Air quality of national capital, Delhi remained unhealthy on October 21. Air Quality Index (AQI) near ITO recorded PM 2.5 at 150 and PM 10 at 186. Delhiites raised concern over the bad air quality amid COVID-19 pandemic.
"I had in this letter explained that we may have to direct the closure of thermal power plants, which do not meet the 2015 standards as air quality deteriorates in the coming days," he said
In Bangladesh, the AQI is based on five pollutants: Particulate Matter (PM10 and PM2.5), NO2, CO, SO2 and Ozone, The Daily Star newspaper reported.
The national capital's Air Quality Index remains in 'poor' category on October 16. Air Quality Index is at 285 in ITO, 243 in RK Puram and 259 in Anand Vihar.
Delhi's air quality was recorded in the "poor" category on Thursday and is likely to deteriorate further due to unfavourable meteorological conditions and a spike in farm fires.
The national capital's air quality was recorded in the "moderate" category on Saturday, and is likely to turn "poor" in two days due to lowering temperatures and slow wind speed.
After the hypnotizing sight of Dhauladhar mountain range, people on Twitter started coming up with edited pictures and jokes of various places like Canada, solar system, Burj Khalifa, Karachi, Eiffel Tower being visible from their windows and porch.
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.
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