Mapping PM 2.5 Air Pollution in Texas Zhipeng Xing GIS 2013 Fall Environmental and Water Resources Engineering
Mapping PM 2.5 Air Pollution in Texas
Zhipeng XingGIS 2013 Fall
Environmental and Water Resources Engineering
PM 2.5Particulate Matter 2.5 um ~ 10 umReach into lungs
IrritationCoughing/sneezingAsthma/heart diseaseReduced visibility
SourcesAutomobile exhaustsGas/droplets reactionCooking/smoking
EPA limit: annual mean 12 μg/m3
Data SourceTCEQ
Texas PM 2.5 Monthly 2013
Texas PM 2.5 with Population
Amar
illo
Lubbo
ck
Wichi
ta F
alls
Fort W
orth
Dalla
s
Karna
ck
El Pas
o
Brewst
er C
ount
y
Ode
ssa
Wac
o
Beaum
ont
Austin
Hou
ston
Galve
ston
San A
nton
io
Corpu
s Chr
isti
Browns
ville
Nue
vo L
ared
o0
500000
1000000
1500000
2000000
2500000
0
20
40
60
80
100
120
Population
Days over limit
Popula
tion
Days
Over
Lim
it
San Antonio
Jan-11 Jan-11 Feb-11 Mar-11 Apr-11 May-11 May-11 Jun-11 Jul-11 Aug-11 Sep-11 Oct-11 Oct-11 Nov-11 Dec-110
5
10
15
20
25
30
35
40
45
0
10
20
30
40
50
60
70
80
90
100PM 2.5
Temperature
PM
2.5
Concentr
ati
on
(ug/m
3)
Tem
pera
ture
(F°)
Dec-11 Jan-12 Feb-12 Mar-12 Apr-12 May-12 May-12 Jun-12 Jul-12 Aug-12 Sep-12 Oct-12 Oct-12 Nov-12 Dec-120
5
10
15
20
25
0
10
20
30
40
50
60
70
80
90
100
PM
2.5
Concentr
ati
on
(ug/m
3)
Tem
pera
ture
(F°)
Dec-12 Jan-13 Feb-13 Mar-13 Apr-13 May-13 May-13 Jun-13 Jul-13 Aug-13 Sep-13 Oct-13 Oct-13 Nov-13 Dec-130
5
10
15
20
25
30
35
0102030405060708090100
PM
2.5
Concentr
ati
on
(ug/m
3)
Tem
pera
ture
(F°)
CPS Pecan Valley
Days above EPA limit
2011 2012 2013January 1 7 2February 6 1 1March 12 3 3April 21 10 9May 18 7 13June 3 8 13July 8 11 13August 7 8 8September 5 1 5October 0 0 3November 1 4 4December 6 3 0
Jan-11 Jan-11 Feb-11 Mar-11 Apr-11 May-11 May-11 Jun-11 Jul-11 Aug-11 Sep-11 Oct-11 Oct-11 Nov-11 Dec-110
5
10
15
20
25
30
35
40
45
0
0.5
1
1.5
2
2.5
3
PM 2.5
Precipitation
PM
2.5
Concentr
ati
on
(ug/m
3)
Pre
cip
itati
on (
inch/d
ay)CPS Pecan Valley
Dec-11 Jan-12 Feb-12 Mar-12 Apr-12 May-12 May-12 Jun-12 Jul-12 Aug-12 Sep-12 Oct-12 Oct-12 Nov-12 Dec-120
5
10
15
20
25
0
0.5
1
1.5
2
2.5
3
3.5
4
PM
2.5
Concentr
ati
on
(ug/m
3)
Pre
cip
itati
on (
inch/d
ay)
Dec-12 Jan-13 Feb-13 Mar-13 Apr-13 May-13 May-13 Jun-13 Jul-13 Aug-13 Sep-13 Oct-13 Oct-13 Nov-13 Dec-130
5
10
15
20
25
30
35
0
0.5
1
1.5
2
2.5
3
PM
2.5
Concentr
ati
on
(ug/m
3)
Pre
cip
itati
on (
inch/d
ay)
Rain Times Better Times Percent
2011 47 33 70%
2012 79 58 73%
2013 87 61 70%
Future WorkSame analysis for the other siteFINISH THE REPORT!!!
ConclusionHigh concentration at high population/trafficTemperature & PrecipitationGOOD NEWS! - No serious PM 2.5 pollution
in Texas
AcknowledgementDr. Maidment