Categories: Kolkata

WB: Puja times, Diwali brings Aqi to ‘poor’

Kolkata: When the Supreme Court allowed green fireworks during the festival, it also issued important drivers.
If the quality of the air is dipped from a moderate to poor cracker, even green will be banned.
In five years before the pandemic, the air quality index (AQI) has changed from being severe at night Puja-Diwali times and then remains bad for months because of the emergence of winter.
Track the level of pollution in your Aqi Catanan 101 to 200 is considered medium; 201 to 300 poor; 301 to 400 is very bad and above 500 is severe.
Diwali’s day in 2020, when there was a blanket in the fireworks, the ambient air remained moderate, producing air quality remained moderate even after Diwali.
The Chairperson of the WBPCB Kalyan Rudra shows that it must be a parent who must encourage children to celebrate diwali in a way that does not pollute.
“Let your child’s light fireworks explain it to toxic smoke and fine particle material,” he warned.
The day before Diwali in 2019, the number of PM2.5 was 28.2 μg / m3 a day after night Diwali, it jumped more than 100% to 58.9 μg / m3.
This year, Diwali occurs at the end of the year when thermal inversion will have a greater role to play in trapping low pollutants in the atmosphere and keeping it for the rest of the season.
PM2.5 concentration in the city air after 2019 Diwali rose so sharply so it breathed as bad as eight stems.
In 2018, it was a worse post in the same bad air with smoking 12.5 cigarettes.
This is an average of 24 hours of PM2.5 concentration (not an air quality index).
The concentration number per hour is much higher.
PM2.5 Calculate the shot past 700μg / m3 in 2019 Diwali.
In 2018, it was enlarged past 1100μg / m3.
Environmental activist Soumendra Ghosh shows that the accumulation of particulates in the lower strata of the atmosphere pushes the level of pollution of the city outside Delhi.
“PM2.5 plays chaos with vital organs.
Air pollution kills more people around the world every year than AIDS, malaria, diabetes or tuberculosis,” said Arup Haldar, a senior art.

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