National Air Quality Awareness Week in USA
National Air Quality Awareness Week in USA is held on May 1. Starts on the first Monday in May. This event in the first decade of the month May is annual. 
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The National Weather Service (NWS), the U.S. Environmental Protection Agency (EPA), and the U.S. Centers for Disease Control and Prevention urge Americans to be aware of “What’s your Air Quality IQ?” during Air Quality Awareness Week.
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