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 …

Associations between coarse particulate matter air pollution and cause-specific mortality: A nationwide analysis in 272 Chinese cities

Coarse particulate matter with aerodynamic diameter between 2.5 and 10μm (PM2.5–10) air pollution is a severe environmental problem in developing countries, but its challenges to public health were rarely evaluated. The researchers aimed to investigate the associations between day-to-day changes in PM2.5–10 and cause-specific mortality in China. Original Source

Airpocalypse III: assessment of air pollution in Indian cities and National Clean Air Programme (NCAP)

Over 130 highly polluted cities violating the national air quality standards have been left out of the recently launched National Clean Air Programme (NCAP), a new study has revealed. A Greenpeace India report, which identified 139 cities where air pollution level exceeds national standards, said the NCAP is based on …

Britain pledges legislation in 2019 to combat deadly air pollution

Britain on Monday pledged to fight air pollution and introduce new legislation this year on air quality to save lives and billions of pounds for the economy. The government said Britain would become the first major economy to adopt air quality goals based on World Health Organization recommendations regarding people’s …

Perception study on air quality

Almost 80% of Indians polled across 17 cities believe that air pollution affects their quality of life, and 32% reported an effect on lifestyles, according to a new study. While 93% believe that air pollution has a negative impact on health, 80% feel sick when the air quality in their …

Report on special monitoring of ambient air quality & noise levels at Bhopal during Diwali Festival 2018

With reference to CPCB Head Office letter no A-21016/1/08-Mon/11351 dated 05.10.2018 & 25.10.2018, Regional Directorate (Central), Central Pollution Control Board, Bhopal has Conducted Ambient Air Quality monitoring in Bhopal city during celebration of Diwali festival in the year 2018 from 31.10.2018 to 14.11.2018 for the perameters of PM10, PM2.5, SO2, …

Delhi's air quality remains 'very poor' due to unfavourable meteorological conditions

Unfavourable meteorological conditions that slowed down dispersion of pollutants kept Delhi's air quality in the 'very poor' category for the third consecutive day on Wednesday as a thick haze engulfed the city, authorities said. The Central Pollution Control Board (CPCB) has come out with a list of nearly six lakh …

Order of the National Green Tribunal regarding air quality of Kolkata city, West Bengal, 27/11/2018

Order of the National Green Tribunal in the matter of Subhas Datta Vs State of West Bengal & Others dated 27/11/2018 regarding the alarming adverse air quality of Kolkata City which was stated to be highly polluted during the period commencing from mid-October to February end. The principal reason for …

China's steelmaking Hebei province issues smog alert from November 22

China’s top steelmaking province Hebei issued second-level smog alerts to its 10 cities, effective from Nov. 22, state-owned China Nation Radio (CNR) reported on Wednesday. The alert came as the provincial environmental bureau expects a wave of air pollution from Nov. 24 to 27. Heavy industry in the province will …

Introducing the Air Quality Life Index: twelve facts about particulate air pollution, human health, and global policy

Indians would have lived 4.3 years longer if the 2016 air quality met the World Health Organisation’s (WHO) annual safe air quality guideline of 10 micrograms per cubic metre, according to this new report Fine PM concentration increased by 69% in India in 20 years. If air pollution levels in …

Breakthroughs: China’s path to clean air 2013-2017

Clean Air Asia’s “Breakthroughs – China’s Path to Clean Air 2013-2017” report found that China’s air pollution control policies had achieved large-scale air quality improvements in more than 300 Chinese cities in the past five years while its economy continued to steadily grow.

Ban on trucks’ entry into city lifted

The ban on the entry of heavy vehicles into the national capital was lifted on Tuesday, four days after it was imposed due to alarming pollution levels, even as a thick haze engulfed the city with the air quality remaining in the “severe” category with the authorities saying that rains …

Judgement of the Supreme Court of India regarding use of firecrackers leading to air pollution in Delhi NCR, 23/10/2018

The Supreme Court ruled out imposing a complete ban on the sale of firecrackers during Diwali but put certain conditions in place for the sale and use of firecrackers. Judgement of the Supreme Court of India in the matter of Arjun Gopal & Others Vs Union of India & Others …

Improving Europe's air quality measures — reported by countries

Under the European Union’s (EU) Air Quality Directive, Member States have to implement and report on the measures they put in place in areas where air quality limit and target values are exceeded. This briefing provides an overview of the different types of abatement measures reported. It focuses mainly on …

The traffic emission-dispersion model for a Central-European city agrees with measured black carbon apportioned to traffic

The bottom-up traffic emission model EMISENS is used to calculate hourly black carbon (BC) and nitrogen oxides (NOx) emission rates on an average workday in Maribor (Slovenia), using emission factors that were previously determined with the on-road chasing measurements in Slovenia. From modeled NOx emission rates and in-situ NOx measurements …

CEO communique on air quality: meeting India’s national air quality standards

Shakti in partnership with WRI India has convened a high-level platform for CEOs and business leaders with the goal of fostering Industry leadership on air quality issues. The platform acts as a forum to deliberate on the role of Indian Industry in supporting ambient air quality improvements, technology advancements, financing …

Living, Moving, Breathing: ranking of European cities in sustainable transport

Replacing high volumes of cars with high volumes of cyclists and pedestrians makes roads safer and the air cleaner, finds a Greenpeace Germany report ranking 13 European cities on sustainable transport, mobility and air quality. Safe roads and clean air go hand-in-hand. This study shows that when you improve a …

WHO Global Urban Ambient Air Pollution Database (update 2018)

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

Gurugram's air quality drops, blame on wind direction

GURUGRAM: The air quality in the city deteriorated as the PM2.5 level increased three times on Thursday as compared to Wednesday. Track the pollution level in your city The highest level of PM2.5 was recorded at 209 micrograms per cubic metre on Thursday as compared to 70 on Wednesday. Meanwhile, …

Turning crop residue into useful products not air pollution

Project will be on display at IIT-Delhi’s Open House To come up with a solution to deal with air pollution in the Capital during the winter due to stubble burning, Kriya Labs, a start-up incubated at the Indian Institute of Technology-Delhi has come up with a method to convert agro-waste …

Short-term elevation of fine particulate matter air pollution and acute lower respiratory infection

Nearly 60% of U.S. children live in counties with PM2.5 concentrations above air quality standards. Understanding the relationship between ambient air pollution exposure and health outcomes informs actions to reduce exposure and disease risk.

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