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 …

Question raised in Rajya Sabha on Air pollution in Delhi, 14/03/2016

Question raised in Rajya Sabha on Air pollution in Delhi, 14/03/2016. The National Green Tribunal (NGT) has taken note of the deteriorating Air Quality in Delhi in Original Application No. 21 of 2014 in the matter of “Vardhaman Kaushik versus Union of India and Others” and has issued directions to …

Weather conditions and air pollution - Impact of odd-even policy in Delhi

To understand the impact of the odd-even policy in Delhi researchers will need to take into account prevailing weather conditions of not just Delhi, but also its outskirts and neighbouring states.

Question raised in Lok Sabha on Study on Air Pollution, 01/03/2016

Question raised in Lok Sabha on Study on Air Pollution, 01/03/2016. The study conducted by Indian Institute of Science (IISc), Bangalore namely “GHG Footprint of Major Cities in India”, accounted the amount of three important greenhouses gases namely carbon dioxide (CO2), methane(CH4) and nitrous oxide (N2O) for seven major Indian …

Environmental risks of diesel passenger vehicles in Brazil

This analysis examines the environmental risks of the commercialization of diesel passenger cars in Brazil, including a potential increase in NOX and PM2.5 emissions, both of which contribute to poor air quality and negatively impact human health, as well as greenhouse gases and other species that contribute to climate change. …

Question raised in Lok Sabha on Degraded Air/Water Quality, 01/03/2016

Question raised in Lok Sabha on Degraded Air/Water Quality, 01/03/2016. Central Pollution Control Board (CPCB) in association with State Pollution Control Boards (SPCBs) / Pollution Control Committees (PCCs) is monitoring air and water bodies across the country under National Air Quality Monitoring Programme (NAMP) and National Water Quality Monitoring Programme …

China Air 2015: air pollution prevention and control progress in Chinese cities

As the first in the series of "China Air - Air Pollution Prevention and Control Progress in Chinese Cities" reports, this report provides air quality data for 74 major cities from 2013-2014, as well as the pollution-control policies of those cities, the three key regions - Beijing-Tianjin-Hebei Province (BTH), the …

Clean air action plan: the way forward

For the first time this century, the average particulate matter exposure was higher for Indian citizens than that of Chinese people, a Greenpeace analysis of NASA satellite data on particulate matter has shown. China’s strong measures to curb pollution have contributed to the biggest year-on-year air quality improvement on record; …

New Delhi car ban yields trove of pollution data

New Delhi may be the world’s most polluted city, but it’s making an effort to relinquish that title. With pollution from particulate matter at potentially lethal levels early last December, city officials took a drastic step: they announced that they would temporarily restrict the use of private vehicles by allowing …

Something in the air tonight

Since the 1940s, southern California has had a reputation for smog. Things are not as bad as once they were but, according to the American Lung Association, a health group, Los Angeles is still the worst city in the United States for levels of ozone, nitrogen oxides, hydrocarbons and carbon …

Particulate matter exposure and cardiopulmonary differences in the multi-ethnic study of atherosclerosis

Particulate matter (PM) exposure may directly affect the pulmonary vasculature. While the pulmonary vasculature is not easily measurable, differential associations for right ventricular (RV) and left ventricular (LV) mass may provide an indirect assessment of pulmonary vascular damage. Original Source

No Shanghai in sight, just Beijing smog

Today if you dare to walk down Ahmedabad's busy IIM-Keshavbaugh or Mani nagar road stretches during peak hours you will be exposed to a level of pollution that is almost 10 to 12 times more toxic than what is acceptable under the current central pollution control board standards. What is …

Ambient air quality and noise levels: Deepawali festival monitoring report 2015

Noise and air pollution are hazards to the ambient environment and a cause of concern due to bursting of fire crackers during Deepawali. It is, therefore, necessary to conduct ambient noise and air quality monitoring during this festival to understand the level of pollution and correlate with the effectiveness of …

Assessment of impact of Odd-Even Scheme on air quality of Delhi

The Government of NCT of Delhi had implemented odd-even scheme from 1st to 15th January, 2016 with the objective of reducing air pollution in Delhi. The odd-even scheme applied to four wheeler Passenger/Private Cars. The public transport buses, two wheelers, trucks, CNG operated passenger/private cars, three wheeler were exempted from …

Delhi has lost the air quality gains of odd and even scheme. Delayed winter will make pollution worse if quicker steps are not taken to …

CSE has analysed air quality data from real-time monitoring of Delhi Pollution Control Board for the entire winter – November 2015 to January 2016 – to assess the benefits of the odd and even scheme and the loss of air quality gains after the completion of the scheme. It has …

Delhi experiment may not cut pollution: Indian American expert

It will help reduce traffic congestions, but will not impact concentration of fine particles in the air, says Ramesh Singh, professor, Chapman University, California The odd-even restrictions for cars being experimented with in New Delhi will not work to improve the national capital’s air quality due to its geographical location …

Order of the National Green Tribunal regarding rising air pollution, 06/01/2015

Order of the National Green Tribunal in the matter of Vardhaman Kaushik Vs. Union of India & Ors. dated 06/01/2016 regarding diseases as a result of pollution majorly generated by air pollution. Gujarat, Bihar, Punjab, Uttar Pradesh, Telangana, Odisha, Chhatisgarh, Maharashtra, Karnataka and Jharkhand would file a comprehensive affidavit stating …

National Air Quality Index for 85 cities at 168 locations, October 2015

Of the total 85 cities covered for calculation of AQI during October 2015, 48 cities revealed good air quality, 62 cities revealed satisfactory air quality, 33 cities revealed moderate air quality, 8 cities indicate poor air quality, 3 cities (Delhi, Devangere, Karnataka and Lucknow, Uttar Pradesh) cities showed very poor …

Comprehensive study on air pollution and Green House Gases (GHGs) in Delhi

The IIT Kanpur study makes it clear the entire NCR contributes to Delhi's alarming air pollution levels and even with all control measures implemented this year on, Delhi will not achieve the desired PM levels by 2023 but can halve the hazardous PM levels. The report categorically states that almost …

Reforming the liability regime for air pollution in India

The recent uproar about the toxic levels of pollution in the country’s national capital region has once again brought to fore the failure of the regulatory and legal mechanisms in India to control air pollution. Despite an early legislative acknowledgment of the issues relating to air pollution, and regulatory mechanisms …

Mumbai records poorer air than Delhi

Mumbai has on Monday recorded a poorer quality of air than Delhi. The city recorded ‘poor’ air quality while a few of the city’s pockets recorded ‘very poor’ level. Andheri recorded 326 µg/m3 level of particulate matters in size 2.5 (PM 2.5) which is most dangerous for people with respiratory …

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