Federal authorities are weighing a move to strengthen current air quality standards for air pollution commonly known as 'soot'. These particles, generated by vehicles and industrial facilities, can have serious health consequences, impacting poor and minority communities particularly hard. MORE: https://www.cbs8.com/article/news/local/federal-authorities-weigh-proposal-to-strengthen-air-quality/509-d9162de8-ea56-4301-b17c-9fd4c43c0a5c