<p>Nasa&nbsp;has released satellite images that show dangerous pollution levels in the Indian capital as smoke from crop fires blanketed the city and contributed to an alarming increase in the levels of air pollution.&nbsp;</p>

<p>Delhi has been coping with&nbsp;air pollution since the start of November month this year. In previous years also, the capital region of India faced similar consequences of stubble burning. The Indian capital is consistently ranked the world's worst capital for air quality.&nbsp;</p>

<p><strong>ALSO READ | <a href="https://www.wionews.com/india-news/imd-predicts-extremely-heavy-rains-for-chennai-adjoining-districts-430228">IMD predicts extremely heavy rains for Chennai, adjoining districts</a></strong></p>

<p>Last week, the levels of PM2.5 pollutants reached more than 30 times the maximum daily limit recommended by the global health governing body, World Health Organization (WHO). PM2.5 pollutants are the microparticles most harmful to human health and can enter the bloodstream through the lungs.&nbsp;</p>

<p>Now, the imagery Nasa&nbsp;has published, which is dated November 11, shows large plumes of smoke and heightened fire activity as detected by the satellites in northwestern India as farmers burn off excess paddy straw after the rice harvest.&nbsp;</p>

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<p dir="ltr" lang="en">Smoke from crop fires in northern India blanketed Delhi and contributed to soaring levels of air pollution. <a href="https://t.co/Pe30imj6xV">https://t.co/Pe30imj6xV</a> <a href="https://t.co/RyNEmVcbXx">pic.twitter.com/RyNEmVcbXx</a></p>
— NASA Earth (@NASAEarth) <a href="https://twitter.com/NASAEarth/status/1461349959114977287?ref_src=twsrc%5Etfw">November 18, 2021</a></blockquote>
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<p><img alt="NASA image" data-entity-type="file" data-entity-uuid="fca0e03a-0998-4390-acd4-9ed4bd560f07" src="//cdn.wionews.com/sites/default/files/inline-images/indiaair_vir_2021315_lrg.jpg" /></p>

<p><em>(Image source:&nbsp;earthobservatory.nasa.gov)</em></p>

<p>"On November 11, 2021, the Visible Infrared Imaging Radiometer Suite (VIIRS) on the Suomi NPP satellite acquired this natural-color image of a river of smoke streaming from fires in Punjab and Haryana toward Delhi, one of India's most populous cities," Nasa&nbsp;said in its report.</p>

<p>"Looking at the size of the plume on November 11 and the population density in this area, I would say that a conservative estimate is that at least 22 million people were affected by smoke on this one day," said Pawan Gupta, a Universities Space Research Association (USRA) scientist at Nasa's Marshall Space Flight Center.</p>

<p>Authorities in the Indian capital took necessary steps to curb the pollution levels as they ordered six of the 11 coal power plants in Delhi's vicinity to close down until further notice.&nbsp;</p>

<p>Schools have also been shut indefinitely so that children do not come in contact with harmful smoke. The authorities have barred trucks except those carrying essential goods from entering the capital until next week and told civil servants to work from home.&nbsp;</p>

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Nasa has released satellite images that show dangerous pollution levels in the Indian capital as smoke from crop fires blanketed the city and contributed to an alarming increase in the levels of air pollution.

Nasa has released satellite images that show dangerous pollution levels in the Indian capital as smoke from crop fires blanketed the city and contributed to an alarming increase in the levels of air pollution. Delhi has been coping with air pollution since the start of November month this year. In previous years also, the capital region of India faced similar consequences of stubble burning. The Indian capital is consistently ranked the world's worst capital for air quality. ALSO READ | IMD predicts extremely heavy rains for Chennai, adjoining districts Last week, the levels of PM2.5 pollutants reached more than 30 times the maximum daily limit recommended by the global health governing body, World Health Organization (WHO). PM2.5 pollutants are the microparticles most harmful to human health and can enter the bloodstream through the lungs. Now, the imagery Nasa has published, which is dated November 11, shows large plumes of smoke and heightened fire activity as detected by the satellites in northwestern India as farmers burn off excess paddy straw after the rice harvest. Smoke from crop fires in northern India blanketed Delhi and contributed to soaring levels of air pollution. https://t.co/Pe30imj6xV pic.twitter.com/RyNEmVcbXx — NASA Earth (@NASAEarth) November 18, 2021 × (Image source: earthobservatory.nasa.gov) "On November 11, 2021, the Visible Infrared Imaging Radiometer Suite (VIIRS) on the Suomi NPP satellite acquired this natural-color image of a river of smoke streaming from fires in Punjab and Haryana toward Delhi, one of India's most populous cities," Nasa said in its report. "Looking at the size of the plume on November 11 and the population density in this area, I would say that a conservative estimate is that at least 22 million people were affected by smoke on this one day," said Pawan Gupta, a Universities Space Research Association (USRA) scientist at Nasa's Marshall Space Flight Center. Authorities in the Indian capital took necessary steps to curb the pollution levels as they ordered six of the 11 coal power plants in Delhi's vicinity to close down until further notice. Schools have also been shut indefinitely so that children do not come in contact with harmful smoke. The authorities have barred trucks except those carrying essential goods from entering the capital until next week and told civil servants to work from home. ×

Red dots over Delhi: Nasa shares satellite images of dangerous pollution levels in Indian capital

<p>The overall Air Quality&nbsp;Index (AQI) in Delhi remains in the `very poor` category on Sunday, according to System of Air Quality and Weather Forecasting And Research (SAFAR).</p>

<p>The overall AQI stands at 370 in the morning hours.Meanwhile, the moderate fog has been observed in isolated parts of the national capital.</p>

<p>Cold wave to severe cold wave conditions are likely to re-establish over Punjab, Haryana, Chandigarh, Delhi, Rajasthan, and West Uttar Pradesh from December 29, said IMD in its bulletin today.</p>

<p>Following the ongoing COVID-19 conditions, health experts have urged people to take extra precautions as respiratory diseases tend to worsen with a dip in temperature and a rise in pollution levels.An AQI between 0-50 is marked good, 51-100 is satisfactory, 101- 200 is moderate, 201- 300 is poor, 301-400 is very poor and 401-500 is considered severe.</p>


The overall Air Quality Index (AQI) in Delhi remains in the `very poor` category on Sunday, according to System of Air Quality and Weather Forecasting And Research (SAFAR).

The overall Air Quality Index (AQI) in Delhi remains in the `very poor` category on Sunday, according to System of Air Quality and Weather Forecasting And Research (SAFAR). The overall AQI stands at 370 in the morning hours.Meanwhile, the moderate fog has been observed in isolated parts of the national capital. Cold wave to severe cold wave conditions are likely to re-establish over Punjab, Haryana, Chandigarh, Delhi, Rajasthan, and West Uttar Pradesh from December 29, said IMD in its bulletin today. Following the ongoing COVID-19 conditions, health experts have urged people to take extra precautions as respiratory diseases tend to worsen with a dip in temperature and a rise in pollution levels.An AQI between 0-50 is marked good, 51-100 is satisfactory, 101- 200 is moderate, 201- 300 is poor, 301-400 is very poor and 401-500 is considered severe.

Delhi's AQI remains in 'very poor' category

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Red dots over Delhi: Nasa shares satellite images of dangerous pollution levels in Indian capital

Delhi's AQI remains in 'very poor' category