D.C. air quality drops to "very unhealthy" levels after July 4th fireworks
D.C. air quality drops to "very unhealthy" levels after July 4th fireworkshttps://wpnnradio.com/wp-content/themes/movedo/images/empty/thumbnail.jpg150150adminadminhttps://secure.gravatar.com/avatar/790df65a416873c3f0501d984b0b24a2f32bf2af0d1509085b901ade4bbb36e7?s=96&d=mm&r=g
A “purple” air quality alert was issued for Washington, D.C., and surrounding areas, meaning pollution reached levels considered “very unhealthy.” source
