Smog cover over Delhi-NCR; air quality severe amid unhelpful meteorological conditions
New Delhi(PTI): A layer of smog shrouded Delhi-NCR on Thursday and partially blotted out the sun on Chhath Puja as the air quality slipped back into the severe zone with unfavourable meteorological conditions aiding accumulation of pollutants, authorities said.
Green think tank Centre for Science and Environment (CSE) said the ongoing smog episode is a public health emergency.
"This requires urgent emergency action on key combustion sources (vehicles, industry, waste burning) and dust sources (construction and roads) to prevent further trapping of pollution when there is no wind to blow this away," said Anumita Roychowdhury, executive director, research and advocacy, CSE.
At 10 am, Delhi recorded an Air Quality Index (AQI) of 407. Thirty-three of the 39 air quality monitoring stations in the national capital recorded air pollution levels in the severe category.
The 24-hour average AQI was 372 on Wednesday.
Ghaziabad (454), Greater Noida (404) and Noida (426) also recorded severe air quality at 10 am.
An AQI between zero and 50 is considered "good", 51 and 100 "satisfactory", 101 and 200 "moderate", 201 and 300 "poor", 301 and 400 "very poor", and 401 and 500 "severe".
An official from the India Meteorological Department (IMD) said shallow fog and low temperatures in the morning -- Delhi recorded the season's lowest temperature of 12.6 degrees Celsius on Thursday -- trapped pollutants close to the ground and calm winds led to stagnant conditions.
Visibility levels at the Indira Gandhi International Airport and the Safdarjung Airport dropped to 600-800 metres, he added.
The CSE said the current severe smog episode in Delhi-NCR is expected to last for two more days.
It also said the average daily contribution of smoke from farm fires from the middle of October to November 8 was the lowest in four years.
"Compared to the first smog episode of the previous four years, the current smog has matched the duration of the first smog of 2018 and 2020 season -- both lasted six days. If conditions do not improve, it might overtake the 2019 smog that lasted eight days," the CSE said.
The longer duration of this year's smog despite relatively windier local conditions might be due to a lack of pollution control measures in the city, the green think tank said.
On an average, the contribution of smoke to Delhi's daily PM2.5 from the middle of October to November 8 was the lowest in the last four years.
"So far, it has recorded an average of 12 per cent (farm fire share) per day in contrast to 17 per cent per day in 2020, 14 per cent per day in 2019 and 16 per cent per day in 2018 (as reported by SAFAR)," the CSE said.
The share of farm fires in Delhi's pollution rose to 48 per cent on Sunday, the highest since November 5, 2018, when it was recorded at 58 per cent.
Last year, the share of stubble burning in Delhi's pollution had peaked at 42 per cent on November 5. In 2019, crop residue burning accounted for 44 per cent of Delhi's PM2.5 pollution on November 1.
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One dead in landslide, 235 rescued amid heavy snowfall in J-K’s Kishtwar
Jammu (PTI): One person was killed and another injured in a landslide near a hydro-power project, while over 230 people, including women and children, were evacuated after they were caught in heavy snowfall at the high-altitude Sinthan top in Jammu and Kashmir’s Kishtwar district, officials said on Monday.
In view of the inclement weather, the authorities have ordered the closure of all educational institutions outside the municipal limits in Kishtwar and adjoining Doda district for Monday as a precautionary measure, the officials said.
A landslide, triggered by rain, struck a hydro-power project site near Dangduru in Kishtwar district on the intervening night of Sunday-Monday, trapping two workers, the officials said.
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While one worker was later found dead, the other was rescued in an injured condition and shifted to a hospital, they said.
In another incident, the officials said, a joint rescue operation by the police, Army and the civil administration successfully evacuated 38 vehicles carrying 235 passengers to safety amid heavy snowfall at the Sinthan Top connecting Kishtwar in Jammu region with south Kashmir’s Anantnag district.
“On March 15, information was received that 235 civilians were stranded at Sinthan top due to heavy snowfall and severe weather conditions. Troops of the White Knight Corps were immediately mobilised to launch a swift rescue operation despite the treacherous terrain and relentless snowfall.
“Braving extreme weather and snow-blocked roads, the rescue teams reached Sinthan top and provided the stranded civilians with hot meals, drinking water and shelter. Repair and recovery teams restored the mobility of the stranded vehicles, while passengers from the unrecoverable vehicles were safely evacuated.
“Medical teams rendered assistance and essential medicines to those in need,” the White Knight Corps said in a post on X.
“The mission witnessed seamless coordination between the Army, J-K Police and the National Highways and Infrastructure Development Corporation, reaffirming the Army’s unwavering commitment to safeguarding lives in the harshest conditions,” the post added.
Kishtwar Deputy Commissioner Pankaj Kumar Sharma, along with SSP Naresh Singh and the commanding officer of the 11 Rashtriya Rifles, supervised the rescue operation, which continued for several hours, the officials said.
