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D.C. Air Quality Reaches 'Code Purple' After Fireworks And Heat Wave - Forbes Breaking News
Washington, D.C. is facing a “very unhealthy” air quality alert for Sunday morning, hours after the massive fireworks display billed as the largest ever for America’s 250th anniversary left pollutants in the air—exacerbating the poor air quality after a day of triple-digit temperatures on the Fourth of July. - 07/05/2026.