Abstract
What is already known about this topic?Ozone (O3) is a weather-driven photochemical ambient pollutant, and its harm to human health may be affected by meteorological factors such as temperature. However, there is conflicting evidence regarding whether temperature can modify the effects of ozone on health. What is added by this report?Short-term exposure to O3 in the Beijing Municipality, Tianjin Municipality, Hebei Province, and surrounding areas was associated with an increased risk of human mortality and that association was positive modified by relatively higher (>75th 24 h-average temperature) or extreme cold temperature (<10th 24 h-average temperature). Under extreme temperatures (>90th 24 h-average temperature) modification, the associations were further increased. Cardiopulmonary diseases, as vulnerable diseases of air pollution, their mortality risks associated with O3 were markedly strengthened by uncomfortable temperatures. What are the implications for public health practice?This study suggests that policymakers should pay attention to the synergistic effect between ozone and heat or extreme cold on human health, as well as provide evidence for establishing an integrated early-warning system to protect the public against both uncomfortable temperature and air pollution.
Highlights
Ozone (O3) is a weather-driven photochemical ambient pollutant, and its harm to human health may be affected by meteorological factors such as temperature
This study suggests that policymakers should pay attention to the synergistic effect between ozone and heat or extreme cold on human health, as well as provide evidence for establishing an integrated earlywarning system to protect the public against both uncomfortable temperature and air pollution
The second approach, a temperature-stratified approach by a Pick-A-Point technique centering on changes of the conditional effect of O3 across the designated levels of the modifier [8], aimed to construct interaction terms between O3 and a stratification variable of temperature in the generalized linear model (GLM) and analyze differences of associations under three different temperature levels: low, moderate, and high temperature
Summary
Ozone (O3) is a weather-driven photochemical ambient pollutant, and its harm to human health may be affected by meteorological factors such as temperature. Short-term exposure to O3 in the Beijing Municipality, Tianjin Municipality, Hebei Province, and surrounding areas was associated with an increased risk of human mortality and that association was positive modified by relatively higher (>75th 24 h-average temperature) or extreme cold temperature (
Sign-in/Register to view highlights & summary Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
