今年去年10月pm2.5比較 - 台中
By Lucy
at 2019-11-02T09:00
at 2019-11-02T09:00
Table of Contents
今年十月初台灣經歷一場難得的西南風型態境外空污,加上這之後弱綜觀大氣環境,台中
空氣深受其害長達一週以上,究竟這會不會反應整月平均呢?
首先附上中部五縣市的pm2.5在18年與19年10月平均值比較表格,數據皆來自環保署網站
,資料選用原始資料(因為今年十月開始環保署不再做迴歸校正)
https://taqm.epa.gov.tw/pm25/tw/MonthlyAverage.aspx
https://i.imgur.com/BE1RoJU.jpg
仔細來看看台中,可以很清楚發現今年十月空氣品質全面而惡化的事實,特別是豐原沙鹿
大里三測站,皆退回2017年之水準
https://i.imgur.com/zSe0T8e.jpg
探究原因,是否真的跟月初那場境外+弱綜觀天氣型態有關呢?
我們來看看台中周遭縣市的變化吧,首先是苗栗,只有三義惡化2微克,其他都下降了
https://i.imgur.com/mISSEmF.jpg
接著彰化,只有線西惡化2微克
https://i.imgur.com/4egRyrq.jpg
南投,竹山持平其他下降,而且幅度巨大,埔里改善6微克、南投改善8微克
https://i.imgur.com/Ul06ogy.jpg
最後是雲林地區,只有台西惡化1微克
https://i.imgur.com/Js3F484.jpg
—————-
結語
雖然台中在今年春夏創紀錄的出現好空氣,但十月空污季一到瞬間被打回原型,而中火在
整個十月已經常態性3台機組停止運轉+其他機組降載,這在去年是聞所未聞的,但顯然對
於空污惡化情況毫無幫助。
另外一方面,其他縣市除了較靠近台中的三義與線西測站外,今年幾乎是全面性的改善(
台西例外),說是天氣影響又好像不太對,但也不排除是中火加大幅度降載產生的助益
或許,對台中而言,除了中火,還有更多在地污染是我們需要關注的(例如交通&工廠)
,總之如果未來還是只有強打中火,顯然無法真正改善台中空氣啊
--
空氣深受其害長達一週以上,究竟這會不會反應整月平均呢?
首先附上中部五縣市的pm2.5在18年與19年10月平均值比較表格,數據皆來自環保署網站
,資料選用原始資料(因為今年十月開始環保署不再做迴歸校正)
https://taqm.epa.gov.tw/pm25/tw/MonthlyAverage.aspx
https://i.imgur.com/BE1RoJU.jpg
仔細來看看台中,可以很清楚發現今年十月空氣品質全面而惡化的事實,特別是豐原沙鹿
大里三測站,皆退回2017年之水準
https://i.imgur.com/zSe0T8e.jpg
探究原因,是否真的跟月初那場境外+弱綜觀天氣型態有關呢?
我們來看看台中周遭縣市的變化吧,首先是苗栗,只有三義惡化2微克,其他都下降了
https://i.imgur.com/mISSEmF.jpg
接著彰化,只有線西惡化2微克
https://i.imgur.com/4egRyrq.jpg
南投,竹山持平其他下降,而且幅度巨大,埔里改善6微克、南投改善8微克
https://i.imgur.com/Ul06ogy.jpg
最後是雲林地區,只有台西惡化1微克
https://i.imgur.com/Js3F484.jpg
—————-
結語
雖然台中在今年春夏創紀錄的出現好空氣,但十月空污季一到瞬間被打回原型,而中火在
整個十月已經常態性3台機組停止運轉+其他機組降載,這在去年是聞所未聞的,但顯然對
於空污惡化情況毫無幫助。
另外一方面,其他縣市除了較靠近台中的三義與線西測站外,今年幾乎是全面性的改善(
台西例外),說是天氣影響又好像不太對,但也不排除是中火加大幅度降載產生的助益
或許,對台中而言,除了中火,還有更多在地污染是我們需要關注的(例如交通&工廠)
,總之如果未來還是只有強打中火,顯然無法真正改善台中空氣啊
--
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