AIR QUALITY ALERT IN EFFECT UNTIL 11 PM EDT THIS EVENING... The Massachusetts Department of Environmental Protection has issued an Air Quality Action Day for Ground Level Ozone, until 11 PM EDT this evening. An Air Quality Action day means that Ground Level Ozone concentrations within the region may approach or exceed unhealthy standards. For additional information, please visit the Massachusetts Department of Environmental Protection website at: https://bit.ly/2AHIcoQ