美国国家跨部门消防中心数据显示，亚利桑那州大峡谷国家公园北缘景区的野火7月4日因闪电引 发，迄今过火面积近453平方公里。截至8月1日上午，仅8%火势得到控制。 据美国有线电视新闻网报道，这场大火已达到特大火灾级别，是美国本土当前在燃的最大野火，并 成为亚利桑那州有记录以来最大规模的十大火灾之一。野火摧毁了历史悠久的"大峡谷旅馆"和至少70座 建筑物。 新华社北京8月2日电 美国西部两场野火近日持续肆虐，截至8月1日，亚利桑那州大峡谷国家公园 北缘景区的野火已发展为"特大火灾"。犹他州宣布进入紧急状态。 美国国家跨部门消防中心8月1日警告，美国西部地区野火季远未结束，"我们正处于夏季和全年火 情的中心"。该机构预测，西部地区的野火高风险将至少持续至9月。（林芮竹） 美国林业局火情信息官莉萨·詹宁斯7月31日告诉美联社记者，起火区域上空连续7天出现"火积 云"，干燥的强风助长了火势。 在邻近的犹他州，7月13日爆发的野火过火面积迄今已达225平方公里。受野火波及的多个镇7月30 日通知人员疏散，电力设施被毁导致犹他州中南部部分社区断电。犹他州州长斯潘塞·考克斯7月31日宣 布该州进入紧急状态。 上周末，这场野火 ...

Group 1 - The wildfires in Canada have burned an area of 22,000 square kilometers this year, with over 26,000 people forced to evacuate in two provinces that have declared a state of emergency [1][2] - There are currently 202 active wildfires across Canada, with 103 of them out of control, particularly affecting the midwestern regions [2] - The smoke from the wildfires has reached Europe, indicating the widespread impact of the fires [2] Group 2 - The Alberta region has seen significant disruptions, with the closure of the Synovus Energy oil sands production area due to the wildfires, which have burned over 615 square kilometers in that area [2] - Manitoba and Saskatchewan have declared states of emergency, with approximately 25,000 residents evacuated due to the wildfires [2] - The Canadian Environment Department has issued air quality warnings, predicting that smoke will linger in areas near the fire due to warm and dry weather conditions [2] Group 3 - The wildfire season in Canada typically lasts from May to September, and the past two years have seen severe impacts from wildfires [3] - In 2023, temperatures in provinces like Alberta have been 10 to 15 degrees Celsius higher than normal, contributing to prolonged wildfire activity [3] - There are indications that the wildfire season in 2025 may remain active, suggesting ongoing challenges for the region [3]