# Chicago

Type: Company

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

## Timeline

- **2026-07-18**: Expected relief from cold front — A cold front and thunderstorms are forecast to move through the Great Lakes and Northeast, gradually thinning the smoke from west to east.
- **2026-07-17**: Air quality alerts cover 18 states and DC — Over 100 million people are under air quality alerts as hazardous smoke blankets the Midwest, Northeast, and mid-Atlantic. Detroit Health Department begins offering free masks.
- **2026-07-16**: Chicago records worst air quality in history — Chicago's mayor announces that the city is experiencing its worst air quality on record, urging residents to stay indoors and wear N95 masks.

## Recent coverage (1 stories)

### 18 States Suffocate as Canadian Wildfire Smoke Exposes Climate Risk Gaps
2026-07-20 03:13:47 · Sentiment: Neutral · Impact: 5/10 · Sources: 8

Smoke from Canadian wildfires has triggered air quality alerts in 18 U.S. states, affecting over 100 million people. The event underscores the increasing frequency of transboundary smoke disasters and the urgent need for climate adaptation in urban infrastructure and air quality monitoring networks.
Full story: https://getclimatebrief.com/story/wildfire-smoke-18-states-climate-risk

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