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 …

Premature mortality in India due to PM2.5 and ozone exposure

This bottom-up modeling study, supported by new population census 2011 data, simulates ozone (O3) and fine particulate matter (PM2.5) exposure on local to regional scales. It quantifies, present-day premature mortalities associated with the exposure to near-surface PM2.5 and O3 concentrations in India using a regional chemistry model. We estimate that …

On-board diagnostic (OBD) checks for inspection and maintenance in India

Poor air quality across Indian cities threatens the health of millions, and pollution levels have remained at dangerous levels throughout the last decade. To address the urban air quality crisis, officials have targeted motor vehicles, a major source of pollution in urban areas. Actions to-date have emphasized cleaner fuels and …

Diesel vehicle ban: Auto makers' apex body questions NGT's ban at Kerala high court

KOCHI: Auto makers' apex body Society of Indian Automobile Manufactures (SIAM) has approached the Kerala High Court seeking to lift the ban imposed by National Green Tribunal (NGT) on plying diesel vehicles over 10 years old and registration of new diesel vehicles over 2,000CC. The petition filed by Atanu Ganguli, …

A review of air pollution control in Beijing: 1998-2013

Since 1998, Beijing has prioritized air pollution control and moved aggressively to control emissions from all sources. The city’s efforts in this endeavour over the past 15 years is comprised of several elements — scientific research (emission inventories, monitoring and modelling), coordination (multiple pollutants, all sectors, and join efforts with …

Judgement of the National Green Tribunal regarding stoppage of commercial vehicles from entering the residential area of Sector 50, Noida, Uttar Pradesh, 24/05/2016

Judgement of the National Green Tribunal in the matter of Madhu Sharan & Others Vs Noida Authority & Others dated 24/05/2016 regarding stoppage of commercial vehicles from entering the residential area of Sector 50, Noida, Uttar Pradesh. The applicants are seeking exclusive use of the said lane by the local …

Order of the National Green Tribunal regarding regarding plying of diesel vehicles more than ten years old in Kerala, 23/05/2016

Order of the National Green Tribunal ((Southern Zone Bench, Circuit Bench at Kochi) in the matter of Lawyers Environmental Awareness Vs State of Kerala dated 23/05/2016 regarding plying of diesel vehicles more than ten years old in Kerala. NGT directs the State of Kerala not to register any diesel vehicle …

Ahmedabad traffic cops to log pollution data

Ahmedabad: Spare a thought for the traffic police personnel standing for hours in the sun, inhaling fumes, exposed to the dust and noise on Ahmedabad roads. In the first-of-its-kind study, a team of public health researchers from the Indian Institute of Public Health, Gandhinagar (IIPH) and Sri Ramachandra University (SRU) …

Nano-scale particulate matter from urban traffic rapidly induces oxidative stress and inflammation in olfactory epithelium with concomitant effects on brain

Rodent models for urban air pollution show consistent induction of inflammatory responses in major brain regions. However, the initial impact of air pollution particulate material on olfactory gateways has not been reported. The researchers evaluated the olfactory neuroepithelium (OE) and brain regional responses to a nano-sized subfraction of urban traffic …

Traffic cops to carry heat and pollution monitors

Ahmedabad: In a unique experiment, the Indian Institute of public health (IIPH) Gandhinagar will now measure the amount of heat as well as pollution levels our traffic police personnel standing at major crossroads in the city are exposed to each day. This is the first time that both parameters are …

Was air better or worse in 2015: Central, state bodies differ on pollution levels

Data released by the Central Pollution Control Board (CPCB) on Saturday showed air pollution levels in 2015 were higher than the two previous years at most its monitoring stations. On the contrary, figures released by the Delhi Pollution Control Committee (DPCC) showed a decline in PM 2.5 (fine, respirable pollution …

Cgarh govt makes action plan for pollution control in Raipur

With Raipur being listed as the seventh most polluted city in the world in a World Health Organisation report, the Chhattisgarh government has drafted an action plan to arrest rising pollution in the city over the next two years. "Government has chalked out a strong action plan which will help …

Report on Ambient Air Quality Data during ODD and EVEN Period, 15th to 30th April, 2016

The Government of National Capital Territory of Delhi had implemented oddeven scheme from 15th to 30th April, 2016. As per as Direction of Hon’ble NGT, ambient air quality of Delhi was monitored through a set of Continuous Ambient Air Quality Monitoring Systems (CAAQMS) and manual stations (NAMP) spread across different …

Air pollution levels rising in many of the world’s poorest cities

More than 80% of people living in urban areas that monitor air pollution are exposed to air quality levels that exceed WHO limits. While all regions of the world are affected, populations in low-income cities are the most impacted. According to the latest urban air quality database, 98% of cities …

Delhi no more the most polluted city in the world, says WHO report

Delhi is not the most polluted city in the world any more, according to the World Health Organisation's (WHO) urban air quality database released on Thursday. In fact, it now ranks 11th among 3,000 cities in 103 countries in terms of PM 2.5 (fine, particulate pollution) and 25th in terms …

Question raised in Rajya Sabha on Least visible pollutant particle in air in major cities , 09/05/2016

Question raised in Rajya Sabha on Least visible pollutant particle in air in major cities , 09/05/2016. The total Suspended Particulate Matter (SPM) in ambient air is comprised of PM10 (particulate matter less than 10 micron), PM2.5 (particulate matter less than 2.5 micron) and PM1. The least visible particulate matter …

Question raised in Rajya Sabha on Monitoring of air quality in Delhi, 09/05/2016

Question raised in Rajya Sabha on Monitoring of air quality in Delhi, 09/05/2016. The ambient air quality is being regularly monitored with manual and continuous air quality monitoring systems in National Capital Region (NCR) including Delhi by the Central Pollution Control Board (CPCB) in association with State Pollution Control Boards …

Question raised in Lok Sabha on Monitoring of Air Pollution, 03/05/2016

Question raised in Lok Sabha on Monitoring of Air Pollution, 03/05/2016. Central Pollution Control Board (CPCB) is monitoring the ambient air quality in the country including metropolitan cities in association with State Pollution Control Boards (SPCBs) / Pollution Control Committee (PCCs) of UTs, National Environmental Engineering Research Institute (NEERI) under …

National Air Quality Index Status of Indian Cities in 2015-16

Air Quality Index (AQI) is one such tool for effective dissemination of air quality information to people.As a part of this, Union Environment Ministry proposed to extend the measurement of air quality on real time basis in 22 state capitals and 44 other cities with a population of more than …

Cancer mortality risks from long-term exposure to ambient fine particle

Few studies have assessed long-term effects of particulate matter (PM) with aerodynamic diameter < 2.5 μm (PM2.5) on mortality for causes of cancer other than the lung; we assessed the effects on multiple causes. In Hong Kong, most people live and work in urban or suburban areas with high-rise buildings. …

Question raised in Lok Sabha on Pollution in Two-Tier Cities, 26/04/2016

Question raised in Lok Sabha on Pollution in Two-Tier Cities, 26/04/2016. The Central Pollution Control Board (CPCB) is monitoring ambient air quality in 74 Tier-II cities. The ambient air quality data for the period 2015 pertaining to two-tier cities in the country given at Annexure. Analysis of data shows that …

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