AEUS71 KBOX 181518 AQABOX Air Quality Alert Message Relayed by National Weather Service Boston/Norton MA 1118 AM EDT Mon May 18 2026 CTZ002-190300- Hartford CT- Including the cities of Hartford and Windsor Locks 1118 AM EDT Mon May 18 2026 ...AIR QUALITY ALERT IN EFFECT UNTIL 11 PM EDT THIS EVENING... The Connecticut 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 Connecticut Department of Energy and Environmental Protection website at: https://portal.ct.gov/deep $$ MAZ008>011-190300- Western Hampshire MA-Western Hampden MA-Eastern Hampshire MA- Eastern Hampden MA- Including the cities of Chesterfield, Blandford, Amherst, Northampton, and Springfield 1118 AM EDT Mon May 18 2026 ...AIR QUALITY ALERT IN EFFECT UNTIL 11 PM EDT THIS EVENING... The Massachusetts Department of Environmental Protection has issued an Air Quality Alert for Ground Level Ozone, until 11 PM EDT this evening. An Air Quality Alert means that Ground Level Ozone concentrations within the region may approach or exceed levels that are Unhealthy for Sensitive Groups. Air is unhealthy for sensitive children and adults, such as those with asthma, lung or heart disease, and older adults. Sensitive children and adults should limit prolonged outdoor activity. For additional information, please visit the Massachusetts Department of Environmental Protection website at: https://mass.gov/dep/massair/forecast $$ RIZ001>008-190300- Northwest Providence RI-Southeast Providence RI-Western Kent RI- Eastern Kent RI-Bristol RI-Washington RI-Newport RI-Block Island RI- Including the cities of Foster, Smithfield, Providence, Coventry, West Greenwich, East Greenwich, Warwick, West Warwick, Bristol, Narragansett, Westerly, Newport, and New Shoreham 1118 AM EDT Mon May 18 2026 ...AIR QUALITY ALERT IN EFFECT FROM 11 AM TO 11 PM EDT TUESDAY... The Rhode Island Department of Environmental Management has issued an Air Quality Action Day for Ground Level Ozone and Fine Particulates, from 11 AM to 11 PM EDT Tuesday. An Air Quality Action day means that Ground Level Ozone and Fine Particulates concentrations within the region may approach or exceed unhealthy standards. For additional information, please visit the Rhode Island Department of Environmental Management website at: https://dem.ri.gov/ $$ For the latest updates...please visit our webpage at www.weather.gov/boston You can follow us on Facebook at www.facebook.com/us.nationalweatherservice.boston.gov You can follow us on Twitter at @NWSBoston