New Hampshire Weather & Safety Alerts
2 active alerts ยท Updated July 19, 2026
Data source: National Weather Service (NWS) Last verified: July 19, 2026
Air Quality
Air Quality Alert (ADVISORY) - expires July 19, 2026 at 12:00 AM EDT
Areas affected: Northern Coos; Southern Coos; Northern Grafton; Northern Carroll; Southern Grafton; Southern Carroll; Sullivan; Merrimack; Belknap; Strafford; Cheshire; Eastern Hillsborough; Interior Rockingham; Coastal Rockingham; Western And Central Hillsborough
Air Quality Alert issued July 18 at 3:11AM EDT by NWS Gray ME
The New Hampshire Department of Environmental Services has issued an Air Quality Alert for particle pollution until 11 PM EDT this evening.
A Code Orange Air Quality Alert means that air pollution concentrations statewide may become unhealthy for sensitive groups. Sensitive groups include children and older adults; anyone with lung disease such as asthma, emphysema, and bronchitis; and people who are active outdoors. Even healthy individuals may experience mild health effects and should consider limiting strenuous or prolonged outdoor activities.
The New Hampshire Department of Environmental Services is predicting unhealthy air quality for sensitive individuals in the above- mentioned counties. Sensitive individuals include children and older adults; anyone with lung disease such as asthma, emphysema, and bronchitis; and people who are active outdoors. Even healthy individuals may experience mild health effects and should consider limiting strenuous or prolonged outdoor activities.
For additional information, please visit the New Hampshire Department of Environmental Services website at, https://www4\.des.state.nh.us/airdata/
Source: NWS Gray ME
Air Quality Alert (ADVISORY) - expires July 19, 2026 at 12:00 AM EDT
Areas affected: Northern Coos; Southern Coos; Northern Grafton; Northern Carroll; Southern Grafton; Southern Carroll; Sullivan; Merrimack; Belknap; Strafford; Cheshire; Eastern Hillsborough; Interior Rockingham; Coastal Rockingham; Western And Central Hillsborough
Air Quality Alert issued July 17 at 3:35PM EDT by NWS Gray ME
The New Hampshire Department of Environmental Services has issued an Air Quality Alert for particle pollution from midnight tonight to 11 PM EDT Saturday.
A Code Orange Air Quality Alert means that air pollution concentrations statewide may become unhealthy for sensitive groups. Sensitive groups include children and older adults; anyone with lung disease such as asthma, emphysema, and bronchitis; and people who are active outdoors. Even healthy individuals may experience mild health effects and should consider limiting strenuous or prolonged outdoor activities.
The New Hampshire Department of Environmental Services is predicting unhealthy air quality for sensitive individuals in the above- mentioned counties. Sensitive individuals include children and older adults; anyone with lung disease such as asthma, emphysema, and bronchitis; and people who are active outdoors. Even healthy individuals may experience mild health effects and should consider limiting strenuous or prolonged outdoor activities.
For additional information, please visit the New Hampshire Department of Environmental Services website at, https://www4\.des.state.nh.us/airdata/
Source: NWS Gray ME
Source
Alert data provided by the National Weather Service (NWS). This page shows active alerts only and is refreshed daily. For real-time updates, visit weather.gov.