Air Quality Standards

Order of the National Green Tribunal regarding violation of environmental norms by a tyre pyrolysis plant, village Sakauti, Shamli, Uttar Pradesh, 28/05/2025

Order of the National Green Tribunal in the matter of Dr. Amit Kumar Vs State of Uttar Pradesh & Others dated 28/05/2025. The applicant has raised a grievance against setting up of a tyre pyrolysis plant by M/s Adideva Carbon LLP. According to the applicant, the tyre pyrolysis plant has …

Air quality index: a guide to air quality and your health

This booklet explains EPA's Air Quality Index (AQI) and the health effects of major air pollutants. EPA calculates the AQI for five major air pollutants regulated by the Clean Air Act: ground-level ozone, particle pollution (also known as particulate matter), carbon monoxide, sulfur dioxide, and nitrogen dioxide. For each of …

Initiative to reduce air pollution

The Office of the Prime Minister and Council of Ministers is set to launch an initiative to reduce air pollution at the Lumbini World Heritage Site. A high-level meeting held under Bhola Prasad Siwakoti, acting secretary of the OPMCM, has submitted a five-point strategy to tackle air pollution in the …

Beijing air pollution at dangerously high levels

Beijing's skyscrapers receded into a dense gray smog on Thursday as the capital saw the season's first wave of extremely dangerous pollution, with the concentration of toxic small particles registering more than two dozen times the level considered safe. The air took on an acrid odor, and many of the …

Uniform emission standards can clear the air by 2020: Study

An immediate, uniform implementation of Bharat Stage (BS) IV norms and of BS V norms by 2020 across the country can improve air quality and health of city dwellers, a recent The Energy and Resources Institute (Teri) study says. The study compares a business as usual (BAU) scenario with three …

Pollution shrouds Tibetan capital, grounding flights

BEIJING: China's pollution reached new heights on Friday, as the Tibetan capital of Lhasa was shrouded in a cloud of dust that halted flights and rendered one of its most-recognizable landmarks nearly invisible. Lhasa, which at 3,700 metres (12,000 feet) above sea level is one of the highest cities on …

Draft pollution law seeks to tackle lethal European air

BRUSSELS: EU policymakers on Wednesday unveiled a draft law to tackle air pollution, which every year is linked to 400,000 premature deaths in Europe and costs of tens of billions of euros. The proposals include new limits on emissions from power plants and industry, as well as measures to make …

China, Japan, South Korea to jointly combat air pollution

BEIJING: China, Japan and South Korea on Sunday agreed to jointly combat air pollution, a common challenge to East Asia, to boost sustainable development for greater ecological improvement. At the end of a two-day summit in Xianghe, a county about one hour's drive east of Beijing, representatives from the three …

U.S. air pollution authority faces Supreme Court tests

The U.S. government's authority to regulate air pollution nationwide, often against the wishes of Republican-leaning states, could face new curbs when the Supreme Court takes on two high-stakes cases in coming months. The cases focus on the broad-ranging power wielded by the Environmental Protection Agency (EPA) under the landmark Clean …

Beijing Air Worse Than Official Standard 62.5% of Last Quarter

Air quality in the Chinese cities of Beijing, Tianjin and the surrounding province of Hebei failed to meet government standards on 62.5 percent of days in the third quarter, the nation’s environmental ministry said. Seven of 10 Chinese cities with the worst air pollution during the three-month period ended in …

It's time to plant more trees to ensure less pollution

‘“Trees absorb pollutants, and when planted strategically, act like a protective curtain’ Navigating Madurai’s peak hour traffic is a daily nightmare. Apart from the vehicles, there are the dust and the fumes to contend with. All of which have put Madurai on the Central Pollution Control Board’s list of cities …

Filthy flows Yamuna despite the vows

Govt Fails To Save Riverine Ecosystem; Also Unable To Improve Air Quality, Contain Private Vehicle Surge If the Congress government’s performance were measured on the yardstick of urban ecology, it would fail miserably at least on one count—the Yamuna. Despite repeated promises of cleaning up, the river’s condition has been …

Guidelines for the measurement of ambient air pollutants

Under the provisions of the Air (Prevention & Control of Pollution) Act, 1981, the CPCB has notified fourth version of National Ambient Air Quality Standards (NAAQS) in 2009. This revised national standard aims to provide uniform air quality for all, irrespective of land use pattern, across the country. There are …

Poll-bound govt sends back air pollution agenda

The much awaited ‘Agenda for Air Pollution Control’, which seeks to meet the ambient air quality standards in Delhi by 2017, came up before the cabinet chaired by chief minister Sheila Dikshit on Monday but was sent back to the drawing board. While Dikshit has allegedly asked for a sharper …

Delhi govt's ambitious plan to cut air pollution on hold

Delhi government today deferred its decision on finalising an ambitious plan which include some "tough measures" to cut air pollution in the city, apparently because of the upcoming assembly polls. A meeting of the Delhi Cabinet, presided over by Chief Minister Sheila Dikshit, deliberated upon the proposal of the Environment …

China Air Pollution Triple WHO Recommended Levels in First Half

Air pollution in China’s largest cities, as measured by the concentration of fine particulates that pose the greatest health risk, was three-times worse in the first half of the year than levels advised by the World Health Organization. The average concentration of PM2.5 particulates in 74 cities monitored by China’s …

Air pollution kills over two million people each year

Human-caused outdoor air pollution may be responsible for over two million deaths worldwide - a large number of them in South Asia and East Asia - each year, US researchers have said. A study, published in the journal Environmental Research Letters, has estimated that around 470,000 people die each year …

State makes green health an indicator of its growth

Wiser from the disaster, the Uttarakhand government has decided to make ecological health an indicator of the state’s growth. In a statement released Friday, the government stressed the need to focus on Gross Environment Product as a critical indicator of the state’s growth and prosperity alongside GDP. “The state will …

Dust particles within permissible limits

But smoke billowing out from steel units is still a concern; Post-monsoon GSPCB to carry out more checks This might raise many an eyebrow amongst those hit by pollution in and around the Cuncolim Industrial estate. Ambient air quality checks carried out by the Goa State Pollution Control Board (GSPCB) …

As city sizzled, ozone reached alarming level

New Delhi: The prolonged heatwave in Delhi since May 18 not only saw extremely high temperatures ranging between 44 and 46 degrees but also led to the development of a dangerous pollutant that has become an annual feature in the capital lately. In the last week of May, levels of …

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