نتایج جستجو برای: air pollution episode

تعداد نتایج: 279356  

2017
Rajeshwari K. Rai

This research paper is an attempt towards analyzing real time air pollution data collected by PAQS sensor devices from some key locations in Bangalore. Air pollution in most of the metropolitan cities in India is turning out to be a major threat to our environment and hazardous to our health. Many infections and diseases related to lungs and throat are caused by the polluted air we breathe. The...

2012
K. Huang G. Zhuang Y. Lin J. S. Fu Q. Wang T. Liu R. Zhang Y. Jiang C. Deng Q. Fu N. C. Hsu

An intensive aerosol and gases campaign was performed at Shanghai in the Yangtze River Delta region over Eastern China from late March to early June 2009. This study provided a complementary picture of typical haze types and the formation mechanisms in megacities over China by using a synergy of ground-based monitoring, satellite and lidar observations. During the whole study period, several ex...

Journal: :iranian journal of environmental sciences 0
awkash kumar centre for environmental science and engineering, indian institute of technology, bombay, mumbai-400 076, india

air pollution is one of the major threats to environment in the present time. increase in degree of urbanization is a major cause of this air pollution. due to urbanization, vehicular activities are continuously increasing at a tremendous rate. mobile or vehicular pollution is predominantly degrading the air quality worldwide. thus, air quality management is necessary for dealing with this seve...

Journal: :IARC scientific publications 1993
Waseem A. Ashraf Safia Khanam Ayaz Ahmad

Environmental pollution is one of the serious crisis to which we are facing today. It is fact that three basic elements air, water and land which constitute harmony of nature for proper and balance living of all organisms, it was fortunate enough that such hospitable and balance environment was the destiny of our predecessors. But it is contrary to living of the present environment. With the ra...

2012
Sharad Gokhale

Exposure to air pollution in city centers is of major concern because of its health-risks to urban dwellers, trafficcorridor users and even to in-transit commuters. The steady growth in traffic is the major source of toxic air pollutants in urban centers these days. Therefore, studying exposure to air pollutants in urban centers is of special interests to environmental health scientists. This s...

Journal: :iranian journal of public health 0
fatima benaissa 1. dept. of ecology, bejaia university , bejaia, algeria. rezak alkama 2. electrical engineering laboratory, bejaia university , bejaia, algeria. isabella annesi-maesano 3. epar (epidemiology of allergic and respiratory diseases, inserm u 1136, institute pierre louis of epidemiology and public health , paris, france ; 4. epar, upmc sorbonne universités, umr-s 1136, institute pierre louis of epidemiology and public health , paris, france.

to assess the health impact of air pollution on bejaia population in the north of algeria, we carried out a descriptive epidemiologic inquiry near the medical establishments of three areas.from hospital admissions registers, we collected data on the hospital mortality and admissions relating to the various cardiorespiratory pathologies generated by this type of pollution. in parallel, data on t...

1998
I. G. MCKENDRY D. G. STEYN R. M. BANTA K. ANLAUF

Tethersonde, lidar, aircraft, and surface chemistry measurements from an intensive field campaign (Pacific ’93) in the Lower Fraser Valley (LFV) demonstrate the daytime advection of pollutants into a lake-filled valley adjoining a broad urbanized coastal valley. On three separate days (immediately before, during, and after a pollutant episode), elevated concentrations of ozone (O3) in the narro...

Journal: :The European respiratory journal. Supplement 2003
J J K Jaakkola

The case-crossover design was developed to study the effects of transient, short-term exposures on the risk of acute events, such as myocardial infarction, in the early 1990s. This paper illustrates how the principles of case-crossover design are related to the principles of crossover and case-control designs and stipulates the possibilities of case-crossover design in air pollution epidemiolog...

Journal: :journal of research in health sciences 0

background: measuring and monitoring of air pollutants are one of environmental and all' pollution controls tools. due to lack of widespread data in iran, this study was performed to estimate the trends of major pollutant emissions to atmosphere in the uk from 1980 to 1996. methods: this investigation is a retrospective study that the data were collected from the departments of environment, tra...

Journal: :Arteriosclerosis, thrombosis, and vascular biology 2015
Mark R Miller Nicholas L Mills David E Newby

stimates of the health effects of air pollution are alarming , with up to 7 million attributable deaths worldwide each year. Although the pulmonary effects of air pollution are widely recognized, it is only in the last few decades that the adverse cardiovascular effects of air pollution have become apparent. Exposures to diesel exhaust, a prominent source of urban air pollution and a pollutant ...

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