozone occurs both in the Earth's upper atmosphere and at ground level.   The bad ozone is near ground level and is near the Earth's lower atmosphere.  This ground level bad ozone is formed when pollutants emitted by cars, power plants, industrial boilers, refineries, chemical plants, and other sources react chemically in the presence of sunlight.

The following is the acceptable best air quality standards for all runners:


Best Air Quality Index (AQI) for Runners


Air Quality Index Standards Ratings


 After learning about the air quality index (AQI) from the EPA website, I wanted Air Quality Index EPA logoa mobile phone app that would give me the real-time AQI for my running locations. The best mobile phone app for the real-time monitoring of AQI was called "EPA's AIRNow".

This is a FREE mobile phone app which is pretty good. The AIRNow phone app screen is shown below once it is installed on your phone, all you have to do is just enter in your running area code and it will give you the real-time AQI number.



Air Now mobile app screenshot


You can download this FREE mobile app from these app stores below.   Just type in "EPA's AIRNow".

  • Google Play Store
  • Apple App Store


Let us know if you like this free phone app to monitor the Air Quality Index (AQI) in your city. Happy Running!!





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