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Air Quality Index (AQI) Basics - AirNow
For example, an AQI value of 50 represents good air quality with little potential to affect public health, while an AQI value over 300 represents hazardous air quality. An AQI value of 100 generally corresponds to the national air quality standard for the pollutant, which is the level EPA has set to protect public health....
Last update Sat, 04 Aug 2018 14:54:00 GMT Read More
How is the Air Quality Index (AQI) calculated
How is the Air Quality Index (AQI) calculated? A photo I took on January 13, 2013, in Beijing, during record smog. That lil fella pokin’ through the smog is the Sun....
Last update Thu, 26 Jul 2018 00:02:00 GMT Read More
What is Air Quality Index, its Categories and How Does it
Air quality index (AQI) is a numerical scale used for reporting day to day air quality with regard to human health and the environment. The daily results of the index are used to convey to the public an estimate of air pollution level....
Last update Mon, 07 Mar 2016 13:55:00 GMT Read More
Formula to calculate air quality index - answers.com
The Air Quality Index (AQI) also known as the Air Pollution Index (API) or Pollutant Standard Index (PSI)), is an indicator of air quality, based on pollutants that have adve … rse effects on human health and the environment....
Last update Wed, 01 Aug 2018 01:28:00 GMT Read More