The Connecticut Department of Energy and Environmental Protection has issued an Air Quality Action Day for the following counties: Fairfield, New Haven, Middlesex, New London from 11 AM to 11 PM EDT Friday. An Air Quality Action Day means that Ground Level Ozone within the region may approach or exceed unhealthy standards. For additional information, please visit the Connecticut Department of Energy and Environmental Protection Web site at: http://www.ct.gov/deep/aqi

* WHAT. Heat index values up to 96. * WHERE. In Connecticut, Hartford CT, Tolland CT, and Windham CT Counties. In Massachusetts, Eastern Hampden MA, Eastern Hampshire MA, Western Hampden MA, and Western Hampshire MA Counties. * WHEN. Until 7 PM EDT Friday. * IMPACTS. Hot temperatures and high humidity may cause heat illnesses.

* WHAT. Heat index values up to 95. * WHERE. Northern Middlesex and Northern New London Counties. * WHEN. Until 6 PM EDT Saturday. * IMPACTS. Hot temperatures and high humidity may cause heat illnesses.