RSPM (PM 10)

Order of the National Green Tribunal regarding the deplorable condition of a water tank, Golconda Fort, Hyderabad, Telangana, 05/06/2025

Order of the National Green Tribunal in the matter of In Re: News Item Titled "Neglected Katora Houz in Hyderabad’s Golconda Fort Cries for attention appearing in ‘The Siasat Daily’ dated 25 May 2025". The application was registered suo-motu based on the news item titled “Neglected Katora Houz in Hyderabad’s …

Olympic athletes could be impaired by London pollution, experts warn

Olympic runners, cyclists, swimmers and even sailors arriving in London on Monday could be taken ill or see their performances impaired by air pollution, health experts have warned. According to Keith Prowse, respiratory consultant and medical adviser to the British Lung Foundation, a summer smog like any of the five …

Air pollution in Delhi

As India's capital, Delhi has grown across sectors - industry, transport, and housing - which contribute to an increase in air pollution. This, in turn, has increased health risks, which are refl ected in a rise in respiratory ailments. While the benefi ts of some interventions in the transport sector …

UK cities face ban on heavily polluting traffic

Twelve UK cities and urban areas may have to ban or fine heavily polluting traffic from their centres within months after the European commission refused to allow Britain more time to reduce dangerous exhaust emissions, according to air quality campaigners. Newcastle, Liverpool, Tyneside, Sheffield, Bristol, Brighton, Birkenhead, Preston, Swansea, Belfast, …

Increasing vehicles amplify pollution levels

LUCKNOW: The 8.68% rise in the number of vehicles during 2011-12 has taken its toll on city's ambient air quality. As a result, there is no let-up either in the air pollution or the noise pollution levels. The increase in the number of vehicles has also led to a rise …

Effectiveness of green infrastructure for improvement of air quality in urban street canyons

Street-level concentrations of nitrogen dioxide (NO2) and particulate matter (PM) exceed public health standards in many cities, causing increased mortality and morbidity. Concentrations can be reduced by controlling emissions, increasing dispersion, or increasing deposition rates, but little attention has been paid to the latter as a pollution control method. Both …

Health effects of black carbon

This report presents the results of a systematic review of evidence of the health effects of black carbon (BC). Short-term epidemiological studies provide sufficient evidence of an association of daily variations in BC concentrations with short-term changes in health (all-cause and cardiovascular mortality, and cardiopulmonary hospital admissions). Cohort studies provide …

Assessment of ambient air quality of Lucknow city during pre-monsoon, 2012

The study was carried out during the months of March-May, 2012 to see the status of air quality by monitoring and assessment of some selected air pollutants namely Respirable Particulate Matter (RSPM or PM10), Fine Particulates (PM2.5), Sulphur dioxide(SO2), Nitrogen dioxide (NO2), and Trace metals- Iron (Fe ), Nickel (Ni), …

Measuring the health benefits from reducing air pollution in Kathmandu Valley

The study estimates the health benefits to individuals from a reduction in current air pollution levels to a safe level in the Kathmandu metropolitan and Lalitpur sub-metropolitan areas of Kathmandu valley, Nepal. A dose response function and a medical expenditures function are estimated for the purpose of measuring the monetary …

Toxic metals in air: JNU study

Delhi's air is no doubt polluted and gains from CNG have been frittered away. But the air in some residential areas can be far more toxic than we imagine. A study by school of environmental sciences at JNU, published in last month's Atmospheric Pollution Research (APR) journal, has found the …

Delhi Metro Rail - Beyond mass transit

A decade has gone since the first line of metro started in Delhi in 2002. Despite its expansion across the city in the past 10 years neither pollution nor congestion levels have gone down as claimed by its advocates. An analysis of the revenue generated by the Delhi Metro Rail …

Effects of coarse particulate matter on emergency hospital admissions for respiratory diseases: A time-series analysis in Hong Kong

Many epidemiological studies have linked daily counts of hospital admissions to particulate matter (PM) with an aerodynamic diameter ≤ 10 μm (PM10) and ≤ 2.5 μm (PM2.5), but relatively few have investigated the relationship of hospital admissions with coarse PM (PMc; 2.5–10 μm aerodynamic diameter). The researchers conducted this study …

Status of ambient air quality at vicinity of municipal solid waste dumping site of Maihar municipality, District Satna, M.P.

The municipal solid waste (MSW) generated from different activities from various localities and a township in city areas is subject of deep concern for its proper management. The improper management of MSW is a major cause of air pollution. Present research deals with air quality parameter like SPM, RSPM, SO2 …

Categorization of different locations at Bhubaneswar on the basis of exceedence factor of the pollutants

The present study deals with the effect of urbanization and automobile emission on ambient air quality of Bhubaneswar city, Odisha. This paper examines the significant difference in seasonal variations of air pollutant concentrations in the city.

Asian air pollution

Air pollution has long been a problem in the industrial nations of the West. It has now become an increasing source of environmental degradation in the developing nations of east Asia. China in particular, because of its rapid push to industrialize, is experiencing dramatic levels of aerosol pollution over a …

China says most cities fail to meet new air standard

China said Friday that two-thirds of its cities currently fail to meet new air-quality standards introduced this week that are based on the pollutants most harmful to health. Under pressure from a worried Chinese public, the government this week issued revised air-quality targets based on the smallest particulates, which make …

China orders more accurate air-quality measure

China’s cabinet ordered on Wednesday new air-quality standards to measure the most dangerous form of particulate matter, following a public outcry over worsening air pollution. The State Council told 31 major regional capitals including Beijing and Shanghai to begin monitoring PM2.5 particulate, or fine particles measuring 2.5 microns in diameter, …

Multi-pollutant emissions inventory for the National Capital Region of Delhi

This paper present results of a bottom-up emissions inventory, an analysis of source-receptor relationships for PM10 and PM 2.5 for residential and industrial areas in Delhi NCR, and implications of sector based interventions on air pollution control policy. This paper present results of a bottom‐up emissions inventory, an analysis of …

Urban air pollution and co-benefits analysis for Indian cities

Accelerating growth in the transport sector, a booming construction industry, and a growing industrial sector are responsible for worsening air pollution in Indian cities. While estimates of health impacts are effective in raising overall concern about air quality, they do not specifically answer the question of what are the sources …

Vehicular emission unabated as pollution levels rise

Non-completion of the Western and Eastern Peripheral Expressway to divert traffic of heavy vehicles is costing the national Capital’s health dearly. According to a study, the city has the highest level of air pollutants called particulate matter less than 10 microns (PM10). To make matters worse, the PM10 levels have …

Green panel refuses nod to SAIL’s 3 ore mines in Jharkhand

In a blow to SAIL’s efforts for raw material security, a high level committee of the Union environment ministry has refused to accord green clearances for the steel major’s three key iron ore mines in West Singhbhum district of Jharkhand. The move could deprive the firm of over 80,000 million …

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