Nashua included in New Hampshire Code Orange particle-pollution alert
Nashua was among the southern New Hampshire communities covered by a Code Orange particle-pollution alert that remained in effect until 11 p.m. EDT on July 18, 2026.
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Manchester included in July Code Orange particle-pollution alert during smoky, hot weather
A July 18 Code Orange air-quality alert covered Manchester and other parts of southern New Hampshire through 11 p.m., with officials advising sensitive residents to reduce strenuous outdoor activity.