Ban on toxic and loud firecrackers- Source, The Hindu

• Bursting of fire crackers during Diwali is not only the reason for air pollution,but the supreme court states it as one of the reason which causes the quality of the air during festivals.
• The supreme court declared ban on toxic and loud crackers to tackle the other factors which are contributing to the air pollution.
• Unregulated construction activities which generates a lot of dust and crop burning in neighbouring states are the two other major reasons.
• Vehicular pollution is also another cause.