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This year, Diwali in Delhi expected to be significantly more Polluted than in Past Two Years

The Air Quality Index will be 443 on Sunday, or the Diwali day, and reach 472 the day after

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People using Firecrackers to celebrate Diwali,. Flickr
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New Delhi, October 29, 2016: Diwali this year in Delhi is expected to be significantly more polluted than in the previous two years.

According to System of Air Quality and Weather Forecasting and Research (SAFAR) of the Ministry of Earth Science, the air quality in the National capital region will be “severe” on October 30 and 31 and “worst” on October 31.

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The Air Quality Index (AQI) will be 443 on Sunday, or the Diwali day, and reach 472 the day after. The AQI between 300 to 400 is rated as very poor, and above 400 is rated as severe.

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“The highest levels of PM10 and PM2.5 are expected between 11 a.m. and 3 p.m. on the night of October 30 and 31. The air quality will be worst on October 31 and will start to improve from November 1,” says the SAFAR forecast.

There is enough moisture in the air and winds are stagnant, and atmospheric holding capacity of the emissions coming from firecrackers has increased. The highest levels of PM10 and PM2.5 are expected between 11 p.m. to 3 a.m. on the night of October 30-31.

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PM10 is particulate matter 10 micrometers or less in diameter and PM2.5 is particulate matter 2.5 micrometers or less in diameter.

While Noida is expected to be the most polluted area, Lodhi Road in Delhi is expected to be least polluted.

Incidentally, the levels of particulate matter were significantly low in 2016 as compared to 2014 and 2015, but since October 25, started to become significantly higher.

Delhi Pollution Control Committee (DPCC) Senior Scientist M.P. George attributed paddy stubble burning in Punjab and Haryana for this year’s Diwali being more polluted than in 2014 and 2015.

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“One of the chief reasons behind this Diwali being significantly more polluted than last two years, is crop burning in Punjab and Haryana,” said George.

“While every year around this time, farmers in Haryana and Punjab set paddy stubble ablaze to prepare for the next crop season, the pollution this year has been more,” he said .

As per SAFAR health advisory, when the AQI is severe, people should avoid all physical activity outdoors. (IANS)

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Air Pollution: WHO Releases List of The Best And Worst Cities

90% of world's population breathes badly polluted air: WHO

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Air Pollution
WHO releases a list of most and least polluted cities. Pixabay

Nine out of every 10 people on the planet breathe air that contains high levels of pollutants and kills seven million people each year, according to a new World Health Organization (WHO) study released on Wednesday.

The study is an analysis of what the WHO says is the world’s most comprehensive database on ambient air pollution. The organisation collected the data from more than 4,300 cities and 108 countries, reports CNN.

People in Asia and Africa face the biggest problems, according to the study.

More than 90 per cent of air pollution-related deaths happen there, but cities in the Americas, Europe and the Eastern Mediterranean also have air pollution levels that are beyond what the WHO considers healthy.

The new WHO data show that US cities on the more polluted side of the list include Los Angeles, Bakersfield and Fresno, California; Indianapolis; and the Elkhart-Goshen area of Indiana.

Air Pollution.
Air Pollution. Pixabay

Peshawar and Rawalpindi in Pakistan, have some of the highest particulate air pollution levels in the database. Varanasi and Kanpur in India; Cairo; and Al Jubail, Saudi Arabia, also show higher levels.

“I’m afraid what is dramatic is that air pollution levels still remain at dangerously high levels in many parts of the world,” CNN quoted Maria Neira, director of the WHO’s Department of Public Health, Environmental and Social Determinants of Health, as saying.

“No doubt that air pollution represents today not only the biggest environmental risk for health, but I will clearly say that this is a major, major challenge for public health at the moment and probably one of the biggest ones we are contemplating.”

Particle pollution, a mix of solid and liquid droplets in the air, can get sucked into and embedded deep in your lungs when you breathe. That can lead to health conditions including asthma, lung cancer, heart disease, stroke and chronic obstructive pulmonary disorder (COPD), according to the study.

Also Read: Air Pollution And Its Effects On Our Health

These outdoor particulates — including sulphate, nitrates and black carbon — are largely created by car and truck traffic, manufacturing, power plants and farming. In total, air pollution caused about 4.2 million deaths in 2016, it added.

“Many of the world’s megacities exceed WHO’s guideline levels for air quality by more than five times, representing a major risk to people’s health,” Neira said. This is “a very dramatic problem that we are facing now”.

Cleaner air accounts for in cities like like Wenden, Arizona (population 2,882), or Cheyenne, Wyoming (population 64,019).

The Eureka-Arcata-Fortuna area of California; Battlement Mesa, Colorado; Wasilla, Alaska; Gillette, Wyoming; and Kapaa, Hawaii, are all on the cleaner-air list.

One of the bigger US cities with cleaner air is Honolulu, according to the WHO data.  (IANS)