Chennai’ pollution levels dip this Deepavali
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The Board’s report stated ambient noise levels ranged from 54 to 69 Decibel (DB) pre-Deepavali (November 9), and 71 to 78 DB throughout Deepavali.
AQI at 98
The Central Pollution Control Board’s Sameer App’s air high quality index (AQI), recorded throughout seven automated stations for twenty-four hours from 4 p.m. on Saturday, confirmed that the town had an AQI of 98, with PM2.5 and CO as outstanding pollution.
Maximum levels touched 500 microgram/cubic metre in Arumbakkam round 9 p.m. At Manali, the highs have been round 300 microgram/cubic metre across the identical time. Velachery’s most degree was 150 microgram/cubic metre, additionally recorded across the identical time.
Timings not adopted
Though the State authorities had stipulated that crackers might be burst between 6 a.m. and seven a.m. and from 7 p.m. to eight p.m., there was very minimal bursting of crackers within the morning. It was throughout the night that individuals started bursting crackers, from 6 p.m. In most localities, residents stated it stopped by 9 p.m., effectively past the time slot stipulated by the federal government.
Former member secretary of the TNPCB, K. Karthikeyan, stated he was completely happy that the pollution values recorded throughout Deepavali have been low. “At the same time, it is important to arrive at a geo-spatial distribution of pollutants in a 540 sq km area to plan the assimilating capacity of air to hold pollutants in desired ambient standards. This will create awareness among policymakers and the public on using the crackers at an appropriate time and area,” he defined.
Meanwhile, activists stated it was high-time that the TNPCB started monitoring extra stations for Deepavali and Bhogi. “They had procured equipment worth crores of rupees. We are yet to see that data being made public. Hopefully, by Pongal, we will see data from those 10+ automatic stations,” stated an activist who didn’t want to be named.
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