Gurgaon: Pollution declined by 16-20% last car-free day, says panel | gurgaon | Hindustan Times
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Gurgaon: Pollution declined by 16-20% last car-free day, says panel

gurgaon Updated: Oct 25, 2015 00:58 IST
Snehil Sinha
Snehil Sinha
Hindustan Times
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Police officials, media persons and corporate officials riding bicycles to promote car-free day in Gurgaon. (Abhinav Saha/HT file photo)

Pollution levels in the city registered a decline of 16-20% on the second car-free day last Tuesday, according to the state pollution board.

According to the report released by the Haryana State Pollution Control Board (HSPCB), the pollution level declined during the peak traffic hours in the evening, compared to the level recorded at the same time on Monday and Wednesday last week.

This is the third report to confirm a correlation between car-free day and a reduction in pollution levels. However, it is the first government report that shows comparative figures of pollution at the same locations on three consecutive days.

The department had installed ambient air quality monitoring machines at three of the four roads where car-free day was observed last week to check PM10 levels for three consecutive days-before, during and after.

“We can say that there was a reduction in the number of cars on Tuesday and, hence, in the pollution levels. This is because all three pollutants showed some decline on Tuesday as compared to a day before and after,” a senior official from HSPCB said.

The data for all three days were recorded between 5pm and 9pm.

The particulate matter near Trident Hotel in Udyog Vihar was 294 microgram per cubic metre, compared to 352 and 316 on Monday and Wednesday, respectively. On the DLF Cyber City stretch, the particulate matter was 262 last Tuesday compared to 338 and 280 on Monday and Wednesday, respectively. For Netaji Subhash Road, the pollution level increased from 261 on Tuesday to 294 on Wednesday.

On September 22, the PM10 level was 107.41 micrograms per cubic metre. However, the following day it was 110.34 and on Monday it was 115.92.