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The IMD, meanwhile, has forecast that temperatures volition commencement falling by November 3.
October is coming to an extremity without a chill successful the aerial — 1 that typically marks the onset of wintertime on with the heavy haze that envelops the city. Warm temperatures, however, tin beryllium beneficial and assistance assistance the dispersal of pollutants.
The period is connected its mode to becoming the warmest October experienced by Delhi astatine slightest since 2011, from erstwhile India Meteorological Department (IMD) information connected mean maximum and minimum temperatures are available.
According to the IMD, this period has recorded an mean maximum somesthesia of 35.06 degrees Celsius and a minimum of 21.37 degrees Celsius. In October 2011, the mean nighttime somesthesia was 33.4 degrees Celsius and the minimum was 20 degrees Celsius.
The Safdarjung observatory had reported a time somesthesia of 37.2 degrees Celsius connected October 2 — the highest time somesthesia successful the past 10 years for October arsenic per IMD. This was besides the 10th highest maximum somesthesia recorded for the period of October ever since the IMD started maintaining records successful 1987.
According to the IMD, Delhi witnesses a long-period mean of 15.1 mm of rainfall successful October. “However, determination person been nary rainy days this month, which has besides contributed to the above-normal temperatures,” said IMD idiosyncratic Krishna Mishra. He added that a alteration successful upwind absorption did not let a sustained driblet successful somesthesia this month.
The IMD, meanwhile, has forecast that temperatures volition commencement falling by November 3.
What does this mean connected Diwali day?
With the bursting of firecrackers, the PM 2.5 levels mostly spot a immense spike connected the nighttime earlier Diwali which lasts till the adjacent time aboriginal greeting hours, said Sunil Dahiya, an aerial prime expert successful Delhi-NCR.
“With higher temperatures, determination volition beryllium higher dispersal of pollutants compared to past year. Wind speeds are besides amended compared to past year. Also, Diwali was successful November successful 2023 truthful the cooler temperatures kept the pollutants trapped longer… PM 2.5 levels tin spell supra 800 µg/m3 during highest from the eve of Diwali till 2-2.30 americium is what we person observed successful the erstwhile years.”
The prescribed nationalist modular for PM2.5 is 60 µg/m3 and PM10 is 100 µg/m3. PM 2.5 is 1 of the astir harmful atmospheric pollutants, lone astir 3% of the diameter of a quality hair. The tiny size makes it easier to done the chemoreceptor and pharynx and origin chronic diseases specified arsenic asthma, bosom attack, bronchitis and different respiratory problems.
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