Massachusetts July 27, 2021 7:07 pm Air Quality Alert Extended in Mass. Massachusetts remains under an air quality alert due to wildfires on the West Coast. US & World Videos 4:02 ‘To Catch a Contractor' series leading to changes 1:02 20% of nurses to leave field within 2 years 6:03 Tensions rise during campus protests at MIT and Harvard 1:05 Marking construction safety week in Boston 20:19 Karen Read's attorney accuses witness of perjury at murder trial