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Updated: Jun 23, 2026

Façade-Level Monitoring of CO2 Variability under Urban Heat Island Conditions using Low-Cost Sensor Data Loggers
Published on: December 12, 2025
Analysis of observed ozone episode in urban Jinan, China
Yongquan Yin1, Haixia Lu, Wenpo Shan
1School of Environmental Science and Engineering, Shandong University, Jinan, 250100, People's Republic of China. yqyin@sdu.edu.cn
Abstract:
Using a trajectory model (HYSPLIT) analyzed the ozone episodes observed at urban Jinan in 2005. There were 84 h (in 24 days) of ozone episodes (>100 ppbv) observed during the study. June was the most polluted month in the year. The earliest episode observed in May 4 was mainly caused by the favorable meteorological condition for ozone production and accumulation. A multi-day episode from 6 to 8 June was related to the passage of typhoon Nesat. 39 h (in 11 days) of ozone episodes were observed from June 10 to 24. Large scale stagnation, recirculation of air mass, intense solar radiation, high temperature and long-rang transport of pollutants were the main reason for the ozone episodes during this period.
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