Read as much as you want on BostonGlobe.com, anywhere and anytime, for just 99¢.

BOSTON

Report says nearly 2m Mass. residents face poor air quality

Continue reading below

Nearly two million Massachusetts residents live in counties with failing or near-failing air quality. That is one of the findings of a new report on ozone levels by the American Lung Association that assigns letter grades to counties. The report released early Wednesday found that of the 12 Massachusetts counties with air pollution monitors, three — Barnstable, Hampden, and Norfolk — improved one letter grade for ozone pollution. Essex county jumped two grades from an F to a C. Four counties — Hampshire, Worcester, Bristol, and Dukes — received an F.

Loading comments...
Subscriber Log In

You have reached the limit of 5 free articles in a month

Stay informed with unlimited access to Boston’s trusted news source.

  • High-quality journalism from the region’s largest newsroom
  • Convenient access across all of your devices
  • Today’s Headlines daily newsletter
  • Subscriber-only access to exclusive offers, events, contests, eBooks, and more
  • Less than 25¢ a week
Marketing image of BostonGlobe.com
Marketing image of BostonGlobe.com