Back to today’s briefing

Story perspectives

Chemical Odor Grounds 325 Flights at Virginia Airports

3/14/2026

34 6

Summary

Story summary

A strong chemical odor at the Potomac TRACON facility in Virginia triggered ground stops at BWI, Reagan National, and Dulles International airports on March 13, 2026, affecting over 325 flights.
Transportation Secretary Sean Duffy confirmed delays at Richmond International Airport.
Ground stops ended by 7 p.m., with delays persisting for some flights.
The odor's source remains under investigation.

History

Historical Context

The Clean Air Act of 1970 established national air quality standards, significantly shaping environmental regulations in the U.S. Enforced by the Environmental Protection Agency, it aimed to reduce pollutants from various sources. The recent chemical odor incident at the Potomac TRACON facility underscores ongoing air safety challenges, emphasizing the importance of compliance with air quality standards as air travel continues to expand.

1 of 2

Story summary

A strong chemical odor at the Potomac TRACON facility in Virginia triggered ground stops at BWI, Reagan National, and Dulles International airports on March 13, 2026, affecting over 325 flights.
Transportation Secretary Sean Duffy confirmed delays at Richmond International Airport.
Ground stops ended by 7 p.m., with delays persisting for some flights.
The odor's source remains under investigation.

1 / 2