Record fireworks display choked Washington in toxic smoke
The U.S. capital, Washington, saw its worst air quality of the year over the July 4 weekend, as smoke from a massive fireworks display sent pollution soaring to levels considered very unhealthy for the entire public, data showed Monday.
Image: Phys.org
The U.S. capital, Washington, saw its worst air quality of the year over the July 4 weekend, as smoke from a massive fireworks display sent pollution soaring to levels considered very unhealthy for the entire public, data showed Monday.
Originally published at Phys.org
