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DELHI
The Pollution Capital
of India
By Sagar Ladhwani
Air Pollution :-
• Air pollution occurs when harmful substances including particulates and
biological molecules are introd...
Pollutants :-
1. Primary pollutants:
• Produced from a direct process, such as ash from a volcanic
eruption.
• Examples : ...
Primary Pollutants:-
• Carbon dioxide - CO2 is currently about 405 parts per million in
earth's atmosphere, billions of me...
• Carbon monoxide - CO is a colorless, odorless, toxic yet non-
irritating gas. It is a product of incomplete combustion o...
Secondary Pollutants :-
• Smog - It results from large amounts of coal burning in an area
caused by a mixture of smoke and...
Effects on Health:-
• Short-term effects -
• Irritation to the eyes, nose and throat
• Respiratory infections such as bron...
• Long-term Effects -
• Chronic respiratory diseases
• Lung cancer
• Heart disease
• Damage to the brain, nerves, liver, o...
A healthy baby girl born in
Delhi’s Indraprastha Apollo
Hospital on October 29. Kept
in Hospital for 2 days
because of Diw...
Meet the 6 year old
Shreya Goswami, born
with Ventricular Septal
Defect, or a hole in the
heart, Shreya had
undergone a su...
• Air quality monitoring stations reported the situation to be the WORST in
almost two decades.
• According to the Central...
So, what happened next?
The Delhi government ordered :-
• Closure of 5000 schools for 3 days
• Stopped all construction ac...
Burning of crop residues in
neighboring Punjab and
Haryana is the reason of the
crisis
Delhi
Govt
Punjab
&
Haryana
GovtBur...
Main Factors Responsible for Delhi Pollution :-
• Vehicular Emissions
• Cars
• 2-Wheelers
• Trucks
• Agricultural Activiti...
Cars (The Main Culprit) :-
• Delhi has more four-wheelers than any other city in the
country
• A 2015 study by the Indian ...
• According to Centre for Science and Environment (CSE),
based on real-time cross border traffic survey in June
2015, has ...
• Diesel cars, which are 3x to 7x times more polluting than petrol
cars, have further added to the toxicity.
• Delhi has m...
Two Wheelers :-
• Two-wheelers pose a dilemma. These affordable, fuel and space
efficient vehicles of the masses contribut...
• There are concerns about potential high NOx emissions from four-
stroke engines that power nearly all new vehicles now, ...
Trucks:-
• The June 2015 traffic count survey by CSE suggests that trucks that
enters Delhi daily spew close to 30 per cen...
• Another traffic count survey by CSE in December 2015 suggests
that the decrease in truck traffic led to a reduction of 3...
• Agricultural activities :-
• Ammonia is a very common by product
agriculture related activities.
• Use of insecticides, ...
• Exhaust from Factories and Industries :-
• Manufacturing industries release large amount of carbon
monoxide, hydrocarbon...
Mining operations :
Mining is a process wherein minerals below the earth are
extracted using large equipment. During the p...
Indoor air pollution :
Household cleaning products, painting
supplies emit toxic chemicals in the air and
cause air pollut...
Remedies & Solutions :-
• Improving Public Transportation
• Adopt Vehicles with BS-VI Standards
• Shifting towards Greener...
• Awareness among the Masses
regarding Air Pollution
Some Shocking Facts :-
• Air pollution is not a recent occurrence. In 1952, the Great Smog of London
killed 8000 people.
•...
Spread the Word
“Be a Part of the Solution,
not the Pollution”
Go Green
Thank You All
Delhi Air Pollution
Delhi Air Pollution
Delhi Air Pollution
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Delhi Air Pollution

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It contains detailed information of all the factors that have contributed to Delhi's Air Pollution

Published in: Environment
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Delhi Air Pollution

  1. 1. DELHI The Pollution Capital of India By Sagar Ladhwani
  2. 2. Air Pollution :- • Air pollution occurs when harmful substances including particulates and biological molecules are introduced into Earth's atmosphere. • Air pollution causes acid rain, ozone depletion, photochemical smog, and other such phenomena. • It may cause diseases, allergies or death in humans; it may also cause harm to other living organisms such as animals and food crops, and may damage the natural or built environment.
  3. 3. Pollutants :- 1. Primary pollutants: • Produced from a direct process, such as ash from a volcanic eruption. • Examples : Carbon monoxide gas from motor vehicle exhaust Sulphur dioxide released from factories. 2. Secondary pollutants • Not emitted directly, rather form in the air when primary pollutants react or interact. • Example : Ground level ozone
  4. 4. Primary Pollutants:- • Carbon dioxide - CO2 is currently about 405 parts per million in earth's atmosphere, billions of metric tons of CO2 are emitted annually by burning of fossil fuels. • Sulphur dioxide - SO2 is produced by volcanoes and in various industrial processes. Coal and petroleum also contain Sulphur compounds, and their combustion generates Sulphur dioxide. • Nitrogen oxides (NOx) - Nitrogen oxides, particularly nitrogen dioxide, are expelled from high temperature combustion. This reddish-brown toxic gas has a characteristic sharp, biting odor.
  5. 5. • Carbon monoxide - CO is a colorless, odorless, toxic yet non- irritating gas. It is a product of incomplete combustion of fuel such as natural gas, coal or wood. Vehicular exhaust is a major source of carbon monoxide. • Volatile organic compounds - VOCs are a well-known outdoor air pollutant. They are categorized as either methane (CH4) or non- methane (NMVOCs). The aromatic NMVOCs benzene, toluene and xylene are suspected carcinogens and may lead to leukemia with prolonged exposure. • Particulate Matter - Atmospheric particulate matter, or fine particles, are tiny particles of solid or liquid suspended in a gas which health hazards such as heart disease, altered lung function and lung cancer.
  6. 6. Secondary Pollutants :- • Smog - It results from large amounts of coal burning in an area caused by a mixture of smoke and SO2. It also comes from vehicular and industrial emissions that are acted on in the atmosphere by ultraviolet light from the sun to form secondary pollutants that also combine with the primary emissions to form photochemical smog. • Ground level Ozone - O3 is formed from NOx and VOCs. It is largely emitted due to the combustion of fossil fuel. it is also a constituent of smog. • Peroxyacetyl nitrate - C2H3NO5 is formed from NOx and VOCs.
  7. 7. Effects on Health:- • Short-term effects - • Irritation to the eyes, nose and throat • Respiratory infections such as bronchitis • Pneumonia • Headaches • Nausea • Allergic reactions. • Short-term air pollution can aggravate the medical conditions of individuals with asthma and emphysema.
  8. 8. • Long-term Effects - • Chronic respiratory diseases • Lung cancer • Heart disease • Damage to the brain, nerves, liver, or kidneys. • Continual exposure to air pollution affects the lungs of growing children and may aggravate or complicate medical conditions in the elderly. • Pre-mature Deaths
  9. 9. A healthy baby girl born in Delhi’s Indraprastha Apollo Hospital on October 29. Kept in Hospital for 2 days because of Diwali. However, on October 31, the baby developed breathing trouble and had to be moved to the ICU. Doctors said, ”The baby had perfectly developed lungs when she was born but is likely to suffer from bronchitis for life,” Reason - High level of PM 2.5 on November 5 and 6,, reached 837µg/m3. (Safe limit for humans is 60µg/m3)
  10. 10. Meet the 6 year old Shreya Goswami, born with Ventricular Septal Defect, or a hole in the heart, Shreya had undergone a surgery when she was eight. For children born with such defects, a polluted atmosphere can be fatal. Moving her around the city for three hours with such high PM2.5 (883 µg/m3) and carbon monoxide levels was akin to making her smoke five cigarettes.
  11. 11. • Air quality monitoring stations reported the situation to be the WORST in almost two decades. • According to the Central Pollution Control Board (CPCB), on November 5, PM 2.5 levels reached 999 at Punjabi Bagh and Anand Vihar. This is the maximum possible level most monitoring machines in the city are equipped to measure. • “150 to 200 patients daily around this time of the year, over 50 per cent of which are children. Airways, lungs and immune system of children are not fully developed, which makes them vulnerable to allergies, respiratory infections and irreversible lung damage,” says Anupam Sibal, senior pediatrician at the Indraprastha Apollo Hospital.
  12. 12. So, what happened next? The Delhi government ordered :- • Closure of 5000 schools for 3 days • Stopped all construction activities. • Shut down Badarpur Thermal Power Station for 10 days. • Banned bursting of firecrackers except on religious occasions. Debate, Discussion & a Blame Game started
  13. 13. Burning of crop residues in neighboring Punjab and Haryana is the reason of the crisis Delhi Govt Punjab & Haryana GovtBurning of Crackers because of Diwali Celebrations is the reason. It’s Delhi’s own created Mess. The Blame Game
  14. 14. Main Factors Responsible for Delhi Pollution :- • Vehicular Emissions • Cars • 2-Wheelers • Trucks • Agricultural Activities • Exhaust from factories and industries • Mining operations • Indoor air pollution
  15. 15. Cars (The Main Culprit) :- • Delhi has more four-wheelers than any other city in the country • A 2015 study by the Indian Institute of Technology-Kanpur says vehicles are the second largest source of PM2.5 emissions in the city, accounting for 20 per cent. The largest source, at 38 per cent, is road dust, which is mostly generated by vehicular movement • Delhi has 8.8 million registered vehicles, inclu ding 2.8 million cars. And their number increases by around 1,560
  16. 16. • According to Centre for Science and Environment (CSE), based on real-time cross border traffic survey in June 2015, has exposed that the number of vehicles (0.4 million) that enter Delhi daily are close to the total number of vehicles (0.17 million in 2014-15) that get registered in the national capital in a year. • These contribute close to a quarter of the total particulate load. • Though emission and fuel quality norms have become more stringent—from Bharat Stage II (BS II) in 2000 to BS IV in 2010—the gains made through this have been nullified by the increase in number of vehicles.
  17. 17. • Diesel cars, which are 3x to 7x times more polluting than petrol cars, have further added to the toxicity. • Delhi has moved all its buses, autos and taxis to CNG. • But, Diesel car numbers have exploded—from 4 per cent of new car sales in 2000 to over 50 per cent in 2014. The IIT-K study says diesel four-wheelers contribute 70-80 per cent of the PM2.5 from transport sector in the city. • NGT ordered a ban on all diesel vehicles older than 10 years in the city. Earlier, the Supreme Court had banned 15-year-old commercial vehicles.
  18. 18. Two Wheelers :- • Two-wheelers pose a dilemma. These affordable, fuel and space efficient vehicles of the masses contribute enormously to pollution. • Two-wheelers constitute 80% of the total vehicles sales in the country. The IIT-K study says two-wheelers contribute 33 per cent of total PM2.5 emitted from all vehicles. • Even though, most of them are replaced by cleaner & better 4- Stroke Engines. Still, 2-stroke two-wheelers account for a quarter of the total two-wheelers on the road.
  19. 19. • There are concerns about potential high NOx emissions from four- stroke engines that power nearly all new vehicles now, because the norms do not regulate NOx separately. A combined limit for hydrocarbon and NOx allows margin for higher NOx emissions when vehicle is optimized for higher fuel efficiency. There is a technical trade off between NOx emissions and fuel economy. • Two-wheeler industry is gearing up to meet BS IV norms which will have separate NOx limit. • A paradigm shift in two-wheeler technology is expected with the enforcement of BS VI norms in 2020. With BS VI, India, for the first time, will set particulate standards for two-wheelers, have tighter and separate NOx and hydrocarbon limits, and on-board diagnostic systems.
  20. 20. Trucks:- • The June 2015 traffic count survey by CSE suggests that trucks that enters Delhi daily spew close to 30 per cent of the total particulate load and 22 per cent of the total NOx load released by the transport sector. • Taking note of the estimates, the Supreme Court on October 9, 2015 imposed a green tax or environment compensation charge (ECC) on commercial goods vehicles entering Delhi from the city’s 124 entry points. (Rs 700 and Rs 1,300 on light-duty trucks and trucks having two or more axles respectively.) • Trucks carrying essential commodities like food and petroleum were exempted. The move had immediate impact.
  21. 21. • Another traffic count survey by CSE in December 2015 suggests that the decrease in truck traffic led to a reduction of 30-35 per cent in particulate load and NOx levels in this vehicle category. • Though ECC has been introduced in Delhi, there were concerns that manual collection might allow tax evasion. To address this, the Supreme Court directed that the ECC collected should be used for installing a radio frequency identification (RFID) infrastructure in Delhi. RFID is an electronic system that allows automatic toll collection when vehicles pass through the entry gates. ECC will be transferred to government accounts, • RFID will not only allow efficient collection of toll but also opens up the enormous possibility of tracking vehicle operations and performance.
  22. 22. • Agricultural activities :- • Ammonia is a very common by product agriculture related activities. • Use of insecticides, pesticides and fertilizers agricultural activities has grown quite a lot. • Burning of Crop Residue in Punjab & & the Wind Pattern results in the deadly choking of Delhi Air Pollution.
  23. 23. • Exhaust from Factories and Industries :- • Manufacturing industries release large amount of carbon monoxide, hydrocarbons, organic compounds, and chemicals into the air thereby depleting the quality of air. • Petroleum refineries also release hydrocarbons and various other chemicals that pollute the air.
  24. 24. Mining operations : Mining is a process wherein minerals below the earth are extracted using large equipment. During the process dust and chemicals are released in the air causing massive air pollution. This one of the reason which is responsible for the deteriorating health conditions of workers and nearby residents.
  25. 25. Indoor air pollution : Household cleaning products, painting supplies emit toxic chemicals in the air and cause air pollution. Have you ever noticed that once you paint walls of your house, it creates some sort of smell which makes it literally impossible for you to breathe.
  26. 26. Remedies & Solutions :- • Improving Public Transportation • Adopt Vehicles with BS-VI Standards • Shifting towards Greener Energy (Solar, Wind, Nuclear instead of Fossil Fuels based Power Plants) • Avoiding burning of Crop Residues • Avoiding burning of Fire Crackers & use of such elements. • Mandatory Provision of Green Belts in all Areas • Regulation for controlling the Emissions from Industries & Mining & Construction Sectors
  27. 27. • Awareness among the Masses regarding Air Pollution
  28. 28. Some Shocking Facts :- • Air pollution is not a recent occurrence. In 1952, the Great Smog of London killed 8000 people. • According to the Lancet journal, air pollution caused by waiting in traffic increases the chances of death caused due to heart attack. • Toxic air pollution poses a greater threat to children, due to their smaller physical size and lung capacity. • Air pollution that causes smog affects dolphins and makes them suffer from black lung diseases. • Outdoor air pollution outdoor, ranks in the top ten killers on earth. • 65% of the deaths in Asia and 25% deaths in India are due to air pollution. • By 2050, 6 million people will die per year due to air pollution.
  29. 29. Spread the Word “Be a Part of the Solution, not the Pollution” Go Green Thank You All

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