Delhi Stares At Bleak Christmas With Pollution At This Year's Worst

Data from the Central Pollution Control Board showed the Delhi air quality index was an average of 449 on Monday.

Delhi Stares At Bleak Christmas With Pollution At This Year's Worst

The surge in Delhi pollution has been due to unusually cold air, including fog, and a lack of wind.

New Delhi:

Pollution levels in New Delhi have hit their worst this year in the past two days - earning a "severe" to "emergency" rating and indicating conditions that can spark a public health crisis. Christmas Day in the capital is also forecast to be bleak.

Senior government officials said the main reasons for the surge in the amount of toxic smog trapped over New Delhi were unusually cold air, including fog, and a lack of wind.

This mean that vehicle fumes, pollution from coal-fired power plants and industries, as well as smoke from fires being burned to keep people warm hangs over the city.

Data from the Central Pollution Control Board (CPCB) showed the air quality index, which measures the concentration of poisonous particulate matter, was an average of 449 on Monday, only slightly better than the 450 on Sunday.

The index measures the concentration of tiny poisonous particulate matter, or PM 2.5, that are less than 2.5 microns in diameter, which can be carried deep into the lungs.

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A man lights a bonfire on the banks of Yamuna river on a cold winter morning in New Delhi

The previous highest recording this year was 447 on June 15, when there was a dust storm.

Anything above 100 is considered unhealthy.

In some parts of Delhi, pollution levels hit 654 on Monday, among the worst recorded this year, and visibility in some parts of the city was just 200 metres, the weather department said.

Environmentalists said that inaction by the authorities was inexcusable and a concerted effort was needed to reduce pollution from vehicles and industry.

"If this is not an emergency, then what is?" asked Delhi-based environmentalist Vimlendu Jha.

The "severe" to "emergency" ratings mean that the air is not only hazardous for citizens with existing respiratory problems but can also seriously affect healthy people.

Conditions are likely to remain severe on Christmas. The PM 2.5 level may average above 400 and hit a high of 534 in some places, CPCB data showed.

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CPCB announced measures such as shutting factories and construction sites in heavily polluted areas until Wednesday along with an advisory to avoid using diesel-powered vehicles.

"The situation might improve slightly but is likely to continue in severe category until afternoon of December 26, when wind speeds will pick up and improve dispersion of pollutants," said a task force headed by the CPCB.

Steps this year have failed to make much difference and instead there has been finger-pointing between Prime Minister Narendra Modi's administration, the Aam Aadmi Party government in Delhi and the governments of states around the capital.

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The situation might improve slightly but is likely to continue in severe category until afternoon of December 26

The apparent lack of concern about the toxic air among ordinary folk gives Central and local politicians the cover they need for failing to address the problem, say pollution activists and social scientists.

During October and November, the Central government had blamed neighbouring states for failing to curb the burning of stubble in fields, but Delhi's air worsened in December, data showed.

Toxic air claimed 1.24 million lives in 2017 in India, or 12.5 percent of total deaths, according to a study published in Lancet Planetary Health this month.

"We are definitely seeing an increase in the number of patients with respiratory problems," said Dr Desh Deepak of Ram Manohar Lohia Hospital.

A damning report by the World Health Organization this year said India was home to the world's 14 most polluted cities, with Delhi the sixth worst.

For a second year, Delhi Chief Minister Arvind Kejriwal has likened the city to a "gas chamber".

A Delhi government spokesman was not immediately available for comment.