* WHAT. Heat index values up to 96 expected. * WHERE. Portions of south central, southwest, west central, and western Maine and northern and southern New Hampshire. * WHEN. From noon to 8 PM EDT Wednesday. * IMPACTS. Hot temperatures and high humidity may cause heat illnesses.

* WHAT. For the first Heat Advisory, heat index values up to 95. For the second Heat Advisory, heat index values up to 96 expected. * WHERE. Sullivan, Southern Grafton, and Cheshire Counties. * WHEN. For the first Heat Advisory, until 8 PM EDT this evening. For the second Heat Advisory, from noon to 8 PM EDT Wednesday. * IMPACTS. Hot temperatures and high humidity may cause heat illnesses. * ADDITIONAL DETAILS. Warm overnight low temperatures in the 70s will add to cumulative heat stress.

* WHAT. For the Heat Advisory, heat index values up to 100 expected this afternoon and 95 to 105 for the warning on Wednesday. * WHERE. Portions of southwest and western Maine and central, northern, and southern New Hampshire. * WHEN. For the Heat Advisory, until 8 PM EDT this evening. For the Excessive Heat Warning, from noon Wednesday to 8 PM EDT Thursday. * IMPACTS. Heat related illnesses increase significantly during extreme heat and high humidity events. * ADDITIONAL DETAILS. Warm overnight low temperatures in the 70s will result in greater cumulative heat stress.

The Maine Department of Environmental Protection's Bureau of Air Quality has issued an Air Quality Alert for ozone from 11 AM to 11 PM EDT Wednesday. The Maine Department of Environmental Protection recommends that individuals consider limiting strenuous outdoor physical activity to reduce the risk of adverse health effects. People who may be especially sensitive to the effects of elevated levels of pollutants include the very young, the elderly, those with pre-existing respiratory problems such as asthma, those with heart disease and anyone who is working hard outdoors. It is okay to be active outdoors. But if you experience symptoms such as shortness of breath, coughing, throat irritation or an uncomfortable sensation in your chest please consider limiting the intensity and duration of your outdoor activities. A toll free air quality hotline has been established so Maine residents can stay informed on the air quality situations. The toll free number is: 1-800-223-1196. Additionally the Maine Department of Environmental Protection has the air quality forecast available on the web at www.maine.gov/dep/air/aqforecast.

The New Hampshire Department of Environmental Services has issued an Air Quality Alert for ozone from 11 AM to 11 PM EDT Wednesday. The New Hampshire Department of Environmental Services is predicting unhealthy air quality in the above-mentioned counties. Sensitive individuals include children and older adults; anyone with lung disease such as asthma, emphysema, and bronchitis; and people who are active outdoors. Even healthy individuals may experience mild health effects and should consider limiting strenuous or prolonged outdoor activities. For additional information, please visit the New Hampshire Department of Environmental Prediction website at, https://www4.des.state.nh.us/airdata/

The New Hampshire Department of Environmental Services has issued an Air Quality Alert for ozone until 11 PM EDT this evening. The New Hampshire Department of Environmental Services is predicting unhealthy air quality in the above-mentioned counties. Sensitive individuals include children and older adults; anyone with lung disease such as asthma, emphysema, and bronchitis; and people who are active outdoors. Even healthy individuals may experience mild health effects and should consider limiting strenuous or prolonged outdoor activities. For additional information, please visit the New Hampshire Department of Environmental Prediction website at, https://www4.des.state.nh.us/airdata/

* WHAT. Heat index values up to 99. * WHERE. Portions of northern Connecticut, central, eastern, northeastern, and western Massachusetts, and northern Rhode Island. * WHEN. Until 7 PM EDT Friday. * IMPACTS. Hot temperatures and high humidity may cause heat illnesses.

* WHAT. For the first Heat Advisory, heat index values up to 98. For the second Heat Advisory, heat index values up to 102 expected. For the Excessive Heat Watch, dangerously hot conditions with heat index values up to 101 possible. * WHERE. In Connecticut, Hartford CT and Tolland CT Counties. In Massachusetts, Central Middlesex MA, Southeast Middlesex MA, Western Norfolk MA, Western Essex MA, Eastern Franklin MA, Eastern Hampden MA, and Eastern Hampshire MA Counties. * WHEN. For the first Heat Advisory, until 7 PM EDT this evening. For the second Heat Advisory, from 8 AM to 7 PM EDT Wednesday. For the Excessive Heat Watch, from Thursday morning through Friday evening. * IMPACTS. Heat related illnesses increase significantly during extreme heat and high humidity events.

* WHAT. Heat index values up to 98 expected. * WHERE. In Massachusetts, Eastern Plymouth MA, Northern Bristol MA, and Western Plymouth MA Counties. In Rhode Island, Bristol RI, Eastern Kent RI, Southeast Providence RI, and Western Kent RI Counties. * WHEN. From noon Wednesday to 7 PM EDT Friday. * IMPACTS. Hot temperatures and high humidity may cause heat illnesses.

* WHAT. For the first Heat Advisory, heat index values up to 95. For the second Heat Advisory, heat index values up to 96 expected. * WHERE. Sullivan, Southern Grafton, and Cheshire Counties. * WHEN. For the first Heat Advisory, until 8 PM EDT this evening. For the second Heat Advisory, from noon to 8 PM EDT Wednesday. * IMPACTS. Hot temperatures and high humidity may cause heat illnesses. * ADDITIONAL DETAILS. Warm overnight low temperatures in the 70s will add to cumulative heat stress.

* WHAT. Heat index values up to 96 expected. * WHERE. Portions of south central, southwest, west central, and western Maine and northern and southern New Hampshire. * WHEN. From noon to 8 PM EDT Wednesday. * IMPACTS. Hot temperatures and high humidity may cause heat illnesses. * ADDITIONAL DETAILS. Warm overnight low temperatures in the 70s will add to cumulative heat stress.

* WHAT. For the Heat Advisory, heat index values up to 100 expected this afternoon and 95 to 105 for the warning on Wednesday. * WHERE. Portions of south central, southwest, and western Maine and central, northern, and southern New Hampshire. * WHEN. For the Heat Advisory, until 8 PM EDT this evening. For the Excessive Heat Warning, from noon to 8 PM EDT Wednesday. * IMPACTS. Heat related illnesses increase significantly during extreme heat and high humidity events. * ADDITIONAL DETAILS. Warm overnight low temperatures in the 70s will result in greater cumulative heat stress.