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.
Air quality alerts
-
-
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.
-
Helena listed as unhealthy for sensitive groups as smoke and heat affected region
Montana DEQ listed Helena’s particulate pollution as Unhealthy for Sensitive Groups at 9 a.m. July 27, while National Weather Service forecasts called for smoke and highs near 94 and 102 degrees.
-
Wildfire smoke prompted air-quality alerts in Grand Rapids region July 18
Wildfire smoke transported into western Michigan affected air quality in the Grand Rapids area on July 18, when National Weather Service Grand Rapids displayed Air Quality Alerts across its forecast area.
-
Massachusetts issued fine-particulate air-quality alert during July smoke episode
Massachusetts issued an Air Quality Action Day for fine particulates on July 17, 2026, during smoky and hazy conditions affecting southern New England, including the Boston area.
-
Wildfire Smoke & Air Quality Alerts: What to do now (and where to check)
United States Weather Safety and Emergency Alerts – NWS Air Quality Alerts for wildfire smoke are time-sensitive. Here’s how to read them and reduce exposure.
-
Boyle Heights fire cleanup still disrupting air, schools and daily life
Los Angeles CA — After June 25 knockdown, city and AQMD guidance still told Boyle Heights residents to limit smoke exposure; schools moved through June 24.