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Smoke rises from the Beckwourth complex fire in Nevada. Photo: Ty O'Neil/SOPA Images/LightRocket via Getty Images

Smoke from wildfires burning across the West has clogged skies in the U.S. and Canada and prompted air quality warnings in several states, the National Weather Service (NWS) said Wednesday.

Driving the news: Many of the wildfires started amid an unprecedented heatwave driven by human-caused climate change. The fires have ripped across the already drought-stricken West, burning more than one million acres.

State of play: There are currently 68 wildfires burning across 12 states, the National Interagency Fire Center said Wednesday.

  • Dozens of fires are also burning across Canada.
  • Since June 1, at least 67 weather stations have recorded temperatures that either tied or broke all-time heat records, per the NWS.

The big picture: On Wednesday the NWS issued air quality warnings due to wildfire smoke to parts of Washington, Idaho, Minnesota, Colorado, Oregon.

  • "Thick density smoke" also covers California, Nevada, Montana, Wyoming, Utah, Arizona, and parts of New Mexico and Texas, according to the National Oceanic and Atmospheric Administration.
  • In states such as Minnesota and North Dakota, the poor air quality is being driven by crossover smoke from the Canadian fires, AP reports.
  • "We expect more acres to burn. We expect more smoke," Andrew Wineke, communications manager at the Washington State Department of Ecology, told local news.
  • Satellite imagery on Wednesday evening showed smoke from the North American fires moving over southern Greenland and the North Atlantic.

Go deeper:

Editor's note: This story has been updated with additional information.

Go deeper

Newsom signs $15 billion package to fight climate change

Gov. Gavin Newsom Photo: Jane Tyska/Digital First Media/East Bay Times via Getty Images

Gov. Gavin Newsom signed a $15 billion climate package on Thursday as California wildfires threaten more sequoias at Sequoia National Park.

Why it matters: The package is the largest such investment in California history as drought conditions have worsened across the state and led to numerous wildfires. More than 1.9 million acres have burned across the state this year, according to the California Department of Forestry and Fire Protection, including over 220,000 in the Caldor fire last month.

Everyone wants to be an influencer

Illustration: Aïda Amer/Axios

The number of people looking to become online influencers has exploded during the pandemic.

Why it matters: Almost anyone can find themselves in a position to become an influencer, and brands are throwing billions of dollars at online content creators.

At least 3 dead after Amtrak train derails in Montana

Photo: Jacob Cordeiro/Twitter

An Amtrak train derailed near Joplin, Montana, resulting in at least three deaths and multiple injuries to passengers and crew on Saturday, per authorities and a company statement.

The big picture: 141 passengers and 16 crew members were estimated to be on the Empire Builder train, traveling from Chicago to Seattle and Portland, when eight of the 10 cars derailed about 4p.m., Amtrak said early Sunday.