Delaware Weather & Safety Alerts
6 active alerts ยท Updated July 17, 2026
Data source: National Weather Service (NWS) Last verified: July 17, 2026
Air Quality
Air Quality Alert (ADVISORY) - expires July 18, 2026 at 12:00 AM EDT
Areas affected: New Castle
Air Quality Alert issued July 16 at 3:45PM EDT by NWS Mount Holly NJ
The Delaware Department of Natural Resources and Environmental Control has issued a code red air quality alert Friday for New Castle County.
A code red air quality alert means that air pollution concentrations within the region are unhealthful for the general population. The effects of air pollution can be minimized by avoiding strenuous activity or exercise outdoors.
For more information on ground-level ozone and fine particles...visit http://www.dnrec.delaware.gov
Source: NWS Mount Holly NJ
Air Quality Alert (ADVISORY) - expires July 18, 2026 at 12:00 AM EDT
Areas affected: Kent
Air Quality Alert issued July 16 at 3:45PM EDT by NWS Mount Holly NJ
The Delaware Department of Natural Resources and Environmental Control has issued a code red air quality alert Friday for Kent County Delaware.
A code red air quality alert means that air pollution concentrations within the region are unhealthful for the general population. The effects of air pollution can be minimized by avoiding strenuous activity or exercise outdoors.
For more information on ground-level ozone and fine particles...visit http://www.dnrec.delaware.gov
Source: NWS Mount Holly NJ
Air Quality Alert (ADVISORY) - expires July 18, 2026 at 12:00 AM EDT
Areas affected: Inland Sussex; Delaware Beaches
Air Quality Alert issued July 16 at 3:45PM EDT by NWS Mount Holly NJ
The Delaware Department of Natural Resources and Environmental Control has issued a code red air quality alert Friday for Sussex County Delaware.
A code red air quality alert means that air pollution concentrations within the region are unhealthful for the general population. The effects of air pollution can be minimized by avoiding strenuous activity or exercise outdoors.
For more information on ground-level ozone and fine particles...visit http://www.dnrec.delaware.gov
Source: NWS Mount Holly NJ
Air Quality Alert (ADVISORY) - expires July 18, 2026 at 12:00 AM EDT
Areas affected: New Castle
Air Quality Alert issued July 16 at 3:45PM EDT by NWS Mount Holly NJ
The Delaware Department of Natural Resources and Environmental Control has issued a code red air quality alert Friday for New Castle County.
A code red air quality alert means that air pollution concentrations within the region are unhealthful for the general population. The effects of air pollution can be minimized by avoiding strenuous activity or exercise outdoors.
For more information on ground-level ozone and fine particles...visit http://www.dnrec.delaware.gov
Source: NWS Mount Holly NJ
Air Quality Alert (ADVISORY) - expires July 18, 2026 at 12:00 AM EDT
Areas affected: Inland Sussex; Delaware Beaches
Air Quality Alert issued July 16 at 3:45PM EDT by NWS Mount Holly NJ
The Delaware Department of Natural Resources and Environmental Control has issued a code red air quality alert Friday for Sussex County Delaware.
A code red air quality alert means that air pollution concentrations within the region are unhealthful for the general population. The effects of air pollution can be minimized by avoiding strenuous activity or exercise outdoors.
For more information on ground-level ozone and fine particles...visit http://www.dnrec.delaware.gov
Source: NWS Mount Holly NJ
Air Quality Alert (ADVISORY) - expires July 18, 2026 at 12:00 AM EDT
Areas affected: Kent
Air Quality Alert issued July 16 at 3:45PM EDT by NWS Mount Holly NJ
The Delaware Department of Natural Resources and Environmental Control has issued a code red air quality alert Friday for Kent County Delaware.
A code red air quality alert means that air pollution concentrations within the region are unhealthful for the general population. The effects of air pollution can be minimized by avoiding strenuous activity or exercise outdoors.
For more information on ground-level ozone and fine particles...visit http://www.dnrec.delaware.gov
Source: NWS Mount Holly NJ
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.