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 …

Report on ambient air quality monitoring in Delhi

The major objectives of this study are: assessment of air pollution concentrations at different locations with varying number of anthropogenic sources of pollution; to study the temporal and diurnal variation in pollutants concentration along with traffic activities; to assess the status of air pollution to adjudge the effectiveness of air …

Source apportionment of particulate matter for air quality management

Building an effective air quality management system (AQMS) requires a process of continual improvement, and the source apportionment techniques described in this report can contribute in a cost effective manner to improving existing systems or even as the first step to begin an AQMS. This report arises from a concern …

Fine particles (PM2.5) in residential areas of Lucknow city and factors influencing the concentration

Urban populations are exposed to a high level of fine and ultrafine particles from motor vehicle emissions which affect human health. To assess the hourly variation of fine particle (PM2.5) concentration and the influence of temperature and relative humidity (RH) on the ambient air of Lucknow city, monitoring of PM2.5 …

The clean development mechanism and urban air pollution: a handbook for policymakers

This handbook is based on the results an EU Asia Pro Eco co-funded project "CURB-AIR: CDM and urban air pollution: partnerships enhancing synergies in urban air and health in Kyoto mechanisms'. The CURB-AIR project intends to pave the way for projects that both improve air quality and reduce greenhouse gases …

Grain warehouse workers prone to respiratory diseases

workers in warehouses are regularly exposed to respiratory diseases and allergies. Usually, grain warehouses have high concentrations of airborne grain dust which contains very harmful pesticides, bacteria, spores, storage mites and pollens. Fungal spores and other contaminants in the air can lead to serious pulmonary problems. These symptoms have been …

Cheap thrill

a sudden spurt in public discussion in Delhi over worsening air quality over the last few years has brought into focus a few interesting points about controlling urban air pollution. This is not to lament over the capital's foul air, because Delhi's air quality still remains much better than that …

Impact of urban particulate pollution load on accumulation of heavy metals in Triticum aestivum L. Plants

Air quality deterioration, especially in urban areas of developing countries, is one of the most alerting problems of modern civilization. Present investigation shows the impact of atmospheric deposition on accumulation and translocation of heavy metals in different parts of wheat plants. Results depicted that metal accumulation was higher at sites …

Beijing experiments with a cars` day off

cars were off Beijing's streets from August 17-20. The city officials decided to experiment in a drive to check pollution and ease the city's traffic. Traffic congestion and brown haze have been perpetual causes of anxiety for officials, ever since Beijing won the Olympics bid in 2001. The president of …

Air & water quality report in post WTC debated

A former senior environmental agency official strongly denied allegations that the Environmental Protection Agency (epa) had given false information about the air and water quality near the World Trade Center (wtc) after 9/11. Christie Todd Whitman, epa administrator in 2001, was speaking at a hearing of the us congressional panel. …

In court

Settlement with Naveda: The US Department of Justice and the Environmental Protection Agency has announced a US $60.7 million Clean Air Act settlement with a Las Vegas-based company Nevada Power. As per the settlement, the company will improve air quality at its Clark power generating station by reducing air pollutants …

Urban ambient air quality in Chennai city based on exceedence factor criteria during 1999-2003

Five years air monitoring study was carried out to assess the primary air pollutants present in the ambient air in Chennai city during 1999-2003 at two different sampling stations.

Exposure to vehicular pollution and assessment of respiratory function in urban inhabitants

Particulate matter less than PM10 and aromatic chemicals formed during incomplete combustion of organic matter are major environmental pollutants because of their toxic potential. The present study reports on the respiratory morbidity pattern of people exposed to auto exhaust as a result of the traffic load consisting of three varieties …

China to observe `no car day`; parking fee to be hiked

chinese cities will join the growing band of urban centres around the world to observe

Traffic fumes cause permanent lung dysfunction

traffic fumes decrease lung function among children and make the organs vulnerable to irreversible long-term damage, a new study has found. The study published in The Lancet (Vol 369) links local traffic fumes to lung development deficits. Researchers from the Keck School of Medicine at the University of Southern California …

Dangers of using biofuel for cooking

using bio-fuel for cooking could lead to cardiovascular diseases and cancer, says a research team from Chittaranjan National Cancer Institute, Kolkata. The team found that biomass smoke causes the activation of neutrophils and monocytes (white blood cells) and platelets. Platelets are blood cells that help in blood coagulation. These clump …

Waste dumpsites choke Chennai

a recent report on the ambient air quality around Chennai's Kodungaiyar waste dumpsite has sent out a strong health warning to over 100,000 residents living in its vicinity. Everyday, the Corporation of Chennai dumps around 3,200 tonnes of waste either at Kodungaiyar or the nearby Perungudi dumpyard. Released by a …

Ambient benzene rises in Delhi, Mumbai

despite petrol's benzene content being lowered from 3 per cent to 1 per cent in 2000-2001, there has been no significant effect on the current ambient levels of this carcinogenic chemical. Benzene levels in air continue to be high according to two recent studies: Central Pollution Control Board's (cpcb's) Highlights …

SNIPPETS

• China has successfully launched its second geostationary orbit meteorological satellite, Fengyun-2D (FY-2D), to provide better weather forecasting services for the Beijing 2008 Olympic Games. The satellite will monitor weather changes at the games venues to help weather forecasts during the games. • More than 1,000 mallard ducks recently died …

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