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Air quality assessment and its relation to potential health impacts in Delhi, India

机译:空气质量评估及其与印度德里潜在健康影响的关系

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The main objective of the air quality index (AQI) system is to interpret air quality in a standardized indicator to enable the public to understand the likely health and environmental impacts of air pollutant concentration levels monitored on any given day. The daily averaged concentration data of air pollutants of monitoring sites under the National Ambient Air Quality Monitoring Programme of Delhi were analysed for the period 2001-2010 using the AQI system. This study was undertaken to (i) evaluate the trends of air quality for the past 10 years, (ii) ascertain the association of air quality with mortality and respiratory morbidity rate of Delhi, and (iii) examine the seasonal variation of air quality. The air quality status was found to be varying from 'moderate' to 'unhealthy for sensitive group' category from the health impact point of view. Non-trauma mortality (r = 0.877, P < 0.01) as well as respiratory morbidity were found to be significantly correlated with AQI values. The present study increases public awareness of the health implications of air pollution and helps assess pollution trends in a more meaningful way.
机译:空气质量指数(AQI)系统的主要目的是在标准化指标中解释空气质量,使公众能够了解在任何给定日监测的空气污染物浓度水平的可能健康和环境影响。利用AQI系统,分析了德里国家环境空气质量监测计划下的监测网站的日常平均浓度数据。本研究进行了(i)评估过去10年的空气质量趋势,(ii)确定空气质量与德里死亡率和呼吸病发率的关联,(iii)审查空气质量的季节性变化。从健康影响的角度来看,发现空气质量状况从“中度”到“敏感群体”类别不同。发现非创伤死亡率(R = 0.877,P <0.01)以及呼吸病率与AQI值显着相关。本研究提高了公众对空气污染的健康影响的认识,并以更有意义的方式评估污染趋势。

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