Original Research

Estimation of health impact using AirQ+ model attributed to surface ozone in sub-regions of Surat city, India


Introduction: Deteriorated air quality in nation like India contributes to the health burden. The AirQ+ is used to estimate short-term and long-term health impact attributable to surface Ozone (O3) in Surat city. Average hourly ozone concentration data and other criteria pollutants retrieved from January 2018 to December 2019 from two monitoring stations (Limbayat and Varachha).
Materials and methods: In this study, the Respiratory Mortality (RM), Cardiovascular Mortality (CM), Total Mortality (TM), Hospital Admissions with Cardiovascular Disease (HACVD), and Hospital Admissions with Respiratory Disease (HARD), as well as Respiratory Mortality-Long-Term (LT-RM) were quantified. Baseline Incidence (BI) data were obtained from literature and Relative Risk (RR) values were referred from World Health Organization (WHO). An annual Sum of Maximum 8 h Ozone means over 35 ppb (SOMO35), 70 µg/m, used as a predictor of potential long-term health effects.
Results: More ozone concentration were observed in winter and pre-monsoon than concentration formed in southwest monsoon and post-monsoon seasons. The average of Oconcentration for Limbayat are 71.61 (±0.39) µg/mand 29.76 (±1.86) µg/mand for Varachha are 61.17 9 (±6.15) µg/m, 11.32 (±1.35) µg/mduring 2018 and 2019, respectively and the obtained cumulative number of cases of death are estimated 136, 45, 172 and 18 persons respectively. Total hospital admission due to cardiovascular and respiratory diseases are found
435, 134, 552 and 58 at Limbayat and Varachha during 2018 and 2019. LTRM is attributed to ozone concentration having the most significant value, 6.8% and 4.62% at Limbayat and Varachha in 2018.
Conclusion: More hospital admissions are found than mortality rates using AirQ+ tool. It can be used to estimate public health in context of mortality and morbidity rates which helps to develop air quality management programs and policy makers to reduce the impact of air pollution on health.

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IssueVol 7 No 3 (2022): Summer 2022 QRcode
SectionOriginal Research
DOI https://doi.org/10.18502/japh.v7i3.10539
AirQ ; Baseline incidence; Health impact assessment; Hospital admission; Mortality

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How to Cite
Jariwala N, Kapadia D. Estimation of health impact using AirQ+ model attributed to surface ozone in sub-regions of Surat city, India. JAPH. 2022;7(3):247-260.