MANCHESTER, N.H. —

An air quality alert has been issued for particle pollution in all New Hampshire counties.

The National Weather Service said the air quality alert went into effect at 2:13 p.m. and will be in effect until 10 a.m. Monday.

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NWS said the New Hampshire Department of Environmental Services is predicting unhealthy air quality in all New Hampshire counties. Children and older adults, anyone with lung diseases such as asthma or bronchitis, and people who are active outdoors are most susceptible, according to the New Hampshire Department of Environmental Services.

The air quality alert was also issued in several counties in Maine, including Oxford, Franklin and Cumberland.

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