Delhi-NCR witnessed a thick layer of thick fog on Friday morning after bursting crackers on Diwali, leaving residents suffering from throat irritation and watery eyes in many parts. Authorities said the situation could worsen due to the smoke emanating from stubble burning on Friday. According to the Central Pollution Control Board (CPCB), the 24-hour average concentration of lung-damaging fine particulates i.e. PM 2.5 rose to 410 micrograms per cubic meter at 9 am on Friday, which is close to the safe rate of 60 micrograms per cubic metre. seven times more. Its average concentration was 243 micrograms per cubic meter at 6 pm on Thursday.
The PM10 level crossed the 500 microgram per cubic meter mark at around 5 am on Friday and was 511 microgram per cubic meter at 9 am. According to the Graded Response Action Plan (GRAP), the air quality is “emergency” if PM2.5 and PM10 levels exceed 300 micrograms per cubic meter and 500 micrograms per cubic meter, respectively, for 48 hours or more. ‘ category is considered.
Delhi’s air quality index (AQI) rose to 451 (severe category) at 8 am due to low temperature and cloudy morning due to accumulation of pollutants. India Meteorological Department (IMD) senior scientist RK Jeenamani said, “Due to dense fog in Delhi-NCR on Friday morning, visibility at Indira Gandhi International Airport and Safdarjung Airport reduced to 200 to 500 at 5.30 am. within a meter radius. Visibility reduced to 200 meters in many parts of the city.
Out of 33 air quality monitoring centers in Delhi, 33 recorded AQI in severe category. Delhi’s air quality reached the severe category on Thursday night as people bursting crackers on Diwali in blatant violation of government restrictions. The air quality in the neighboring cities of Faridabad (454), Greater Noida (410), Ghaziabad (438), Gurugram (473) and Noida (456) was recorded in the severe category on Friday morning.
It is noteworthy that the AQI between zero to 50 is good, 51 to 100 satisfactory, 101 to 200 moderate, 201 to 300 poor, 301 to 400 very poor and 401 to 500 between. considered in the severe category. People in several parts of the national capital and its suburbs complained of headache, sore throat and watery eyes in the morning. Concerned citizens and environmental activists shared photos and videos of fireworks on social media and called the cracker ban a “joke”.
A user on Twitter wrote, “Delhi should by law remain closed tomorrow morning and the government’s ban on firecrackers has proved to be the biggest joke of the year. Nobody cares, meanwhile most of my family has severe dry cough or headache. Delhi’s AQI is above 700 and the night has not even started.” Fireworks continued till late night in the cities of the National Capital Region, Noida, Faridabad and Gurugram.
The Haryana government has banned the sale and use of all types of firecrackers in its 14 districts in the National Capital Region. The Uttar Pradesh government had approved the use of green crackers on Diwali for two hours in areas with moderate or better air quality. Experts said that the air quality reached the severe category due to lack of wind, low temperature and toxic emissions from firecrackers, stubble burning and local sources.
The share of pollution caused by stubble burning in Delhi rose to 25 per cent on Thursday and is likely to reach 35 per cent by Friday and 40 per cent by Saturday, said SAFAR, the air quality forecasting agency of the Ministry of Earth Sciences. He said relief is expected only from the evening of November 7 but the air quality will remain in the very poor category.