<!– /11440465/Dna_Article_Middle_300x250_BTF –>A thick blanket of smog engulfed the national capital a day after Diwali festivities, leading to poor visibility conditions across the city. The weather office reported shallow to moderate levels of fog in many parts of the city. Safdarjung observatory recorded visibility at 200 metres. The formation of smog — the combination of smoke and fog — can be attributed to Sunday night’s incessant fireworks during the festivities. The minimum temperature was recorded at 15.5 degrees Celsius, normal for this time of the year, while the maximum is likely to be around 31 degrees Celsius. Air quality at 500 micrograms per cubic metre (severe) around Lodhi Road on Sunday morning. Earlier in the day, five vehicles collided due to the smog at DND flyover. No one was injured.Satyendra Jain, Delhi Health Minister, told ANI that pollution levels were high in several cities and said, “Thank you to the people of Delhi, who burst lesser crackers this time.”The sky will be clear in the later part of the day, an official said. Humidity was recorded on the higher end of the scale at 94% at 8:30 AM. On Sunday, the maximum and minimum temperatures were 31.7 and 15 degrees Celsius respectively. Air quality had plunged to ‘severe’ category, which carries the risk of affecting people’s respiratory system, on Sunday as smoke caused by fireworks, as part of Diwali festivities, blanketed the national capital.The Centre’s System of Air Quality and Weather Forecasting and Research (SAFAR) recorded the level of respirable pollutants, PM 2.5 and PM 10, at 283 and 517 micrograms per cubic metre respectively around 8 PM, violating the safe limits by multiple times. The prescribed standards of PM 2.5 and PM 10 are 60 and 100 respectively, and anything beyond that can harm the respiratory system as the ultra fine particulates can embed deep into the lungs and also enter the bloodstream.
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