Firecrackers cause air pollution and noise pollution. When firecrackers burst day and night over a month the damage is great.
Firecrackers are meant to be burst during joyous occasions. They are burst during marriages, feasts, when countries win matches and during the opening ceremonies of sports events. Candidates who win elections to Parliament or Legislative Assembly burst firecrackers. The bursting is limited to a day. Once an MP who had won four times consecutively had contested for the fifth time and had bought firecrackers in advance taking his victory for granted before the counting of votes. He lost that election. During Diwali season bursting is over a month. People are unable to sleep. Air pollution leads to coughing and causes asthma, bronchitis and other respiratory diseases. It can destroy forests. It affects animals. Noise pollution affects health and work performance. Lack of sleep affects health. How much damage is caused by the solids released into atmosphere is not known. Some of them may be carried outside India. Children and old people are more affected by pollution. For sick infants continuous burst of firecrackers can make a difference between life and death.
The law bans bursting of firecrackers after 10 p.m. but it is not much enforced. Bursting of firecrackers for Diwali should not be for more than 24 hours. Parents have a role to play. There are various types of firecrackers. Sparklers and firecrackers that do not make much noise are to be used.