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Rudy Giuliani denies hiding information about toxic dust inhaled by millions after 9/11

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Campanile, C. (2026, September 24). Rudy Giuliani denies hiding information about toxic dust inhaled by millions after 9/11. New York Post. https://nypost.com/2026/09/24/us-news/rudy-giuliani-i-did-not-hide-information-about-toxic-dust-after-september-11/

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New York Post · collected 2026-09-24 · by Carl Campanile

Quick Summary

Rudy Giuliani denied hiding information about toxic dust inhaled by people after the September 11 attacks, claiming his administration followed federal guidance from the EPA. He stated that the city initially reported the air as safe and noted he left office just months before more concerning information emerged. Meanwhile, Mayor Zohran Mamdani’s administration agreed to release 170,000 records related to air quality concerns at Ground Zero, prompting an investigation by the Department of Investigation (DOI) into what previous administrations knew about the toxic dust and their response.
Written by AI on 2026-09-24, from this article's own text only (the story summary below draws on all the coverage).

AI analysis

Story summary

In response to accusations that he hid information about dangerous toxins in the air after the September 11, 2001 attacks, former New York City Mayor Rudy Giuliani denied any wrongdoing, telling the New York Post his administration followed federal guidance from the US Environmental Protection Agency (EPA). The EPA initially stated that conditions were safe post-9/11, but more information became available approximately 10 months after Giuliani left office in January 2002. Current Mayor Zohran Mamdani's administration recently agreed to release 170,000 records related to air quality concerns at Ground Zero, indicating that some believe officials misled the public about the safety of the air. Mamdani has claimed that people became ill because they were told it was safe to breathe in toxic air, suggesting a cover-up by previous administrations including Giuliani's.

Written for “Giuliani Denies Hiding Information” on 2026-10-31, grounded in this article and the 0 other(s) covering the same event.

Story

📰 Giuliani Denies Hiding Information
Politics · 1 article(s) covering the same event.

Compared with similar articles

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How this article was measured signals, leaning charts, publisher record, byline, topics and claims

Signals How these are calculated →

Claims extracted
21
sentences that state something as happening or true
Uncertain
0%
0 of 21 hedged ("reportedly", "may", "according to")
Leaning
not political
takes no side on a contested political question
Publisher signals
66/100
New York Post's corrections and hedging, across everything collected from it. Not a measure of accuracy.
Outlets on this story
1
Politics
Same framing elsewhere
1
articles that frame the event the way this one does
Analyzed 2026-09-24 · how these are computed

How this is being covered How these are calculated →

Article leaning vs. publisher reliability
Source leaning vs. consistency

Publisher

New York Post · 15411 article(s) · 35 correction(s) detected
Running correction rate · 35 correction(s)

Who wrote this

Carl Campanile
65 article(s) here · 1 carrying a prediction
🔮 Gov. Kathy Hochul will raise New Yorkers’ taxes to fulfill Mayor Zohran Mamdani’s socialist agenda if she’s re-elected next week, her GOP opponent Bruce Blakeman warned.
🔮 A spokesperson for the Justice Department said, “The Department takes allegations of antisemitism seriously and is committed to enforcing federal civil rights laws that protect students from discrimination.” The city DOE and Mayor Zohran Mamdani’s office didn’t immediately respond to a request for comment.
🔮 “New York needs an attorney general who will put public safety over politics and make sure New York State is one of the most prosperous, best places to live in the country,” Teixeira added.
🔮 The Transport Workers Union of America, whose local members include roughly 40,000 city subway and bus workers toiling under an MTA contract that lapsed in May, began airing the scathing spots Friday, a day before early voting opened
🔮 Critics – including President Trump — immediately called for her to step away, saying she was too political, biased and unethical to fairly investigate the case. Norman Siegel, a longtime civil rights lawyer, said James is doing the right thing, adding that her taking the case would be like a police commissioner commenting on police misconduct cases before a probe is finished.
🔮 The folky tunes of an extremely rare piano will once again sound in Manhattan Friday — nearly a century after Mayor Fiorello LaGuardia banned the instruments from the city streets.
🔮 Your name will still appear in the poll pads and you could still vote on the machines,” said BOE spokesman Vincent Ignizio.
🔮 The nine-member Public Design Commission was supposed to only review how the new casino and its grounds were supposed to look and accommodate the public — but critics at the meeting attacked the project by Mets owner Steve Cohen over objections to gambling and how it would affect the area.
🔮 The country’s teachers unions are opposed to the program, claiming it will somehow siphon taxpayer dollars from public schools — even though backers such as Dem New York Gov. Kathy Hochul have dismissed the notion.
🔮 Some members of the Real Estate Board of New York made max donations to the Friends of Kathy Hochul and the Democratic Party — a move that may aim to give them influence with the governor but may ultimately be fueling policies that are hurting their bottom lines, strategists and Republicans said.
Also by Carl Campanile
Nothing else under this byline is closely related to this article, so these are simply their most recent.
All 65 articles by Carl Campanile →

Topics

America DOI EPA The Post the US Environmental Protection Agency

Subjects

DOI ORG · 4× Giuliani PERSON · 4× Chevat PERSON · 2× Mamdani PERSON · 2× America GPE · 1× EPA ORG · 1× Rudy Giuliani PERSON · 1× The Post ORG · 1× Zohran Mamdani PERSON · 1× the US Environmental Protection Agency ORG · 1×

Narrative

“For 25 years, four different mayoral administrations kept from the public, the US Congress, and the City Council documents showing what the city actually knew about the danger of the toxic chemicals in Lower Manhattan and Western Brooklyn after the World Trade Center collapse — even as city officials continued messaging to the public that the air was ‘safe and acceptable,'” Chevat said.
framing: assertive · carried by 1 article(s) · first seen 2026-09-24
🔮 Former Mayor Rudy Giuliani denied accusations that he hid information about dangerous airborne toxins lingering in Lower Manhattan in the aftermath of the Sept. 11, 2001 attacks — telling The Post his administration followed federal guidance.

Claims (21 extracted, 0 hedged)

Former Mayor Rudy Giuliani denied accusations that he hid information about dangerous airborne toxins lingering in Lower Manhattan in the aftermath of the Sept. 11, 2001 attacks — telling The Post his administration followed federal guidance. asserted
administration → deny → guidance
“My administration posted everything,” the former mayor insisted, saying City Hall followed the guidance of the US Environmental Protection Agency when much of downtown reopened after terrorists hijacked planes and toppled the World Trade Center towers. asserted
terrorists → post → towers
“EPA initially said everything was safe,” he said. asserted
he → say → ?
“I was at the end of my administration when 9/11 happened. asserted
9/11 → happen → administration
I was told approximately 10 months after I left office that more information was known.” asserted
information → tell → office
Mayor Zohran Mamdani — whose administration recently agreed to release 170,000 records related to air quality concerns at Ground Zero after the terror attacks — claimed that “people got sick because the leaders they trusted lied and told them they were safe to breathe in toxic air.” asserted
they → agree → air
Giuliani, a frequent critic of his socialist successor, questioned whether a DOI probe under Mamdani would be fair, but said he would keep an open mind if it’s fact-finding mission. asserted
it → question → mind
“DOI can question me — fine,” said Giuliani, who became known as “America’s Mayor” for his leadership following the terror attacks that killed nearly 3,000 people. asserted
that → question → people
“I’ll give it a chance.” asserted
I → give → chance
Giuliani left office at the end of December 2001 and was succeeded by Mayor Michael Bloomberg, who oversaw the reconstruction of downtown Manhattan south of Canal Street, particularly the World Trade Center complex. asserted
who → leave → Street
One 9/11 health advocate said Big Apple officials were more concerned at the time about city’s potential liability from lawsuits than whether the air was truly clear of toxins for its residents. asserted
air → say → residents
“There was not a concern for the safety of the people in the neighborhood, the schools and the first responders,” said Benjamin Chevat, executive director of 9/11 Health Watch, whose group sued the city to release the long-hidden health documents. asserted
group → be → documents
Chevat said “I’m not going to fault people for making mistakes” during the worst terrorist attack in US history. asserted
I → say → history
But he added, “It’s a little early for Mayor Giuliani to say he knew nothing.” asserted
he → add → nothing
DOI has tapped outside lawyers to help conduct the probe what previous mayoral administrations knew about the toxic dust at Ground Zero and what, if anything, they did about it. asserted
they → tap → it
Lacking adequate staffing for the painstaking documents probe, the investigative agency is entering into a contract with national law firm Epstein Becker & Green to help conduct the inquiry. asserted
agency → lack → inquiry
“Services will include conducting an investigation to ascertain the knowledge possessed by mayoral administrations on environmental toxins produced by the September 11, 2001 terrorist attacks on the World Trade Center and to submit a report to the Council thereon,” the DOI said in a notice about the negotiated procurement. asserted
DOI → include → procurement
The investigation is required by a City Council resolution passed in July 2025, with the DOI also awarded $3.8 million over a two-year period for the fact-finding probe. asserted
DOI → require → probe
Environmental activists have long claimed that city officials misled the public about toxic air risks after 9/11. asserted
officials → claim → 9/11
Mamdani agreed to release the secret trove of documents kept by prior administrations as part of a settlement with 9/11 Health Watch. asserted
Mamdani → agree → Watch
“For 25 years, four different mayoral administrations kept from the public, the US Congress, and the City Council documents showing what the city actually knew about the danger of the toxic chemicals in Lower Manhattan and Western Brooklyn after the World Trade Center collapse — even as city officials continued messaging to the public that the air was ‘safe and acceptable,'” Chevat said. asserted
Chevat → keep → public
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