Urban Air Quality
Judgment of the National Green Tribunal regarding plywood factories operating in Yamuna Nagar, Haryana, 27/05/2025
Judgment of the National Green Tribunal, May 27, 2025 in the matter of Sumit Saini Vs Shree Ram Steel Industries & Others. Sumit Saini, resident of village Damla, District Yamuna Nagar, Haryana had sent a letter petition dated May 14, 2022 to the NGT. The application said that around 25 …A study on long term variation in particulate matter and black carbon aerosol optical thickness over Mysuru, India: A satellite data approach
Aerosol Optical Thickness (AOT) is a measure of solar spectral extinction. Long term AOT data analysis gives a picture of air quality for that location. This type of analysis is useful in the study of impact of urbanization on local climate. Aerosols are one of the most important but poorly …Quantifying the influence of agricultural fires in northwest India on urban air pollution in Delhi, India
Since at least the 1980s, many farmers in northwest India have switched to mechanized combine harvesting to boost efficiency. This harvesting technique leaves abundant crop residue on the fields, which farmers typically burn to prepare their fields for subsequent planting. A key question is to what extent the large quantity …Order of the Supreme Court of India regarding Comprehensive Action Plan for air pollution control, 26/03/2018
Order of the Supreme Court of India in the matter of M. C. Mehta Vs Union of India & Others dated 26/03/2018 regarding Comprehensive Action Plan for air pollution control and supplementary report on the comprehensive action plan with timelines. The Ministry of Petroleum and Natural Gas on behalf of …Odd–even traffic rule implementation during winter 2016 in Delhi did not reduce traffic emissions of VOCs, carbon dioxide, methane and carbon monoxide
We studied the impact of the odd–even traffic rule (implemented in Delhi during 1–15 January 2016) on primary traffic emissions using measurements of 13 volatile organic compounds, carbon monoxide, carbon dioxide and methane at a strategic arterial road in Delhi (28.57N, 77.11E, 220 m amsl). Whole air samples (n = …Delhi Pollution dipped this winter, but only just, reveals data
The improvement has been attributed to the action taken on the ground to control pollution. EPCA also decided to lift the very poor to severe air quality restriction under the Graded Response Action Plan for Delhi-NCR. Delhi saw lower pollution peaks this winter as compared to the last, despite the …Delhi & NCR Air Pollution Report card : 2017-18
Delhi and its surrounding region’s air quality is showing the first signs of improvement, but the air is not even close to being called clean yet – says an assessment report released by the Environment Pollution (Prevention and Control) Authority (EPCA). The report comes as the winter of 2017-18 draws …Volatile chemical products emerging as largest petrochemical source of urban organic emissions
A gap in emission inventories of urban volatile organic compound (VOC) sources, which contribute to regional ozone and aerosol burdens, has increased as transportation emissions in the United States and Europe have declined rapidly. A detailed mass balance demonstrates that the use of volatile chemical products (VCPs)—including pesticides, coatings, printing …Fog, fall in wind speed push pollution up, Gurugram’s air still poor
GURUGRAM: The concentration of PM2.5 rose by about 20% on Sunday over Saturday, as fog continued to engulf the city. While the highest level of PM2.5 on Sunday stood at 167.98 micrograms per cubic metre (g/m³), it was 127 g/m³ on Saturday, when it had shot up by 52% over …Airpocalypse II: assessment of air pollution in Indian cities
Airpocalypse-II, a Greenpeace India report , analyses PM10 annual average recorded for 280 cities which have 630 million, or 53% citizens of the country’s total population. A massive part of the population, 580 million (47%) of the population are living in areas where no air quality data is available. Out …GMC sets the ball rolling on air action plan for Guwahati
GUWAHATI: Increasing levels of air pollution have been ringing alarm bells for long and now the city civic body is poised to prepare a draft action plan to bring it under control with the help of an international organisation. Guwahati Municipal Corporation (GMC)-in partnership with Clean Air Asia (CAA)-that aims …NE's first clean air workshop to kick off in Guwahati from Tuesday
GUWAHATI: The city will from Tuesday host a two-day workshop for coming up with an action plan to improve air quality. "Guwahati is among the few cities selected across India and the first in the northeast to take up the air action plan initiative. It will allow a wider discussion …Air quality improves but remains ‘poor’
Gurgaon: Air pollution levels reduced nearly 39%on Wednesday as compared to that of Tuesday, with the highest levels of PM2.5 at 142.57 micrograms per cubic metre ('poor' category). The highest levels of PM2.5 recorded on Tuesday was 232 micrograms per cubic metre. The air pollution was in the 'very poor' …Air quality study by IIT must before expansion: GSPCB had told MoEF
PANJIM: Goa State Pollution Control Board (GSPCB) had opined to MoEF&CC; that the particulate source apportionment study of air quality in Vasco, through IIT Bombay was a must before considering the coal expansion project proposed by SWPL at MPT for environment clearance (EC). “We have already written to the Ministry …Effect of air quality alerts on human health: a regression discontinuity analysis in Toronto, Canada
Ambient air pollution is a major health risk globally. To reduce adverse health effects on days when air pollution is high, government agencies worldwide have implemented air quality alert programmes. Despite their widespread use, little is known about whether these programmes produce any observable public-health benefits. We assessed the effectiveness …Why the number of haze days in Shenzhen, China has reduced since 2005 : From a perspective of industrial structure
The impacts of the industrial structure on the atmospheric environment in Shenzhen are analyzed by utilizing climate, environmental and economic data over the past 35 years of Shenzhen, a rapid developing megacity in China.Order of the National Green Tribunal regarding air pollution in cities of Kerala, 04/12/2017
Order of the National Green Tribunal (Southern Zone, Chennai) in the matter of Lawyers Environmental Awareness Forum (LEAF) Vs State of Kerala & Others dated 04/12/2017 regarding air pollution in cities of Kerala. The Court observed that by order dated 05.08.2016, the Central Pollution Control Board (CPCB) was directed to …Order of the National Green Tribunal regarding air pollution in Muradabad City, Uttar Pradesh, 27/11/2017
Order of the National Green Tribunal in the matter of Nature’s Watch Reg. Society Vs. State of Uttar Pradesh & Others dated 27/11/2017 regarding air pollution in Muradabad City, Uttar Pradesh. Counsel appearing for the State of Uttar Pradesh and Uttar Pradesh Pollution Control Board submit that they will do …Ambient ozone pollution and daily mortality: A nationwide study in 272 Chinese cities
Few large multicity studies have been conducted in developing countries to address the acute health effects of atmospheric ozone pollution. The researchers explored the associations between ozone and daily cause-specific mortality in China. Original SourceChemists can help to solve the air-pollution health crisis
Poor air quality is one of the leading five health risks worldwide, along with high blood pressure, tobacco smoking, diabetes and being overweight. In 2015, it contributed to nearly 8% of all deaths worldwide. Long-term exposure to polluted air has been linked to respiratory infections, chronic obstructive pulmonary disease, stroke, …Order of the National Green Tribunal regarding air pollution in NCT Delhi, 14/11/2017
Order of the National Green Tribunal in the matter of Vardhaman Kaushik Vs. Union of India & Others dated 14/11/2017 regarding air pollution in NCT Delhi. Court directs that the express highway project of Eastern Peripheral Expressway would continue subject to Senior most officer of the NHAI filing an undertaking …