Massive plumes of smoke from Canadian wildfires are blanketing parts of the Midwest and Northeast, causing unhealthy air quality levels for residents. CNN's Bill Weir explains what you should do if you're impacted and when we can expect air quality to return to safer levels.
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Why air quality is trending

Massive plumes of smoke from Canadian wildfires are blanketing parts of the Midwest and Northeast, causing unhealthy air quality levels for residents. CNN's Bill Weir explains what you should do if you're impacted and when we can expect air quality to return to safer levels. Discover more videos, including live streams and exclusive storytelling, on our Watch page.

1:19 • Source: CNN
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Massive plumes of smoke from Canadian wildfires are blanketing parts of the Midwest and Northeast, causing unhealthy air quality levels for residents. CNN's Bill Weir explains what you should do if you're impacted and when we can expect air quality to return to safer levels.
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Why air quality is trending
1:19
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Dr. Anthony Fauci invoked the Fifth Amendment more than 100 times during his contentious Senate Homeland Security hearing Wednesday. CNN's Adam Cancryn explains why Sen. Rand Paul has now scheduled a contempt of Congress vote and what that means for Fauci.
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What to know about the Fauci contempt vote
1:27
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A missile apparently fired by Russia landed deep inside Polish territory early Thursday, leaving a massive crater. CNN's Nick Paton Walsh explains how an intentional Russian attack inside a NATO member's territory would be an escalation in the war, but only if Poland was the intended target.
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Why Poland is trending
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FIFA president Gianni Infantino says they are seeking investors to control commercial rights for future editions of the men's and women's World Cup. CNN's Andy Scholes breaks down the reaction to FIFA's controversial plan.
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What to know about FIFA's plan to sell the World Cup
1:24
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The US military successfully intercepted an Iranian “surprise attack” on US forces based in Jordan, US Central Command announced on Tuesday. CNN's Zachary Cohen explains how President Donald Trump is responding.
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Why 'Iran launches missiles' is trending
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The murder trial of Lindsay Clancy, the Massachusetts mother who pleaded not guilty to the 2023 strangling of her three children, began Monday. CNN's Jean Casarez breaks down the key points from the testimony so far and how Clancy's attorney is presenting her defense.
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Why Lindsay Clancy is trending
1:59
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Senate Majority Leader John Thune is under pressure from the White House and fellow Republicans to pass the "SAVE America Act" and other key legislation before the upcoming August recess. CNN's Annie Grayer breaks down the status of the bill and explains what else is on the Senate's agenda.
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Why John Thune is trending
1:28
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OpenAI CEO Sam Altman said on a recent podcast that we are now "in the singularity." CNN's Hadas Gold explains what the artificial intelligence theory is and why Altman thinks we're reached it.
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Why the singularity is trending
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LeBron James is moving from Los Angeles to Philadelphia for his record-extending 24th NBA season. CNN's Patrick Snell explains why James made the decision to continue playing after he considered retiring after last season.
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Why LeBron James is trending
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Friday marks the rescheduled White House Correspondents’ Dinner, nearly three months after a shooting abruptly ended the event. CNN's Brian Stelter breaks down what will be different this time around.
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What to know about the White House Correspondents' Dinner
1:52
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An advisory committee to the US Food and Drug Administration is meeting this week to decide if certain peptides should be allowed to be dispensed by compounding pharmacies. CNN's Jacqueline Howard explains why this move is being considered, even though FDA experts have said there is a lack of evidence on the effectiveness and safety on some of these peptides.
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What you should know about peptides
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A Secret Service agent on Vice President JD Vance’s security detail is under internal review and has been put on administrative leave after being suspected of leaking information about Vance’s travel. CNN's Kristen Holmes explains how this incident comes at a time the Trump administration has vowed to crack down on what it views as unauthorized disclosures to the press.
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Why 'Vance Secret Service' is trending
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New York City Mayor Zohran Mamdani reversed his pledge to arrest Israeli Prime Minister Benjamin Netanyahu for "alleged war crimes" if he were to come to the city. CNN's Katherine Koretski breaks down the reaction to Mamdani's explanation that New York City does not have the legal authority to execute an arrest warrant for Netanyahu.
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Why Mamdani and Netanyahu are trending today
1:24
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The former Maine Senate President has all but locked down the Democratic nomination for the US Senate race in Maine after Graham Platner dropped out earlier this month. CNN’s Patrick Svitek explains how Jackson was able to consolidate support ahead of Saturday’s nominating convention.
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Who is Troy Jackson?
1:30
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