- DC experiences ‘Code Red’ air quality after massive fireworks display CNN
- Bombs Bursting in Air Means Hours of Smoke and Confused Dogs in D.C. The New York Times
- Code Purple Air Quality Alert for DC and Northern Virginia Sunday WUSA9
- Air quality alerts in and around D.C. warn of “very unhealthy” pollution levels after July 4th fireworks CBS News
- Air quality alert issued for DC area after July 4 fireworks NBC4 Washington
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