By Ritam HalderNEW DELHI: Delhi and NCR once again saw their air quality at Diwali, no, because people cracked cracks…
By Ritam Halder
NEW DELHI: Delhi and NCR once again saw their air quality at Diwali, no, because people cracked cracks and violated a supreme court order that allowed green cakes to control pollution levels and were fouler than last year.
Delhi air quality on Wednesday, Diwali Day, swung between “poor” and “very bad” categories, as the authorities warned of severe deterioration of air quality even though “partial toxic crackers” burned compared to last year. On Thursday morning, most air quality monitoring stations had “very bad” air quality throughout the city.
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1 areas in Delhi registered “very poor” air quality while 24 areas recorded “poor” air quality, according to CPCB data. An AQI between 0 and 50 is considered to be “good”, 51 and 100 “satisfactory”, 101 and 200 “moderate”, 201 and 300 “poor”, 301 and 400 “very bad” and 401 and 500 “difficult”.
But as the Diwali evening came and despite the Supreme Court, people across Delhi-NCR came out and blasted biscuits, even though they did not have as large volumes as previous years, the air quality nosedived quickly.
Jahangirpuri, which is probably one of the most polluted sites in Delhi, had the highest PM10 reading at 4,499 micrograms per cubic meter, according to the Delhi Contamination Control at 11:00 and is the highest over the DPCC stations at Diwali night. Wazirpur, at 1 o’clock, saw PM2.5, the finer particulate substance, touching an astronomical high of 4,659 micrograms per cubic meter, which is highest across all DPCC stations this Diwali. The permissible limit for PM10 and PM2.5 is 100 and 60 micrograms per cubic meter. Other surveillance stations that showed high levels of pollution at pollution levels include Dwarka, Okhla and Aurobindo Marg.
Last year, Delhi had an air quality index of 319, which falls in the bad category at Diwali. However, it was much better than 2016 when AQI at Diwali was 431 at severe levels and 343 in 2015. During the western hours after Diwali 2017, AQI was for Delhi 340. In 2016, today’s AQI was 445 by 2015 it was 360. This year it’s marginally higher at 343.
Air quality and weather forecasts and research had previously assessed poorer air quality for Wednesday night and Thursday.
“The highest levels of PM10 and PM2.5 are expected between 11.00 and 3.00 on Wednesday and Thursday. Air quality is getting poor on Thursday and begins to improve from Friday, although partial toxic cracking compared to 2017 is burned”, the state agency had warned .
According to SAFAR, both burns in the surrounding parts of Delhi and firecrackers cause air quality deterioration in the national capital. “The fire values are considered to be very high, but it is a combination of stubble burning and widespread cracking in that region and does not have to be confused with just one stump,” SAFAR said in a report Wednesday.
It also said that the combination of several fast-growing weather parameters plays a key role in controlling air pollution at this time.
Delhi air quality is expected to deteriorate to the category “serious plus distress” after Diwali, said SAFAR. “Although 50 percent of the total load of toxic fire extinguishers compared to Diwali 2017 is added, the prevailing weather conditions will worsen the high level of smoke and keep air quality in a tight range for at least two days on November 8 and November 9,” said in a report.
SAFAR also predicted that PM10 concentration in Delhi is expected to reach 575 and PM2.5 to 378 on Thursday, and records the worst air quality in the year when firebreaks burn, said it.
The Indian Institute of Tropical Meteorology said the winds coming from the north-western direction bring the impact of biomass that burns to Delhi-NCR, which can continue until Thursday morning.
Last year, the Supreme Court on October 9 banned the sale of firefighters in the Delhi-National Capital Region until October 31st. However, there was no such order to buy and explode and Delhi is solely responsible for air breathing because of today’s weather conditions.
This year the college recommended that fire extinguishers, except green cakes, will not be sold in the Delhi-NCR region this Diwali and other festivals, this comes as a viable alternative for many. But on the ground people would ignore the ban and burst and burned ants, phuljaris and rockets.
Previously, anticipating high levels of pollution between November 1-10, the Supreme Court’s designated Environmental Pollution Control and Prevention Authority (EPCA) announced that the closure of building operations for 10 days in the Delhi-NCR region was closed by coal and biomass-based industries from and with November 4-10, and has requested that people should limit exposure to the ugly air during the ten days.
“But what we need is that we all participate and engage in combating the pollution crisis, which we know is a serious health crisis. We appeal to all NCR citizens to participate in the fight against air pollution,” said that.
On Tuesday, EPCA also announced a ban on the entry of trucks to Delhi, an emergency response action plan, from 8-10 November, considering high levels of pollution after Diwali.