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 …

China Reduces Emissions in Search of Blue Skies

BEIJING – The Chinese government is seeking to improve its air quality by reducing emissions of major polluting gases, according to a report presented by the premier at the opening of the parliament’s annual session on Sunday. Emissions of sulfur dioxide and nitrogen oxide will be cut by 3 percent …

Nearly nine out of 10 of Londoners believe city is facing air pollution 'crisis'

YouGov poll reveals high levels of concern over air quality, as Mayor's Office confirms every borough has illegal levels of pollution. The level of public support for bolder policies to tackle air pollution was underlined yesterday with the publication of a new poll showing 88 per cent of Londoners think …

Stopping payments to polluters: clearing the air with fossil fuel subsidy reform in China and India

China and India, the world’s most populous countries, also match each other on the scale and severity of urban air pollution. Addressing this pollution requires that governments reorient policies away from fossil fuel combustion. This brief explores one such policy shift—reform of fossil fuel subsidies—and how this shift is being …

Poisons in the air

Why deny the reality that air pollution is killing millions in India, especially the poor? (Editorial)

European Commission issues 'final warning' over air pollution breaches

Germany, France, Spain, Italy and the UK all receive notification time is running out to bring air quality into line with EU standards . The threat of multi-million pound fines being levelled at the UK over its repeated breaches of EU air quality rules moved a step closer today, after …

State of Global Air 2017

Air pollution is the leading environmental cause of death worldwide according to the State of Global Air 2017, a new, first annual report and interactive website launched at www.stateofglobalair.org. The report also finds that 92% of the world’s population lives in areas with unhealthy air. All told, long-term exposure to …

Impact assessment of vehicle electrification on regional air quality in China and climate impact assessment of electric vehicles 2050

The development of electric vehicles (EVs, plug-in hybrid electric vehicles (PHEVs) and battery electric vehicles (BEVs)) could enhance fuel diversity and utilise renewable energy, which is considered a promising, long-term solution to reduce high dependence on fossil fuels and alleviate climate change impacts from a global perspective. In addition, EV …

Question raised in Lok Sabha on Air Quality, 07/02/2017

Question raised in Lok Sabha on Air Quality, 07/02/2017. Central Pollution Control Board monitors the ambient air quality at 680 monitoring stations located in 300 cities/towns covering 29 states and 6 union territories across the country under National Air Quality Monitoring Programme (NAMP). Under NAMP, three air pollutants viz., Sulphur …

Question raised in Rajya Sabha on Air pollution in metro cities, 06/02/2017

Question raised in Rajya Sabha on Air pollution in metro cities, 06/02/2017. Central Pollution Control Board (CPCB) and State Pollution Control Boards (SPCBs)/Pollution Control Committees (PCCs) monitors the ambient air quality at 680 monitoring stations located in 300 cities/towns covering 29 states and 6 union territories across the country under …

Question raised in Rajya Sabha on Air pollution due to cutting of trees, 06/02/2017

Question raised in Rajya Sabha on Air pollution due to cutting of trees, 06/02/2017. The major steps taken by Government to check and reduce air pollution in cities and metro cities, inter alia, include notification of National Ambient Air Quality Standards; formulation of environmental regulations / statutes; setting up of …

Question raised in Rajya Sabha on Air pollution in places other than mega cities, 06/02/2017

Question raised in Rajya Sabha on Air pollution in places other than mega cities, 06/02/2017. Major steps taken by Government to address the problem of air pollution in cities of the country, inter alia, include notification of National Ambient Air Quality Standards; formulation of environmental regulations / statutes; setting up …

Order of the Supreme Court of India regarding high sulphur content in pet coke and furnace oil causing air pollution, Delhi NCR, 17/01/2017

Order of the Supreme Court of India in the matter of M. C. Mehta Vs Union of India & Others dated 17/01/2017. One of the issues raised in the Order deals with high sulphur content in pet coke and furnace oil and their utilization in industries in the NCR thereby …

Airpocalypse: assessment of air pollution in Indian cities

Damning information obtained by Greenpeace India through online reports and Right to Information applications from State Pollution Control Boards across India, shows that none of the Indian cities comply with standards prescribed by the World Health Organisation (WHO) and very few cities in southern India comply to Central Pollution Control …

Modeling biogenic and anthropogenic secondary organic aerosol in China

A revised Community Multi-scale Air Quality (CMAQ) model with updated secondary organic aerosol (SOA) yields and a more detailed description of SOA formation from isoprene oxidation was applied to study the spatial and temporal distribution of SOA in China in the entire year of 2013. Predicted organic carbon (OC), elemental …

Impact of Diwali firework emissions on air quality of New Delhi, India during 2013-2015

Diwali is one of the major and most important festivals celebrated all over India which falls in the period late October to early November every year. It is associated with burning of firecrackers especially during the night of Diwali day that leads to degradation of air quality that lasts for …

Historical prediction modeling approach for estimating long-term concentrations of PM2.5 in cohort studies before the 1999 implementation of widespread monitoring

Recent cohort studies have used exposure prediction models to estimate the association between long-term residential concentrations of fine particulate matter (PM2.5) and health. Because these prediction models rely on PM2.5 monitoring data, predictions for times before extensive spatial monitoring present a challenge to understanding long-term exposure effects. The U.S. Environmental …

Transport emissions & social cost assessment: methodology guide

A Guide to the Methodology of Estimating Transport Emissions Inventories and the Associated Social Cost. The Transport Emissions & Social Cost Assessment is a project under the World Resources Institute’s Sustainable and Livable Cities Program, funded by the Caterpillar Foundation. The project aims to develop a methodology guide, with a …

Legal framework for clean air in cities: gaps and potential

India has set ambient air quality standards for several pollutants. According to the rules of the Central Pollution Control Board (CPCB), the annex monitoring agency, the national ambient air quality standards (NAAQS) should be met for at least 98 per cent of the days in a year. They may exceed …

Towards a clean air action plan: Lessons from Delhi

An analysis of the factors which led to Delhi experiencing one of its worst smog episodes in recent years in November of 2016 has been documented in this report. The report suggests source wise action status and a detailed plan of action for Delhi to combat the worsening air quality …

A clean air tool for cities

Indian cities need to follow well planned air quality management strategies to meet clean air targets.The Centre for Science and Environment developed a dynamic tool to assess the adequacy of air quality management strategies in Indian cities based on some simple but comprehensive set of indicators.The tool is intended to …

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