AEUS71 KCTP 181649 AQACTP Air Quality Alert Message Pennsylvania Department of Environmental Protection Relayed by National Weather Service State College PA 1249 PM EDT Mon May 18 2026 PAZ057-059-063-065-066-190400- Dauphin-Lebanon-Cumberland-York-Lancaster- 1249 PM EDT Mon May 18 2026 ...AIR QUALITY ALERT IN EFFECT THROUGH TONIGHT... The Pennsylvania Department of Environmental Protection has issued a Code ORANGE Air Quality Alert for Ground Level Ozone, until midnight EDT tonight. 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 www.airnow.gov, and www.aqpartners.state.pa.us. $$