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Air Pollution

Why Delhi Struggles With Poor Air Quality Every Winter?

Anything above 60 on the Air Quality Index is considered unhealthy. Delhi’s air quality has risen above 350

Why Delhi Struggles With Poor Air Quality Every Winter?

New Delhi: A smoky haze hangs over the northern plains and New Delhi, every year as winter sets in, raising fears for the health of many millions of people as the government orders fixes that do little to clear the air. In recent days, the Air Quality Index in the capital with a population of 20 million people, where few use air purifiers, has risen above 350 on a scale of 500, near “very poor” levels, according to the SAFAR monitoring agency. Anything above 60 is considered unhealthy.

The index measures levels of airborne PM2.5 particles that can be carried deep into the lungs, causing deadly diseases including cancer and cardiac problems. The rainy season usually ends in September and come October, the air quality starts deteriorating as cooler temperatures and a drop in the wind trap pollutants in the atmosphere for longer.

Also Read: As Mumbai Surpasses Delhi In Air Pollution Levels, Can India Look At Surat’s Emission Trading Scheme To Mitigate The Problem?

The pollution gets worse in November, exacerbated by the burning of crop stubble in Punjab and Haryana. Farmers in these bread-basket states are at the forefront of the adoption of mechanised farming, and are increasingly using harvesters to bring in the rice crop.

But unlike with manual harvesting, the machines leave stubble and paddy straw in the field.
Farmers, with only a short window to prepare their fields for winter crops, burn off the stubble and straw, sending sooty smoke drifting from the land and accounting for about a quarter of north India’s air pollution, experts say.

New Delhi generates much of its own pollution so things get no better in December, when the stubble burning is largely over.

The capital’s nearly 10 million vehicles, more than the those of Mumbai, Chennai and Kolkata combined, churn out exhaust fumes while industrial emissions, dust from construction sites and smoke from household fires adds to the murky mix.

Also Read: October-November Period Least Polluted In Delhi In Eight Years: Centre For Science And Environment

The rapidly expanding city is losing the few patches of oxygen-producing forest it had around it and illegal miners are grinding down a range of nearby hills to feed the construction industry with gravel, and removing a natural barrier to dust from the Thar Desert.

When the smog gets too bad, authorities ban construction work and close schools to protect children but they acknowledge they just don’t have the resources to clamp down effectively on illegal industries and to enforce emission rules.

The Supreme Court has rebuked officials for their failure to clear the air and has asked the Delhi government, its neighbouring states and the central government to work together to improve it.
Matters are further worsened by the lack of cooperation between Prime Minister Modi’s central government and the Delhi Chief Minister Arvind Kejriwal’s Aam Aadmi Party.

It’s nature that brings some improvement with warmer weather ending the atmospheric conditions that trap the smog before the return of the rains in around June.

Also Read: Air Quality In Delhi Remains In ‘Very Poor’ Category With AQI At 301

(This story has not been edited by NDTV staff and is published from a syndicated feed.)

NDTV – Dettol have been working towards a clean and healthy India since 2014 via the Banega Swachh India initiative, which is helmed by Campaign Ambassador Amitabh Bachchan. The campaign aims to highlight the inter-dependency of humans and the environment, and of humans on one another with the focus on One Health, One Planet, One Future – Leaving No One Behind. It stresses on the need to take care of, and consider, everyone’s health in India – especially vulnerable communities – the LGBTQ populationindigenous people, India’s different tribes, ethnic and linguistic minorities, people with disabilities, migrants, geographically remote populations, gender and sexual minorities. In wake of the current COVID-19 pandemic, the need for WASH (WaterSanitation and Hygiene) is reaffirmed as handwashing is one of the ways to prevent Coronavirus infection and other diseases. The campaign will continue to raise awareness on the same along with focussing on the importance of nutrition and healthcare for women and children, fight malnutrition, mental wellbeing, self care, science and health, adolescent health & gender awareness. Along with the health of people, the campaign has realised the need to also take care of the health of the eco-system. Our environment is fragile due to human activity, which is not only over-exploiting available resources, but also generating immense pollution as a result of using and extracting those resources. The imbalance has also led to immense biodiversity loss that has caused one of the biggest threats to human survival – climate change. It has now been described as a “code red for humanity.” The campaign will continue to cover issues like air pollutionwaste managementplastic banmanual scavenging and sanitation workers and menstrual hygiene. Banega Swasth India will also be taking forward the dream of Swasth Bharat, the campaign feels that only a Swachh or clean India where toilets are used and open defecation free (ODF) status achieved as part of the Swachh Bharat Abhiyan launched by Prime Minister Narendra Modi in 2014, can eradicate diseases like diahorrea and the country can become a Swasth or healthy India.

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