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19 storiesnewest firstlatest September 20, 2026
NYC's top watchdog opened a probe on September 18, 2026 into Mayor Zohran Mamdani's knowledge of post‑9/11 air quality, reviewing 170,000 released documents to assess whether officials misled the public about safety.
New York City has published previously unreleased air‑quality data from Lower Manhattan after the 9/11 attacks, fulfilling a 25‑year request from survivors and advocacy groups. The release aims to clarify environmental conditions that persisted during the post‑attack recovery.
Mayor Zohran Mamdani announced the release of 25‑year‑old air‑quality data from Lower Manhattan, addressing long‑standing concerns of 9/11 survivors and advocates about post‑attack environmental conditions.
A city report released on August 16, 2026, finds that New York’s congestion pricing program has not led to a noticeable improvement in air quality, despite reduced traffic in Manhattan’s charged zones.
Environment Canada lifted the Greater Toronto Area air‑quality warning on July 19 after a week of heavy smoke, indicating improved conditions and ending the public health advisory.
Environment Canada removed the air‑quality warning for the Greater Toronto Area on July 19, 2026 after a week of heavy smoke. Improved conditions now meet national standards, ending the advisory.
Capital Region health officials have extended the Air Quality Health Advisory on July 16, 2026 due to persistent smoke from Canadian wildfires, urging residents, especially those with respiratory issues, to limit outdoor activity.
An orange air‑quality warning was issued for the GTA on July 18, 2026, as smoke from regional fires raised pollutant levels, with relief expected from afternoon showers.
An orange‑level air quality warning issued by Environment Canada remains in force across the GTA on July 17, 2026, due to elevated smoke. A brief improvement is forecast for later in the afternoon, but the advisory stays until conditions change.
Ontario will see a short improvement in air quality on July 17 as smoke from northern wildfires temporarily clears, but worsening conditions are expected to follow as the fires continue.
Environment Canada keeps an orange‑level air‑quality warning in place for the GTA as a thick smoky haze persists, urging residents to limit exposure and follow health guidance.
Advocates warn that Toronto's orange haze from wildfire smoke and a heat wave pose health risks to vulnerable residents, calling for stronger protective measures amid an official air‑quality warning.
Toronto canceled several FIFA World Cup watch parties, including the Nathan Phillips Square fan festival, on July 15, 2026 after an orange‑level air‑quality warning deemed conditions unsafe for large gatherings.
Apple Weather app users in New York’s Capital Region reported an AQI of 500 for Amsterdam on July 16, 2026, indicating a technical error. Viewers alerted NewsChannel 13, prompting verification of the faulty readings.
Forecasters warned on July 16 that smoke from Canadian wildfires will linger over New Jersey for several days, prompting health advisories and recommendations for residents to limit outdoor exposure.
Smoke from active forest fires in southern Ontario is expected to lower air quality in southern, western and possibly central Quebec on Saturday, July 18, 2026. Health officials are monitoring the situation and will advise the public if pollutant levels rise.
Environment Canada issued an orange air‑quality warning for Toronto on July 15, 2026, as wildfire smoke from northwestern Ontario and extreme heat pushed the city to the top of IQAir’s global pollution ranking.
Environment Canada issued heat warnings and air‑quality alerts on July 12, 2026, for a broad area from Regina through Manitoba, Ontario and into Quebec, citing an extensive heat wave with unusually high temperatures and associated health concerns.
Environment Canada issued heat warnings and air‑quality alerts on July 12 covering central Canada from Regina to Quebec as a heat wave drives unusually high temperatures. The agency warns of health and air‑quality risks and urges residents to follow local guidance.
