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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BJP MLA Munirathna asks Speaker to ensure he gets protection
Bengaluru: BJP legislator Munirathna has requested Speaker UT Khader to ensure protection for him and cited instances when people threw eggs at him when he was on the streets, tore his shirt and also applied ash on his face.
Speaking during the debate in the Assembly on Thursday on the Governor's speech, Munirathna pointed out that Ballari witnessed violence following disagreement regarding putting up a banner and a flex and also urged the Speaker to ban the use of flexes.
“There are 138 bars in Rajarajeshwarinagar, the constituency I represent. FIRs are being filed against women who have been asking for the closure of these bars. Officers refuse to give people information on legal guidelines regarding bars and restaurants. I have filed about 1,380 RTI applications, but the officers have rejected the pleas,” the BJP leader told the Speaker.
Munirathna also complained that he had asked for protection as he feared that he could be attacked in his constituency, but was denied a gunman. “I had to appeal to the Supreme Court, which responded positively and directed that I be provided a gunman. I also had to request the Chief Minister directly, after which, a gunman was appointed for my protection,” he said.
The MLA accused Deputy CM DK Shivakumar of claiming that Muniratna's rival, who lost the polls from Rajarajeshwarinagar, was the local MLA and interfering in matters related to the constituency. “It is unbecoming of him to harass an elected representative and interfere in his works in a sadistic manner. Police officers are assigned to my constituency only if a complaint or a rape case is filed against the MLA,” he added.
