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U.S. Soccer Air Quality Index Guidelines

If clubs/teams are aware of a potential air quality issue in their home market in advance of hosting a match, they must notify the league as soon as they become aware of the issue. Teams/Clubs can use to determine air quality index (AQI) in the local market. AQI is to be read 1 hour prior to teams starting warmups. The table below shows the levels of concern, values of air quality index, and description of air quality:

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 Based on the reading the following should be considered: 

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If you want to get more information, go to: 

At all times adhere to and collaborate with local and state public health department guidelines. 


United States Environmental Protection Agency. (2014). Air Quality Index – A guide to air quality and your health. 

Air Quality Index Guidelines

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