نتایج جستجو برای: air quality

تعداد نتایج: 935018  

ژورنال: سلامت و محیط زیست 2017

Background and Objective: Optimum number of air quality monitoring stations in Mashhad is an essential task for management of the urban environment. However, real monitoring and accurate information on the status of air quality require proper spatial distribution of air quality monitoring stations in the city of Mashhad. The aim of the present study was to determine optimum site locations for a...

Journal: Pollution 2016

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: Pollution 2016

A four year long research programme divided into four phases has been designed for the first time to assess the combined Noise-Air quality and combined exposure to Noise-Air pollution at the curbside open-air microenvironment of Kolkata city, India. The results and the findings of the different phases of study had already been published. The objective of the review work is to fuse the findings ...

Journal: :environmental health engineering and management 0
saeed motesaddi department of environmental health engineering, school of public health, shahid beheshti university of medical sciences, tehran, iran parviz nowrouz environmental health engineering, department of environmental health engineering, school of public health, sulfur dioxide aqi modeling by artificial neural network in tehran between 2007 and 2013 saeed motesaddi 1 , parviz nowrouz 2* , behrouz alizadeh 3 , fariba khalili 4 , reza nemati 2 1 associate professor, department of environmental health engineering, school of public health, shahid beheshti university of medical sciences, tehran, iran 2 shahid beheshti university of medical sciences, tehran, iran behrouz alizadeh department of medical informatics, school of allied medical sciences, shahid beheshti university ph.d student of environmental health engineering, department of environmental health engineering, school of public health, sulfur dioxide aqi modeling by artificial neural network in tehran between 2007 and 2013 saeed motesaddi 1 , parviz nowrouz 2* , behrouz alizadeh 3 , fariba khalili 4 , reza nemati 2 1 associate professor, department of environmental health engineering, school of public health, shahid beheshti university of medical sciences, tehran, iran 2 shahid beheshti university of medical sciences, tehran, iran 3 of medical sciences, tehran, iran fariba khalili department of environmental health engineering, school of public health, shahid beheshti university of medical sciences, tehran, iran reza nemati department of environmental health engineering, school of public health, shahid beheshti university of medical sciences, tehran, iran

background: air pollution and concerns about health impacts have been raised in metropolitan cities like tehran. trend and prediction of air pollutants can show the effectiveness of strategies for the management and control of air pollution. artificial neural network (ann) technique is widely used as a reliable method for modeling of air pollutants in urban areas. therefore, the aim of current ...

Journal: :international journal of environmental research 2010
s.y. kim y.s. kim y.s. han j.w. koo

bake-out was executed against the newly constructed apartment buildings using two methods to find out the effect of improvement on the indoor air quality and identify the concentration changes in the indoor air by the bake-out method for 3 months after occupancy. from two methods of bake-out executed before occupying, we did not find any reduction effect on the hazardous substances in the indoo...

A four year long research programme divided into four phases has been designed for the first time to assess the combined Noise-Air quality and combined exposure to Noise-Air pollution at the curbside open-air microenvironment of Kolkata city, India. The results and the findings of the different phases of study had already been published. The objective of the review work is to fuse the findings ...

2015
Joon Young Ahn

Steering Committee at NIER: You Deok Hong (Air Quality Research Division) Joon Young Ahn (Air Quality Research Division) Chang-Keun Song (Air Quality Forecasting Center) Lim-Seok Chang (Air Quality Forecasting Center) Jeong-Hoo Park (Air Quality Forecasting Center) Sang-Kyun Kim (Global Environment Research Division) Jaehyun Lim (Global Environment Research Division) Ji Young Kim (Air Pollution...

جنیدی جعفری, احمد , گل باز, سمیه ,

  Background: Air pollution is one of the most important problems in industrial cities and has affect on the lives of all people. In order to set the control programs, air pollution monitoring and determination of air quality are necessary. The aim of this study was to compare health quality of air in Tehran and Isfahan cities.   Methods: This was a descriptive–analytic study . The moment conce...

2013
Hong Kong

We welcome the Subcommittee’s review of “Air Pollution Modelling in Hong Kong”. Hong Kong’s air quality is a topic of great public concern. The lack of progress in improving air quality has led many to question the effectiveness of our air quality management system. Most people understand that air quality modelling is important for our air quality management system because of its role in air qu...

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