金十数据8月3日讯，由于多地山火产生大量烟雾，加拿大环境部8月2日发布大范围空气质量预警或警 报。加拿大环境部称，山火产生的烟雾导致能见度降低，空气质量不佳，从不列颠哥伦比亚省东部一直 延伸到魁北克省西部，这种情况将持续到8月3日。加拿大山火产生的烟雾还影响到美国中西部大部分地 区。 加拿大因多地山火烟雾发布空气质量警报 ...

Core Viewpoint - Canada has issued an air quality warning due to wildfires in the central region, with smoke expected to persist in the vicinity of the fire sources [1] Group 1: Air Quality Warning - The Canadian Environment Department issued an air quality warning on May 30, specifically for areas affected by wildfires in central Canada [1] - The warning primarily affects parts of Saskatchewan and Manitoba, which have both declared a state of emergency [1]