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source: bbc-world
category: news/world
category_raw: top
region: usa
tags:
- general_news
- world_general
lang: en
published_at: '2026-07-17T02:15:23Z'
fetched_at: '2026-07-17T16:18:43Z'
updated_at: '2026-07-17T16:23:43Z'
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- name: Canada
  type: country
- name: Prompt Compression Technology
  type: method
- name: Air Con
  type: artifact
- name: smoke
  type: 自然現象
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title: Canada fires prompt US air quality alerts as smoke blankets major cities
---

# Canada fires prompt US air quality alerts as smoke blankets major cities

## TL;DR
（要約なし・原文はリンク先を参照 / No summary available; see the source link.）

## Key Points
- general_news / world_general

## Details
(本文なし。リンク先参照)

## Source
元記事: [Canada fires prompt US air quality alerts as smoke blankets major cities](https://www.bbc.co.uk/news/articles/c0m7n427xd8o?at_medium=RSS&at_campaign=rss) — published 2026-07-17T02:15:23Z