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The high heat and humidity led officials to issue an air quality alert for parts of New Hampshire on Tuesday. This is the ninth air quality action day so far this year, which is up from last year's ...

Here are some tips for how to stay safe during the heat wave and advice on what to do if you start to fill sick.

The stretch of hot and humid weather continues on Tuesday during what is shaping up to be the state's fourth heat wave of the year.

The NWS forecasts that ground-level ozone and particulate concentrations will reach dangerous levels and even normally healthy people should exercise caution.