


Air Quality Alert
Issued by NWS Boston, MA
Issued by NWS Boston, MA
113 AEUS71 KBOX 111243 AQABOX Air Quality Alert Message Relayed by National Weather Service Boston/Norton MA 843 AM EDT Mon Aug 11 2025 CTZ002>004-120300- Hartford CT-Tolland CT-Windham CT- Including the cities of Hartford, Windsor Locks, Union, Vernon, Putnam, and Willimantic 843 AM EDT Mon Aug 11 2025 ...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 $$ MAZ004>016-026-120300- Northern Worcester MA-Central Middlesex MA-Western Essex MA- Eastern Essex MA-Western Hampshire MA-Western Hampden MA- Eastern Hampshire MA-Eastern Hampden MA-Southern Worcester MA- Western Norfolk MA-Southeast Middlesex MA-Suffolk MA- Eastern Norfolk MA-Northern Middlesex MA- Including the cities of Barre, Fitchburg, Framingham, Lowell, Lawrence, Gloucester, Chesterfield, Blandford, Amherst, Northampton, Springfield, Milford, Worcester, Foxborough, Norwood, Cambridge, Boston, Quincy, and Ayer 843 AM EDT Mon Aug 11 2025 ...AIR QUALITY ALERT IN EFFECT UNTIL 11 PM EDT THIS EVENING... The Massachusetts Department of Environmental Protection has issued an Air Quality Alert for Ground Level Ozone, until 11 PM EDT this evening. An Air Quality Alert means that Ground Level Ozone concentrations within the region may approach or exceed levels that are Unhealthy for Sensitive Groups. Air is unhealthy for sensitive children and adults, such as those with asthma, lung or heart disease, and older adults. Sensitive children and adults should limit prolonged outdoor activity. For additional information, please visit the Massachusetts Department of Environmental Protection website at: https://mass.gov/orgs/massachusetts-department-of-environmental- protection $$ For the latest updates...please visit our webpage at www.weather.gov/boston You can follow us on Facebook at www.facebook.com/NWSBoston You can follow us on Twitter at @NWSBoston