Tianjin, China
After a series of explosions at a blast site in Tianjin, China, officials temporarily installed 12 monitoring stations to monitor the air quality. These explosions caused an array of toxins and chemicals to leak into the air. It exceeds the safety national standards and has the potential to be harmful to citizens living in the area.

The samples collected include high concentrations of toluene, sulfur dioxide, and carbon oxide, amongst several other toxins. The pollutants exceeded the concentration limit of major air pollutants, which is 2.0 milligrams per cubic. There is an astonishing 5.7 milligrams per cubic meter. These pollutants are also leaking into the sea and negatively impacting marine life in the area (China Daily).