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 …

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.

Question raised in Lok Sabha on Air Quality, 15/12/2017

Question raised in Lok Sabha on Air Quality, 15/12/2017. Central Pollution Control Board is monitoring ambient air quality in 691 locations covering 303 cities/towns in 29 States and 6 Union Territories across the country under National Air Quality Monitoring Programme (NAMP). Out of 303 cities, PM2.5 is being monitored in …

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 Source

Chemists 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 …

Order of the National Green Tribunal regarding the deteriorating air quality of Delhi NCR, 09/11/2017

Order of the National Green Tribunal in the matter of Vardhaman Kaushik Vs. Union of India & Others dated 09/11/2017 regarding the deteriorating air quality of Delhi NCR. National Green Tribunal in the Order said that the Judgement of the NGT dated 10th November, 2016 had "clearly postulated the steps …

Order of the National Green Tribunal regarding the deteriorating ambient air quality index in Delhi NCR, 08/11/2017

Order of the National Green Tribunal in the matter of Vikrant Kumar Tongad Vs. Environment Pollution (Prevention Control) Authority & Others dated 08/11/2017 regarding the deteriorating ambient air quality index in Delhi NCR. The directions passed by the Court include the following: 1. National Green Tribunal directs Central Pollution Control …

Assessment of ambient air quality of Lucknow city during post-monsoon, 2017

This study was carried out during the month of September-October, 2017 (Diwali period not considered) to investigate the status of air quality by monitoring and assessment of some selected air pollutants namely Respirable Particulate Matter (RSPM or PM10), Fine Particulate Matter (PM2.5), Sulphur dioxide (SO2), Nitrogen dioxide (NO2) and noise …

Data integration model for air quality: a hierarchical approach to the global estimation of exposures to ambient air pollution

Air pollution is a major risk factor for global health, with 3 million deaths annually being attributed to fine particulate matter ambient pollution (PM2.5). The primary source of information for estimating population exposures to air pollution has been measurements from ground monitoring networks but, although coverage is increasing, regions remain …

Assessment of urban transport systems

This study report presents the process of development a tool for assessment and evaluation of sustainable urban transport systems in cities in the Asia-Pacific region. The report explains and illustrates how the Sustainable Urban Transport Index (SUTI) was developed. It outlines the development of a conceptual framework based on existing …

Report on monitoring of ambient air quality & noise levels at Bhopal during Diwali Festival 2017

Regional Directorate (Central), Central Pollution Control Board, Bhopal has Conducted Ambient Air & Noise level monitoring in Bhopal city during celebration of Diwali festival in the year 2017 (pre-Diwali on 12.10.2017, on Diwali on 19.10.2017 & post Diwali on 22.10.2017) to record the impact of bursting of crackers on environment. …

Status and action to be taken Status and action to be taken under Graded Response Action Plan in Delhi NCR: EPCA Press Conference

As the festival of Diwali and winter season draw near, Delhi-NCR is gearing up to meet the severe air quality challenge that it faces every year around this time. A Graded Response Action Plan (GRAP) has been notified and is already in place – and October 17, 2017 is the …

Status and action to be taken Status and action to be taken under Graded Response Action Plan in Delhi NCR: EPCA Press Conference

As the festival of Diwali and winter season draw near, Delhi-NCR is gearing up to meet the severe air quality challenge that it faces every year around this time. A Graded Response Action Plan (GRAP) has been notified and is already in place – and October 17, 2017 is the …

Air Pollution and Human Health in Kolkata, India: A Case Study

Urban air quality in most megacities has been found to be critical and Kolkata Metropolitan City is no exception to this. An analysis of ambient air quality in Kolkata was done by applying the Exceedance Factor (EF) method, where the presence of listed pollutants’ (RPM, SPM, NO2, and SO2) annual …

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