NASA alerts Delhi of having high levels of air pollution which aroused from burning and clearing crops from the fields in Delhi. The North of India is alerted with such triggering indications that it makes everyone concern for leading day to day life in the nation’s capital Delhi.
Why does this happen in the month of November?
Every November, satellites detect Huge plumes of smoke and wide engaging fire activity is seen in northwestern India as farmers burn the paddy straw after the rice are harvested. Farmers from Punjab and Haryana use fire to clean and fertilize fields before planting crops for winter. Also, there is surge of fires in the heart of the thickly populated Indo-Gangetic Plain often contributing to sharp deterioration of air quality in the month of November and December.
When and how is the fire caused?
On November 11, 2021, the Visible Infrared Imaging Radiometer Suite (VIIRS) on the Suomi NPP satellite took this image of a river of smoke coming from fires in Punjab and Haryana toward Delhi. There have been also fires in northern Pakistan which contributed some of the smoke.
How alarming is the condition of Delhi?
By looking at the size of the plume on November 11 and the population density in this area, Pawan Gupta, a Universities Space Research Association (USRA) scientist at NASA’s Marshall Space Flight Center said that a conservative estimate is that at least 22 million people were affected by smoke on this one day,”.
However, the matter is linked to a range of respiratory diseases, cardiovascular illness and other health problems. The World Health Organization guidelines recommend that 24-hour mean PM2.5 concentrations be kept below 15 micrograms per cubic meter. The high-alerting pollution levels have made CM Kejriwal to take initiative of partial lockdowns, school shutdown and stopping of constructions in Delhi.