Tropospheric ozone(O3)is a trace gas of great significance for air quality and climate change.In recent years,due to the extensive implementation of emission reduction policies,the concentration of fine particulate ma...Tropospheric ozone(O3)is a trace gas of great significance for air quality and climate change.In recent years,due to the extensive implementation of emission reduction policies,the concentration of fine particulate matter in many countries has decreased significantly^([1]).In contrast,the global ground-level O3 concentration has increased by approximately 0.25 ppbv/a^([2]).Research shows that developed countries are experiencing a rebound in O3 levels while developing countries are facing more severe O3 pollution problems^([3,4]).Therefore,the prevention and control of O3 pollution is the top priority at this stage and will play a vital role in the longterm improvement of air quality.展开更多
基金supported by the Second Tibetan Plateau Scientific Expedition and Research Program(2019QZKK0604)the National Natural Science Foundation of China(42177081)+1 种基金the Beijing Municipal Natural Science Foundation(8222075)the Youth Cross Team Scientific Research Project of the Chinese Academy of Sciences(JCTD-2021-10)。
文摘Tropospheric ozone(O3)is a trace gas of great significance for air quality and climate change.In recent years,due to the extensive implementation of emission reduction policies,the concentration of fine particulate matter in many countries has decreased significantly^([1]).In contrast,the global ground-level O3 concentration has increased by approximately 0.25 ppbv/a^([2]).Research shows that developed countries are experiencing a rebound in O3 levels while developing countries are facing more severe O3 pollution problems^([3,4]).Therefore,the prevention and control of O3 pollution is the top priority at this stage and will play a vital role in the longterm improvement of air quality.