The AQI is calculated by converting measured pollutant concentrations to a uniform index which is based on the health effects associated with a pollutant.
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Aug 28, 2023 · Refer to the AQI Technical Assistance Document for equations on how to calculate the AQI from pollutant concentration.
AQI to Concentration Calculator. DIRECTIONS: Select a pollutant, then enter the AQI value. Click on “Calculate” to see the results. Select a Pollutant.
Jul 5, 2016 · The daily ozone AQI is calculated by taking the maximum 8 hour concentration from 07:00-23:00 LST, and then converting to AQI. There are 17 8- ...
Think of the AQI as a yardstick that runs from 0 to 500. The higher the AQI value, the greater the level of air pollution and the greater the health concern.
Apr 29, 2020 · Our air quality index is calculated based on averages of all pollutant concentrations measured in a full hour, a full 8 hours, or a full day. To ...
Air quality is measured with the Air Quality Index, or AQI. The AQI works like a thermometer that runs from 0 to 500 degrees. However, instead of showing ...
An air quality index (AQI) is an indicator developed by government agencies to communicate to the public how polluted the air currently is or how polluted ...
EPA calculates the AQI for five major air pollutants regulated by the Clean Air Act: ground-level ozone, particle pollution (also known as particulate matter), ...
Aug 10, 2015 · The AQI is measured on a scale of 0 to 500. The higher the AQI value, the greater the level of air pollution and the greater the health concern.