According to survey of World Health organization( WHO) a report which came out on 12 May 2016 shows that, Gwalior is second most polluted city of the World with 176 PM 2.5 (in µg/m3) of pollution. Despite of the fact that a similar report generated on 5 December 2015 which shows that Gwalior is on Third position with 144 PM 2.5 (in µg/m3) of pollution.

With this Statics we figure out that no necessary measure was taken by our government to control pollution. 

Now there are few facts which may be helpful to figure out main cause of pollution in Gwalior

Fact#1 There are ancient sewage method. Drainage is not proper.

Fact#2 Need proper decomposition of wastage.

Fact#3 Population is just 2,030,543, which is quiet less from other cities which having less pollution.

Fact#4 Why vehicle pollution check is not mandatory in Gwalior. 

Fact#4 There are two Cancer Cure units, ( Does our government monitor their pollution regularly?)

Fact#5 There is not a single dustbin in roadsides.

Fact#6 We have following industries in Gwalior. Does regular check is made to monitor the pollution caused by these industries Surya, Jk tyres, Cadbury etc 
» Solvent Extractions Units
» Sugar Industry
» J. B. Mangaram Company Limited, Gwalior
» Grasim (Birla Group)
» Potteries
» Leather
» Railway Spring Factory
» Rubber Products
» Food Processing  

Nothing is difficult. But we need a strong action against pollution.