# IQAir

Type: Company

Source: Climate Intelligence Brief — https://getclimatebrief.com/entity/iqair
Canonical HTML page: https://getclimatebrief.com/entity/iqair

## Timeline

- **2026-07-19**: World Cup Final Scheduled — The FIFA World Cup final is set to take place in an open stadium in New Jersey, with task force monitoring air quality concerns.
- **2026-07-18**: 937 Active Fires in Canada — Data from Canadian Wildland Fire Information System shows 937 active wildfires, most out of control.
- **2026-07-18**: NWS Warns of Overnight Smoke Thickening — National Weather Service anticipates smoke may thicken overnight into Saturday morning, affecting the Northeast.
- **2026-07-18**: Air quality warnings remain in effect through Saturday — Warnings of dangerous air quality were expected to remain active at least through Saturday, though forecast storms offered potential temporary improvement.
- **2026-07-17**: Trump Threatens Tariff Increase — President Trump says he will raise tariffs on Canada to cover wildfire smoke pollution costs, citing poor forest management.
- **2026-07-17**: Detroit Most Polluted City — IQAir ranks Detroit as the world's most polluted city due to dense wildfire smoke, with Washington and Chicago also under air quality alerts.
- **2026-07-17**: Smoke engulfs Washington, D.C., and triggers widespread air quality alerts — Heavy smoke from wildfires in Ontario and Minnesota caused hazardous air quality across the Great Lakes, Northeast, and Mid-Atlantic, with D.C. landmarks shrouded in haze. Air quality ranked worst globally in several cities.
- **2026-07-17**: Cleveland Guardians postpone MLB game — The Cleveland Guardians postponed their home game against the Pittsburgh Pirates due to unhealthy air quality from wildfire smoke.

## Recent coverage (2 stories)

### Wildfire smoke shuts down D.C. as fires spread: 3 zones now at extreme risk
2026-07-20 12:44:44 · Sentiment: Bearish · Impact: 6/10 · Sources: 7

Transboundary smoke from Canadian and Minnesota wildfires underscores the intensifying climate crisis. With air quality rankings bottoming out globally and fires burning unchecked, the event highlights the urgent need for adaptive wildfire policy and accelerated emissions reductions.
Full story: https://getclimatebrief.com/story/wildfire-smoke-climate-impact-dc-2026

### 937 Active Wildfires in Canada Choke US, Trump Links Smoke to Tariffs
2026-07-18 17:52:17 · Sentiment: Neutral · Impact: 5/10 · Sources: 1

As 937 wildfires rage across Canada, smoke engulfs US cities from Detroit to New York, pushing air quality to hazardous levels and prompting a presidential tariff threat. The crisis underscores the growing health and governance challenges of transboundary climate impacts.
Full story: https://getclimatebrief.com/story/canada-wildfires-937-active-smoke-us-cities

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This page is a machine-readable summary. Sentiment measures the directional read of each development for this entity, not the tone of the reporting; impact weights consequence, not syndication reach. See https://getclimatebrief.com/guides/methodology for the full editorial methodology.