First Monitoring Results Released after Air Quality Monitoring S
「First Monitoring Results Released after Air Quality Monitoring S」於資料集「MajorEnvironmentalPolicies」由單位「行政院環境保護署」的陳小姐所提供，聯繫電話是(02)23117722#2753,(02)23117722#2756，最近更新時間為：2023-07-30 01:03:45。 欄位編號的內容是3592 ， 欄位標題的內容是First Monitoring Results Released after Air Quality Monitoring Strengthened for Traffic Pollution ， 欄位摘要的內容是Environmental Monitoring
First Monitoring Results Released after Air Quality Monitoring Strengthened for Traffic Pollution
The EPA has established six new mobile traffic air-quality monitoring stations this year, and the first monitoring results from Taichung City have been released. According to the preliminary air quality monitoring results, pollutant concentrations are higher in the downtown area than other surrounding areas. Moreover, the amounts of both CO and PM2.5 are significantly higher during rush hour (8-9 AM) on weekdays, while the pollution concentration decreases on weekends due to reduced traffic. The result clearly indicates that traffic pollutants are still an important source of air pollution. ， 欄位全文的內容是First Monitoring Results Released after Air Quality Monitoring Strengthened for Traffic Pollution
The EPA has established six new mobile traffic air-quality monitoring stations this year, and the first monitoring results from Taichung City have been released. According to the preliminary air quality monitoring results, pollutant concentrations are higher in the downtown area than other surrounding areas. Moreover, the amounts of both CO and PM2.5 are significantly higher during rush hour (8-9 AM) on weekdays, while the pollution concentration decreases on weekends due to reduced traffic. The result clearly indicates that traffic pollutants are still an important source of air pollution.
The EPA is promoting various control measures on mobile pollution sources in order to keep reducing traffic pollution. In the past, only a small number of counties/cities had one or two air quality monitoring stations. However, the EPA has started using six monitoring stations in one single county/city this year to closely monitor the influence of traffic on air quality, and in the future air quality monitoring will be conducted by municipalities. Furthermore, the EPA is also utilizing traffic volume data from the Department of Transportation to better understand the relationship between air pollution and other variables (for example traffic volume, time, location, etc.) to help formulate control measures.
According to the monitoring results from Taichung City, the top three locations that have the highest CO concentrations are all in the downtown area. The top three locations and their CO concentrations are listed respectively as follows: Section 3 Wenxin Road (Wen-Hua Senior High School) at 0.73 ppm; Jingwu Road (Taichung Weather Station) at 0.44 ppm; and Section 2 Taiwan Boulevard (Zhongming Elementary School) at 0.40 ppm. Using Section 3 Wenxin Road as an example to analyze the relationship between traffic volume and CO concentration, during rush hour on weekdays, between 8-9 AM, the traffic volume is 1,800 cars/hour, six times the level at non-peak hours. The average concentrations of CO and PM2.5 are also 1.8 times and 25% higher respectively. However, the traffic volume during the same time period on weekends is 35% less than weekdays, and the concentrations of CO and PM2.5 are 34% and 20% lower, respectively.
After further analyzing the mobile traffic air-quality monitoring stations and other regular air quality monitoring stations in Taichung City, CO and NOX concentration were found to be, respectively, 1.6 and 1.4 times higher than at regular monitoring stations. On the contrary, O3 concentration is significantly lower near the traffic air-quality monitoring stations mainly because O3 disappears quickly after reacting chemically with NO. In terms of PM2.5, the comparison did not show any major difference between the two kinds of monitoring stations since primary PM2.5 and secondary PM2.5 combine and dissipate rapidly. ， 欄位年度的內容是2017 ， 欄位月份的內容是8 ， 欄位卷的內容是20 ， 欄位期的內容是8 ， 欄位順序的內容是 ， 欄位倒序的內容是 ， 欄位分類的內容是Environmental Monitoring ， 欄位標題2的內容是 ， 欄位檔案位置的內容是V20/V20-8 。
編號
3592
標題
First Monitoring Results Released after Air Quality Monitoring Strengthened for Traffic Pollution
摘要
Environmental Monitoring First Monitoring Results Released after Air Quality Monitoring Strengthened for Traffic Pollution The EPA has established six new mobile traffic air-quality monitoring stations this year, and the first monitoring results from Taichung City have been released. According to the preliminary air quality monitoring results, pollutant concentrations are higher in the downtown area than other surrounding areas. Moreover, the amounts of both CO and PM2.5 are significantly higher during rush hour (8-9 AM) on weekdays, while the pollution concentration decreases on weekends due to reduced traffic. The result clearly indicates that traffic pollutants are still an important source of air pollution.
全文
First Monitoring Results Released after Air Quality Monitoring Strengthened for Traffic Pollution The EPA has established six new mobile traffic air-quality monitoring stations this year, and the first monitoring results from Taichung City have been released. According to the preliminary air quality monitoring results, pollutant concentrations are higher in the downtown area than other surrounding areas. Moreover, the amounts of both CO and PM2.5 are significantly higher during rush hour (8-9 AM) on weekdays, while the pollution concentration decreases on weekends due to reduced traffic. The result clearly indicates that traffic pollutants are still an important source of air pollution. The EPA is promoting various control measures on mobile pollution sources in order to keep reducing traffic pollution. In the past, only a small number of counties/cities had one or two air quality monitoring stations. However, the EPA has started using six monitoring stations in one single county/city this year to closely monitor the influence of traffic on air quality, and in the future air quality monitoring will be conducted by municipalities. Furthermore, the EPA is also utilizing traffic volume data from the Department of Transportation to better understand the relationship between air pollution and other variables (for example traffic volume, time, location, etc.) to help formulate control measures. According to the monitoring results from Taichung City, the top three locations that have the highest CO concentrations are all in the downtown area. The top three locations and their CO concentrations are listed respectively as follows: Section 3 Wenxin Road (Wen-Hua Senior High School) at 0.73 ppm; Jingwu Road (Taichung Weather Station) at 0.44 ppm; and Section 2 Taiwan Boulevard (Zhongming Elementary School) at 0.40 ppm. Using Section 3 Wenxin Road as an example to analyze the relationship between traffic volume and CO concentration, during rush hour on weekdays, between 8-9 AM, the traffic volume is 1,800 cars/hour, six times the level at non-peak hours. The average concentrations of CO and PM2.5 are also 1.8 times and 25% higher respectively. However, the traffic volume during the same time period on weekends is 35% less than weekdays, and the concentrations of CO and PM2.5 are 34% and 20% lower, respectively. After further analyzing the mobile traffic air-quality monitoring stations and other regular air quality monitoring stations in Taichung City, CO and NOX concentration were found to be, respectively, 1.6 and 1.4 times higher than at regular monitoring stations. On the contrary, O3 concentration is significantly lower near the traffic air-quality monitoring stations mainly because O3 disappears quickly after reacting chemically with NO. In terms of PM2.5, the comparison did not show any major difference between the two kinds of monitoring stations since primary PM2.5 and secondary PM2.5 combine and dissipate rapidly.
年度
2017
月份
8
卷
20
期
8
順序
倒序
分類
Environmental Monitoring
標題2
檔案位置
V20/V20-8
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