There is mounting evidence that exposure to air pollution and noise from transportation are linked to the risk of hypertension. Most studies have only looked at relationships between single exposures. To examine links between combined exposure to road traffic, air pollution, and road noise. A Casella CEL-63x instrument was used to monitor traffic noise on a number of locations in residential streets in Glasgow, UK during peak traffic hours. The spatial numerical modelling capability of Quantum GIS (abbreviated QGIS) was used to analyse the combined association of noise and air pollution. Based on geospatial mapping, data on residential environmental exposure was added using annual average air pollutant concentrations from local air quality monitoring network, including particulate matter (PM10 and PM2.5), nitrogen dioxide (NO2), and road-traffic noise measurements at different component frequencies (Lden). The combined relationships between air pollution and traffic noise at different component frequencies were examined. Based on Moran I autocorrelation, geographically close values of a variable on a map typically have comparable values when there is a positive spatial autocorrelation. This means clustering on the map was influenced significantly by NO2, PM10 and PM2.5, and Lden at the majority of monitoring locations. Studies that only consider one of these two related exposures may exaggerate the impact of the individual exposure while underestimating the combined impact of the two environmental exposures.

There is growing evidence linking exposure to air pollution and traffic noise with hypertension. The aim of this study was to examine the associations of registered hypertension cases and hypertension rate with exposure to air pollution and road noise. In this cross-sectional study, we linked the information from the NHS Scotland database of 776,579 hypertension patients’ registrations and rates per 13.80 people at the Scottish NHS Board, HSCP, Cluster, and GP practice levels. Based on the geospatial attributes, the data on residential areas were added by modelling annual average air pollutant concentrations, including particulate matter (PM10 and PM2.5), nitrogen dioxide (NO2), and road-traffic noise at different frequency components (Lden). The relationships between exposure to road noise, air pollution, and hypertension were examined using multiple regression and multivariate analysis. Traffic noise and air pollution at various frequency components positively and negatively predicted registered hypertension cases and hypertension rate. Based on the canonical loading technique, the variance explained by the canonical independent variable at a canonical correlation of 0.342 is 89%. There is a significant correlation between joint air pollution and noise at different frequency components and combined registered hypertension cases and hypertension rate. Exploring the combined effects of the two environmental exposures and the joint modelling of noise and air pollutants with hypertension in geospatial views provides an opportunity to integrate environmental and health data to support spatial assessment strategies in public and environmental health.

There is evidence that hypertensive heart disease is attributed to environmental noise and air pollution in European regions. Epidemiological studies have also demonstrated the potential role of road traffic air–noise pollution in adverse health outcomes, including cardiovascular diseases such as hypertension. Despite the local implementation of the EU Directive on environmental noise and air quality, it is necessary to explore the progress and understand the impact of policy, legislation and the collection of exposure and associated health data for air and noise pollution in order to improve environmental public health. Therefore, the DPSEEA (Driving force, Pressure, State, Exposure, Effect and Action) conceptual framework model was used to systematically map and review these links and to identify relevant indicators linking air–noise pollution with cardiovascular diseases. With a focus on the EU and specifically UK situation, we critically evaluate the effectiveness of evidence-based policy implementation of action plans, summarizing existing data using modified framework model tools. We concluded that, the DPSEEA conceptual framework provides an effective review method to more effectively, conduct data surveillance monitoring and assessment, and tracking outcomes with different types of evidence in the field of environmental public health. There is great scope demonstrating the use of the DPSEEA conceptual framework to highlight the casual relationship between exposure and effects taking into account other factors such as driving force, pressure, state, exposure and action and to incorporate as surveillance information in the environmental health tracking system (EHTS).