13. 2005–2013 年間三個測站 PM 2.5 ⾼高於極端值(> 95%)⼩小時數
Jan 05 Jul 05 Jan 06 Jul 06 Jan 07 Jul 07 Jan 08 Jul 08 Jan 09 Jul 09 Jan 10 Jul 10 Jan 11 Jul 11 Jan 12 Jul 12 Jan 13 Jul 13 Dec 13
0 50 100 150
Hours
PM2.5 > 95% quantile (2005−2013)
⽃斗六(> 87 μg/m3)
台⻄西(> 82 μg/m3)
崙背(> 70 μg/m3)
14. 2005–2013 年間三個測站 PM 2.5
⾼高於極端值(> 95%)佔該⽉月份有效量測值⼩小時數⽐比例
Jan 05 Jul 05 Jan 06 Jul 06 Jan 07 Jul 07 Jan 08 Jul 08 Jan 09 Jul 09 Jan 10 Jul 10 Jan 11 Jul 11 Jan 12 Jul 12 Jan 13 Jul 13 Dec 13
0 5 10 15 20
Percentage (%)
PM2.5 > 95% quantile percentage (2005−2013)
⽃斗六(> 87 μg/m3)
台⻄西(> 82 μg/m3)
崙背(> 70 μg/m3)
15. 2005–2013 PM 2.5 (>95% ⽉月均)
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
0 10 20 30 40 50 60 70
Hours
Average PM2.5 > 95% quantile (2005−2013)
⽃斗六
台⻄西
崙背
16. 1993–2013 年間三個測站 PM 10 ⾼高於極端值(> 95%)⼩小時數
Sep 93 Jan 95 Jan 96 Jan 97 Jan 98 Jan 99 Jan 00 Jan 01 Jan 02 Jan 03 Jan 04 Jan 05 Jan 06 Jan 07 Jan 08 Jan 09 Jan 10 Jan 11 Jan 12 Jan 13 Dec 13
0 50 100 150 200
Hours
PM10 > 95% quantile (1993/09−2013)
⽃斗六(> 152 μg/m3)
台⻄西(> 160 μg/m3)
崙背(> 139 μg/m3)
Sep 93 Jan 95 Jan 96 Jan 97 Jan 98 Jan 99 Jan 00 Jan 01 Jan 02 Jan 03 Jan 04 Jan 05 Jan 06 Jan 07 Jan 08 Jan 09 Jan 10 Jan 11 Jan 12 Jan 13 Dec 13 0 200 400 600 800 1000
precipitation (mm)
Monthly precipitataion (1994−2013) at douliu
⽃斗六降⾬雨量
17. Sep 93 Jan 95 Jan 96 Jan 97 Jan 98 Jan 99 Jan 00 Jan 01 Jan 02 Jan 03 Jan 04 Jan 05 Jan 06 Jan 07 Jan 08 Jan 09 Jan 10 Jan 11 Jan 12 Jan 13 Dec 13
0 200 400 600 800 1000
precipitation (mm)
Monthly precipitataion (1994−2013) at Lunbei
Sep 93 Jan 95 Jan 96 Jan 97 Jan 99 Jan 00 Jan 01 Jan 02 Jan 03 Jan 04 Jan 05 Jan 06 Jan 07 Jan 08 Jan 09 Jan 10 Jan 11 Jan 12 Jan 13 Dec 13
0 200 400 600 800 1000
precipitation (mm)
Monthly precipitataion (1994−2013) at Taishi
18. 1993–2013 年間三個測站 PM 10
⾼高於極端值(> 95%)佔該⽉月份有效量測值⼩小時數⽐比例
Sep 93 Jan 95 Jan 96 Jan 97 Jan 98 Jan 99 Jan 00 Jan 01 Jan 02 Jan 03 Jan 04 Jan 05 Jan 06 Jan 07 Jan 08 Jan 09 Jan 10 Jan 11 Jan 12 Jan 13 Dec 13
0 5 10 15 20 25 30 35
Percentage (%)
PM10 > 95% quantile percentage (1993−2013)
⽃斗六(> 152 μg/m3)
台⻄西(> 160 μg/m3)
崙背(> 139 μg/m3)
19. 1994–2013 PM10 (>95% ⽉月均)
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
0 20 40 60 80
Hours
Average pm10 > 95% quantile (2005−2013)
21. What’s the next?
• exploratory analysis
• GLM to find out the relationships between
environmental variables (such as precipitation,
relative humidity, wind direction, etc) and
particulates
• Spatial analysis and interpolation of PM2.5 and
PM10
22. R code (well, it’s quite dirty and needs to tidy up)
https://gist.github.com/mutolisp/99f6ba3be9f19140623b