AQI Alerts for Palmyra, PA

Air Quality Alert Message Pennsylvania Department of Environmental Protection Relayed by National Weather Service State College PA 330 PM EST Sat Dec 6 2025 Dauphin-Lebanon-Cumberland-York-Lancaster- 330 PM EST Sat Dec 6 2025 ...AIR QUALITY ALERT IS IN EFFECT FOR SUNDAY DECEMBER 7... The Pennsylvania Department of Environmental Protection has issued a Code ORANGE Air Quality Alert on Sunday for the Susquehanna Valley. A Code ORANGE Air Quality Alert means that air pollution concentrations within the region may become unhealthy for sensitive groups. Sensitive groups include children, people suffering from asthma, heart disease or other lung diseases, and the elderly. 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.airnow.gov and http://www.aqpartners.state.pa.us.