由于污染严重而导致的橙色警戒空气警报波及到巴勒斯坦权力机构中南部部分地区,敦促敏感群体限制户外活动。 A Code Orange air alert due to high pollution affects parts of south-central PA, urging sensitive groups to limit outdoor activity.

从12月7日星期日到12月8日星期一午夜,宾夕法尼亚中南部部分地区,包括兰开斯特、约克、道芬、坎伯兰和黎巴嫩各州,都实行橙色空气质量警报守则。 A Code Orange Air Quality Alert is in effect for parts of south-central Pennsylvania, including Lancaster, York, Dauphin, Cumberland, and Lebanon counties, from Sunday, December 7, through Monday, December 8 at midnight. 温度反向诱捕来自农业和工业等当地来源的污染物,导致微粒物质水平升高,对儿童、老年人、呼吸道或心脏疾病患者等敏感群体构成健康风险。 Elevated particulate matter levels, caused by a temperature inversion trapping pollutants from local sources like farming and industry, pose health risks to sensitive groups such as children, older adults, and those with respiratory or heart conditions. 预计随着冷锋通过，停滞的气团将被打破，预计到周二空气质量将改善。 The stagnant air mass is expected to break as a cold front moves through, improving air quality by Tuesday. 官员建议限制户外活动,尤其是在污染高峰时期。 Officials advise limiting outdoor exertion, especially during peak pollution times.