Prevent Tick Bites

Tick bite season is off to a busy start. You can protect yourself and your loved ones from tick-borne diseases by avoiding tick bites.

Learn more

Update: The Health Advisory Area for Cyanobacteria Algae in the Charles River has Been Expanded

Read More
News

Recovery Month Book Club

  • September 08, 2026
  • 6:30 p.m. - 8:00 p.m.
  • Cambridge Public Library
    Central Square Branch
    45 Pearl Street
    Cambridge, MA 02139
Read More
Events

Access Data and Resources

View our data, educational resources, and publications.