The state Department of Environmental Protection has issued an air-quality alert for the Boston area that runs until 11 p.m. tonight due to higher than normal levels of ground-level ozone.
Unusually sensitive people should consider reducing prolonged or heavy exertion outdoors.
But, yeah, the heat: The National Weather Service has a heat advisory in effect until 8 p.m. on Tuesday:
HEAT INDEX VALUES...Up to 103 due to temperatures in the upper 80s to mid 90s, and dewpoints in the lower to mid 70s.
* TIMING...Today and Tuesday.
* IMPACTS...The heat and humidity may cause heat stress during outdoor exertion or extended exposure.