来自加拿大的野火引发了加拿大部分地区和美国中西部的空气质量警告。 Wildfire smoke from Canada has triggered air quality warnings across parts of Canada and the U.S. Midwest.

由于加拿大北部的野火烟雾造成空气质量和可见度差,加拿大一些地区和美国中西部部分地区发布了空气质量警告。 Air quality warnings have been issued for several regions in Canada and parts of the U.S. Midwest due to wildfire smoke from northern Canada, causing poor air quality and visibility. 顾问促请居民,特别是弱势群体,限制户外活动。 Advisories urge residents, especially vulnerable groups, to limit outdoor activities. 在渥太华,AQHI达到10个高点,烟雾把警告扩大到美国中西部。 In Ottawa, the AQHI reached a high of 10, and the smoke has extended warnings as far as the U.S. Midwest.