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 …

National ambient air quality status & trends – 2012

CPCB implements the National Ambient Air Quality Monitoring (NAMP) through a network comprising 544 operating ambient air quality stations covering 224 cities/towns in states and Union territories of the country in compliance with the mandate under the Air (Prevention and Control of Pollution) Act, 1981 to collect compile and disseminate …

National ambient air quality status & trends – 2011

CPCB implements the National Ambient Air Quality Monitoring (NAMP) through a network comprising 523 operating ambient air quality stations covering 215 cities/towns in states and Union territories of the country in compliance with the mandate under the Air (Prevention and Control of Pollution) Act, 1981 to collect compile and disseminate …

A report on ambient air quality & noise levels during Deepawali 2013

In order to assess the problem of rising air and noise pollution produced by firework during Deepawali festival, Central Pollution Control Board has conducted Ambient Noise and Air Quality Monitoring on Normal Day (October 29th, 2013) and Deepawali Day (November 03rd, 2013) at Delhi, Lucknow, Kolkata, Bangaluru, Bhopal, Shillong and …

Tree and forest effects on air quality and human health in the United States

Trees remove air pollution by the interception of particulate matter on plant surfaces and the absorption of gaseous pollutants through the leaf stomata. However, the magnitude and value of the effects of trees and forests on air quality and human health across the United States remains unknown. Computer simulations with …

NGT notice to Meghalaya Govt

New Delhi: The National Green Tribunal’s eastern zone bench has issued a notice to the Meghalaya government over a Comptroller and Auditor General (CAG) report on air, water and environmental pollution in the state. Gauhati High Court had in 2012 taken suo moto action on the CAG report which had …

UK admits that air quality targets will be missed by 20 years

The air quality in some of the UK's biggest cities is unlikely to meet EU standards before 2030, according to the government. Member states were supposed to meet targets on pollutants from diesel cars and trucks by 2010. The nitrogen dioxide (NO2) they produce is linked to a range of …

Pakistan’s urban air pollution off the charts: World Bank

ISLAMABAD: “Pakistan’s urban air pollution is among the most severe in the world and it engenders significant damage to human health and the economy,” according to a newly-released report titled ‘Cleaning Pakistan’s Air’. Released by the World Bank, the report calls upon the government to make urban air quality improvement …

Variation of black carbon concentration associated with rain events at a tropical urban location

Mass concentration of black carbon (BC) near the surface (within the planetary atmospheric boundary layer) was measured using a seven-channel aethalometer at Kolkata, a metropolitan city in the Indian tropical region, during the period from June 2012 to May 2013.

Delhi's satellite towns bearing the brunt of increase in air pollution?

Delhi's air pollution measures like introducing compressed natural gas, building the Metro and moving polluting industries outside city limits have been praised universally. But evidence has now emerged that, since these interventions, areas bordering the city have been experiencing very poor air quality. As polluting industries, built-up area and population …

Beijing will take 16 years to attain safe air quality

Beijing's fine-particulate pollutant intensity is expected to drop to the internationally recognised safe level in 16 years, environmental authorities said. Pan Tao, head of the Beijing Municipal Research Institute of Environmental Protection, said the concentration of 2.5 particulate matter with a diameter of 2.5 micrograms or less per cubic metre …

Cleaning Pakistan’s air: policy options to address the cost of outdoor air pollution

Air pollution in Pakistan’s urban centers is among the most severe in the world. Every year, it results in more than 20 thousand premature deaths among adults and in almost five million cases of illnesses among young children in Pakistan. In addition, urban air pollution affects the quality of life …

Characterizing Patna’s ambient air quality and assessing opportunities for policy intervention

According to the latest World Health Organisation estimates on "Ambient (outdoor) air pollution in cities database 2014", Patna is the second most polluted city in the world, in terms of PM2.5 emissions. Additionally given the rapid development in Bihar and especially in the Patna region, this study analyses the sources …

As Pune adds vehicles, its air gets worse

PUNE: The air quality status data for Pune for 2013-14, released by the Maharashtra Pollution Control Board (MPCB) recently, shows that several areas in the city have been recording pollution levels which are considerably above the permissible limits since 2005. The nine-year data in the report also said that in …

‘Improve fuel quality, implement emission norms to curb pollution’

To curb growing vehicular emissions and poor air quality in Indian cities, environmentalists have called for immediate implementation of vehicular emission norms and improvement of fuel quality. Participating in a workshop organised earlier this week by The Energy and Resources Institute (TERI) in collaboration with the International Council on Clean …

Cleaning Pakistan's air

The extent of urban air pollution in Pakistan—South Asia’s most urbanized country—is among the world’s most severe, significantly damaging human health, quality of life, and the economy and environment of Pakistan. The harm from Pakistan’s urban air pollution is among the highest in South Asia, exceeding several high-profile causes of …

Delhi heat wave is result of increased pollution in the capital city

"There is a link between rising pollution levels and hotter days," said Dr Gufran Beig, Program Director at System of Air Quality Weather Forecasting and Research (SAFAR). Temperature recorded at the Palam observatory on Sunday broke all records since the establishment of the centre in 1952. Mercury touched 47.8 degrees …

Ozone build-up a threat to Delhiites

Just a few hours of exposure to it can trigger serious health problems, especially among those who are already suffering from respiratory and asthmatic problems As the intense heat wave conditions continue unabated, Delhi has witnessed significant ozone build-up this summer. The Centre for Science and Environment (CSE) study based …

Data sheet on summer ozone in Delhi

Delhi has recorded significant ozone build-up this summer with ozone levels exceeding the permissible limit frequently. The Centre for Science and Environment has analysed the real time 8 hourly average data of ozone available from monitoring stations of the Delhi Pollution Control Committee located in R K Puram, Civil Lines, …

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