Toxic smokes due to fire crackers.

Toxic smoke is seen in the sky above Ranchi city.
by
Dr. Nitish Priyadarshi.






In the above picture stagnant toxic smoke is seen above Ranchi city in Jharkhand state of India. It is due to the fire crackers and other explosives burnt during Diwali night and the next day. Such smokes are contaminated with toxic heavy metals injurious to lungs, eyes etc. It may cause breathing problems, irritation in eyes, increase in blood pressure etc. If it rains it may also cause acid rain.

Lighting firecrackers increases the sulphur dioxide level 200-fold, above the safety levels prescribed by the World Health Organisation.

More chemicals are added to give colour, Metals, such as aluminum, magnesium, and titanium, burn very brightly and are useful for increasing the temperature of the firework. Fireworks produce smoke and dust that may contain residues of heavy metals, sulfur-coal compounds and some low concentration toxic chemicals. These by-products of fireworks combustion will vary depending on the mix of ingredients of a particular firework. (The color green, for instance, may be produced by adding the various compounds and salts of Barium,

Fireworks were invented in ancient China in the 12th century to scare away evil spirits.

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