SIGNAL GRIDv0.1

D.C. air quality drops to "very unhealthy" levels after July 4th fireworks

2 sources2 storiesFirst seen 7/5/2026Score50Mixed Progress
CoverageRecencyEngagementVelocityBignessConfidenceClipability
Bigness
50
Coverage
25
Recency
91
Engagement
21
Velocity
100
Confidence
68
Clipability
70
Polarization
0
Claims
4
Contradictions
0
Breakthrough
50

Sentiment Mix

Positive0%
Neutral100%
Negative0%

Geography

North America

Expert Signals

Politics - Google News US Headlines

source1 mention

CBS News - Top Stories

source1 mention

AI-Generated Claims

Generated from linked receipts; click sources for full context.

Facing ‘Code Purple' Air Quality Following Massive Independence Day Fireworks Display ForbesCode Purple Air Quality Alert for DC and Northern Virginia Sunday WUSA9Air quality alerts in and around D.C.

Supported by 1 story

warn of "very unhealthy" pollution levels after July 4th fireworks CBS NewsBombs Bursting in Air Means Hours of Smoke and Confused Dogs in D.C.

Supported by 1 story

air quality drops to "very unhealthy" levels after July 4th fireworks.

Supported by 1 story

A "purple" air quality alert was issued for Washington, D.C., and surrounding areas, meaning pollution reached levels considered "very unhealthy.

Supported by 1 story

Related Events

Timeline (2 stories)

Receipts (2)

Bias Snapshot

Center
Left 0%Center 100%Right 0%
Blogcbsnews.com7/5/2026
Blognews.google.com7/5/2026