India has once again topped the annual list of cities with the worst air quality in the world. According to a new report by AirVisual, which monitors international air pollution, 21 of the world's 30 cities with the worst air pollution are in India.
The minimum temperature in the city settled at 6.1 degrees Celsius, three notches below the season's normal.
As the National Capital (NCR) witnessed shallow fog in several parts after the temperature dipped two degrees below, At least 26 Delhi-bound trains were delayed on Saturday by one to five hours due to severe fog in several parts of northern India.
The city recorded a low of 9.5 degrees Celsius and a high of 18 degrees Celsius, which was three notches below the normal. The government's air quality monitoring and forecasting service, SAFAR, said "huge" accumulation of pollutants occurred last night.
The city's Air Quality Index (AQI) stood at 179 at 9.45 am which falls in the "moderate" category as against 316 on Friday morning. The AQI recorded in Ghaziabad was 264, Greater Noida 241, Noida 254, Gurgaon 165, the Meteorological (MeT) department said.
Weather department officials said the city recorded a low of 7.9 degrees Celsius, a notch below normal, and a high of 23.2 degrees Celsius. On Tuesday, the mercury had dipped to the season's lowest at 7.4 degrees Celsius.
A concerned city dweller wrote: "We're at the point where smoke in Sydney is so bad, experts are calling for air pollution shelters" One user commented; "This is like Kuala Lumpur in 1993 when rainforests were taken down for agriculture. This smoke is sickening!"
An AQI between 0-50 is considered "good", 51-100 "satisfactory", 101-200 "moderate", 201-300 "poor", 301-400 "very poor" and 401-500 "severe". An AQI above 500 falls in the "severe plus" category.
An AQI between 0-50 is considered "good", 51-100 "satisfactory", 101-200 "moderate", 201-300 "poor", 301-400 "very poor" and 401-500 "severe". An AQI above 500 falls in the "severe plus" category.
"You keep blaming Punjab for the pollution. This morning I couldn't come from Chandigarh by chopper because of the pollution in Delhi and Punjab had bright sunshine. So we are not giving any smoke from Punjab," Singh said at the 17th Hindustan Times Leadership Summit.
The SAFAR model forecast suggests calm surface winds and a decrease in ventilation coefficient for the coming days and the condition was conducive for the pollutant accumulation.
Ganga Ram Chauhan has invented a bicycle-based shredder machine which can crush and grind elements, including wood, leaves and crop remains into particles of less than 80 mm size. These particles can then be easily converted into compost. The machine costs only around Rs 5,000-6000, he says.
With Delhi registering the season's lowest minimum temperature at 7.6 degrees Celsius on Thursday, smog returned to choke Delhi-NCR again, with pollution levels entering the 'severe' zone in many parts of the national capital and its suburbs.
The air quality of the national capital remained 'very poor' for the second consecutive day on Thursday and is likely to further deteriorate to 'severe' category in some parts of the city on Friday.According to the Centre-run System of Air Quality and Weather Forecasting (SAFAR), the overall air quality index (AQI) of Delhi was recorded at 334 on Thursday morning.
The air in the national capital was so toxic after Diwali that the Environmental Pollution (Prevention and Control) Authority (EPCA) had declared a public health emergency in the Delhi-NCR and had advised people, especially children and the aged, to limit their exposure to the environment.
An AQI between 0-50 is considered 'good', 51-100 'satisfactory', 101-200 'moderate', 201-300 'poor', 301-400 'very poor' and 401-500 'severe'. An AQI above 500 falls in the 'severe plus' category. The city's air quality index was 254 at 9.42 am, according to the System of Air Quality and Weather Forecasting and Research (SAFAR) on Tuesday.
The city's air quality index was 254 at 9.42 am, according to the System of Air Quality and Weather Forecasting and Research (SAFAR). The air quality index was 254 in Faridabad, 266 in Ghaziabad, 243 in Noida, 266 in Greater Noida and 193 in Gurgaon.
In the study published in the journal Nature Communications, the researchers described a process that may unlock the commercial potential of this low-calorie, low-glycemic sugar.
Delhiites woke up a to a cold Monday morning with the minimum temperature settling at 13.7 degrees Celsius.
"The roads are congested at all times of the day but people are used to the conditions now. However, of late, there are more and more people complaining of burning sensation in eyes, short breath and even persistent cough.
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