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

机译:印度德里的空气质量评估及其与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)系统的主要目标是用标准指标解释空气质量,以使公众了解在任何给定日期监测到的空气污染物浓度水平对健康和环境的影响。使用AQI系统分析了德里国家环境空气质量监测计划下2001-2010年期间监测站点空气污染物的日平均浓度数据。进行这项研究是为了(i)评估过去10年的空气质量趋势,(ii)确定空气质量与德里的死亡率和呼吸道发病率之间的关系,以及(iii)检查空气质量的季节性变化。从健康影响的角度来看,空气质量状况从“中等”变化为“对敏感人群不健康”。发现非创伤性死亡率(r = 0.877,P <0.01)以及呼吸系统疾病与AQI值显着相关。本研究提高了公众对空气污染对健康的影响的认识,并有助于以更有意义的方式评估污染趋势。

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