Understanding public perception and attitudes toward air quality and regulation is critical for successful citizen involvement as shifts toward new technologies and management alternatives take place. While urban air pollution continues to be a major risk in most parts of the world, very few studies and surveys have been conducted to systematically study public perceptions related to air pollution. Even fewer studies have focused on developing countries. This gap is critical because of the complex interaction between poverty, livelihoods and sustainable development in developing countries. A Pressure-State-Response framework is used to review studies of public perceptions of air pollution and knowledge gaps are identified. The paper highlights unique characteristics of urban areas in developing countries in the context of air pollution related perceptions.
Indoor air pollution is potentially a very serious environmental and public health problem in India. In poor communities, with the continuing trend in biofuel combustion coupled with deteriorating housing conditions, the problem will remain for some time to come. While to some extent the problem has been studied in rural areas, there is a dearth of reliable data and knowledge about the situation in urban slum areas. The microenvironmental model was used for assessing daily-integrated exposure of infants and women to respirable suspended particulates (RSP) in two slums of Delhi F one in an area of high outdoor pollution and the other in a less polluted area. The study confirmed that indoor concentrations of RSP during cooking in kerosene-using houses are lesser than that in wood-using houses. However, the exposure due to cooking was not significantly different across the two groups. This was because, perhaps due to socioeconomic reasons, kerosene-using women were found to cook for longer durations, cook inside more often, and that infants in such houses stayed in the kitchen for longer durations. It was observed that indoor background levels during the day and at nighttime can be exceedingly high. We speculate that this may have been due to resuspension of dust, infiltration, unknown sources, or a combination of these factors. The outdoor RSP levels measured just outside the houses (near ambient) were not correlated with indoor background levels and were higher than those reported by the ambient air quality monitoring network at the corresponding stations. More importantly, the outdoor levels measured in this study not only underestimated the daily-integrated exposure, but were also poorly correlated with it.
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