Independence Day fireworks air quality (IMAGE) University of Utah Caption Minute-by-minute outdoor and indoor air particulate matter measurements during the 2018 Independence Day holiday. Credit Daniel Mendoza Usage Restrictions Credit Daniel Mendoza. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.