An AQI between 0 and 50 is considered 'good', 51 and 100 'satisfactory', 101 and 200 'moderate', 201 and 300 'poor', 301 and 400 'very poor', and 401 and 500 'severe.
Anumita Roy Chowdhury, executive director (research and advocacy) at the think-tank Centre for Science and Environment, said a slew of measures — such as shutting down coal power plants, shifting to BS-IV standards and creation of peripheral roads to avoid entry of polluting trucks in Delhi — reduced pollution in the last decade.
The Graded Response Action Plan, that prescribes ways to combat pollution, came into force in the Delhi-NCR region on October 15
Transport department has suggested to allow two-wheelers during odd-even scheme to be in force from November 4-15
The effect of stubble burning ranged from 0 to 9 percent between October 10 and 13, according to a SAFAR report released on Monday.
GRAP measures include increasing bus and metro services, hiking parking fees and stopping use of diesel gen-sets when the air quality turns "poor"
Expressing concern about the health of Delhi people, Kejriwal said it was for the first time that the air quality in Delhi was in 'good' category during the past four months.
While Haryana has reported a slight decrease in the number of stubble burning incidents, Punjab has reported a massive increase of 45 percent in such cases till October 11
"Air quality is predicted to slightly improve but in the same moderate category and likely to stay in the same category for the next two days," it added.
A government official said that modalities of the plan will be worked out soon, adding that the measure may be temporary arrangements to reduce pollution in winters.
The scientist is helping Gujarat and Maharashtra cut down industrial particulate emission
The department requested the court to consider asking it to purchase "only one or two machines" for remote sensing technology to identify such vehicles.
From the remaining 74 cities, those with a population between five to ten lakh will receive Rs 20 lakh each, while those with a population below five lakh will receive Rs 10 lakh each, as the initial amount.
COPD is a long-term condition linked to reduced lung function that causes inflammation in the lungs and a narrowing of the airways, making breathing difficult.
According to the study, the number of cars registered in India between 1951 and 2005 stood at 10.3 million and cars almost twice that number were registered in just ten years -- 20 million from 2006 to 2015.
While exposure to outdoor particulate matter (PM) accounted for a loss of nearly one year and six months in life expectancy, exposure to household air pollution accounted for a loss of nearly one year and two months, according to the CSE.
The System of Air Quality and Weather Forecasting and Research (SAFAR) recorded the air quality index at 408 which falls in severe category, while the Central Pollution Control Board showed the AQI in very poor category at 347.
According to the System of Air Quality and Weather Forecasting and Research (SAFAR), the air quality index (AQI) was at 341 on May 8 which falls in 'very poor' category.
A report by environment NGO Greenpeace recently stated that Delhi topped the list of most polluted cities in the world.
“Out of these, 3 million deaths are directly attributed to PM2.5, half of which is from India and China together. The analysis found that China and India together were responsible for over half of the total global attributable deaths, with each country facing over 1.2 million deaths from all air pollution in 2017,” the report said.
IIT Delhi, which has a Centre of Excellence for Research on Clean Air, to take up research to study air pollution issues in Delhi-NCR region, is working closely with the Central Pollution Control Board in this regard.
Seven of the 10 most polluted cities in the world are in India, revealed the data compiled in the IQAir AirVisual 2018 World Air Quality Report. Read on to find out the most polluted city in the world:
New Delhi's toxic air is caused by vehicle and industrial emissions, dust from building sites, smoke from the burning of rubbish and crop residue in nearby fields.
David Boyd said that over six billion people, one-third of them children, are regularly inhaling air so polluted that it puts their life, health and well-being at risk.
On-road diesel vehicles were responsible for nearly half of the health impacts of air pollution from vehicles worldwide in 2015.