Air Quality Alert issued June 17 at 4:33PM EDT by NWS Boston/Norton MA
Now
From Monday 16:33 (23 hours ago)
Until Today 23:00 (7 hours from now)
Official warning explanations:

The Massachusetts Department of Environmental Protection has issued an Air Quality Alert for Ground Level Ozone, from 11 AM to 11 PM EDT Tuesday.

An Air Quality Alert means that Ground Level Ozone concentrations within the region may approach or exceed levels that are Unhealthy for Sensitive Groups.

Air is unhealthy for sensitive children and adults, such as those with asthma, lung or heart disease, and older adults. Sensitive children and adults should limit prolonged outdoor activity.

For additional information, please visit the Massachusetts Department of Environmental Protection website at: https://mass.gov/orgs/massachusetts-department-of-environmental- protection

The Massachusetts Department of Environmental Protection has issued an Air Quality Alert for Ground Level Ozone, from 11 AM to 11 PM EDT Tuesday. An Air Quality Alert means that Ground Level Ozone concentrations within the region may approach or exceed levels that are Unhealthy for Sensitive Groups. Air is unhealthy for sensitive children and adults, such as those with asthma, lung or heart disease, and older adults. Sensitive children and adults should limit prolonged outdoor activity. For additional information, please visit the Massachusetts Department of Environmental Protection website at: https://mass.gov/orgs/massachusetts-department-of-environmental- protection

Heat Advisory issued June 18 at 1:57PM EDT until June 18 at 7:00PM EDT by NWS Boston/Norton MA
Moderate
Now
From Today 13:57 (1 hour ago)
Until Today 22:00 (6 hours from now)
Official warning explanations:
  • WHAT: For the first Heat Advisory, heat index values up to 100. 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...For the first Heat Advisory, heat index values up to 100. 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.

Instructions:

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

Heat Advisory issued June 18 at 1:57PM EDT until June 19 at 7:00PM EDT by NWS Boston/Norton MA
Moderate
Upcoming
From Tomorrow 08:00 (16 hours from now)
Until Today 22:00 (6 hours from now)
Official warning explanations:
  • WHAT: For the first Heat Advisory, heat index values up to 100. 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...For the first Heat Advisory, heat index values up to 100. 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.

Instructions:

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

Excessive Heat Watch issued June 18 at 1:57PM EDT until June 21 at 7:00PM EDT by NWS Boston/Norton MA
Severe
Upcoming
From Thursday 08:00 (1 day from now)
Until Today 22:00 (6 hours from now)
Official warning explanations:
  • WHAT: For the first Heat Advisory, heat index values up to 100. 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...For the first Heat Advisory, heat index values up to 100. 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.

Instructions:

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

Heat Advisory issued June 18 at 1:57PM EDT until June 18 at 7:00PM EDT by NWS Boston/Norton MA
Moderate
Now
From Today 13:57 (1 hour ago)
Until Today 22:00 (6 hours from now)
Official warning explanations:
  • WHAT: For the first Heat Advisory, heat index values up to 100. 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...For the first Heat Advisory, heat index values up to 100. 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.

Instructions:

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

Heat Advisory issued June 18 at 1:57PM EDT until June 19 at 7:00PM EDT by NWS Boston/Norton MA
Moderate
Upcoming
From Tomorrow 08:00 (16 hours from now)
Until Today 22:00 (6 hours from now)
Official warning explanations:
  • WHAT: For the first Heat Advisory, heat index values up to 100. 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...For the first Heat Advisory, heat index values up to 100. 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.

Instructions:

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

Excessive Heat Watch issued June 18 at 1:57PM EDT until June 21 at 7:00PM EDT by NWS Boston/Norton MA
Severe
Upcoming
From Thursday 08:00 (1 day from now)
Until Today 22:00 (6 hours from now)
Official warning explanations:
  • WHAT: For the first Heat Advisory, heat index values up to 100. 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...For the first Heat Advisory, heat index values up to 100. 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.

Instructions:

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

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