Climate entity
All 1 tracked stories fall under one category: extreme-weather. Of the tracked stories, 1 of 1 also mention Canadian wildfires, the most common co-covered peer. Each story carries 8 original sources on average, compared with 4.8 for the broader beat in this window.
Last mentioned: Jul 20, 2026
Entity pulse
Figures are computed live from our source-verified story record — see our methodology for how impact and sentiment are derived.
All 1 tracked stories fall under one category: extreme-weather. Of the tracked stories, 1 of 1 also mention Canadian wildfires, the most common co-covered peer. Each story carries 8 original sources on average, compared with 4.8 for the broader beat in this window. Their average consequence score of 5 runs below the beat's 6.5 for that window. We currently track 1 Climate story that mention U.S. National Weather Service, all published on July 20, 2026.
Computed from the 1 stories linked to this entity, with beat comparisons drawn from all 21 Climate stories published in the same date window. Shares are omitted below five stories and comparisons below a twenty-story baseline.
Coverage cohort
Other entities that clear the same relevance threshold in stories also covering U.S. National Weather Service. Shared-story counts are live from our verified record — not editorial picks.
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.
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.
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.
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.
Source: koat.com · mynbc5.com
U.S. National Weather Service is linked from 1 story on this site, each scored at or above our 35% relevance threshold — see how these pages are built.
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