_id	CensusTract	PM25
1	10300	12.264655
2	20100	12.283052
3	20300	12.241216
4	30500	12.234197
5	40200	12.315312
6	40400	12.245356
7	40500	12.315699
8	40600	12.324962
9	40900	12.337762
10	50100	12.249677
11	50600	12.221995
12	50900	12.243351
13	51000	12.255559
14	51100	12.285219
15	60300	12.17729
16	60500	12.183614
17	70300	12.257625
18	70500	12.245584
19	70600	12.256088
20	70800	12.25
21	70900	12.25037
22	80200	12.217096
23	80400	12.229384
24	80600	12.222447
25	80700	12.225592
26	80900	12.21183
27	90100	12.162364
28	90200	12.19583
29	90300	12.198438
30	100500	12.179871
31	101100	12.157773
32	101400	12.162134
33	101600	12.190482
34	101700	12.199422
35	101800	12.159449
36	110200	12.189375
37	110600	12.201115
38	111300	12.207329
39	111400	12.2112
40	111500	12.226222
41	120300	12.214142
42	120400	12.229636
43	120700	12.251142
44	120800	12.239521
45	130100	12.232178
46	130200	12.228263
47	130300	12.243885
48	130400	12.231452
49	130600	12.229266
50	140100	12.285337
51	140200	12.270436
52	140300	12.272825
53	140400	12.27657
54	140500	12.280433
55	140600	12.240512
56	140800	12.349463
57	141000	12.30074
58	141100	12.385153
59	141300	12.338912
60	141400	12.376482
61	151600	12.322416
62	151700	12.335384
63	160800	12.358962
64	160900	12.35654
65	170200	12.298205
66	170600	12.307553
67	180300	12.301099
68	180700	12.294003
69	190300	12.27743
70	191100	12.267195
71	191400	12.284805
72	191500	12.290145
73	191600	12.284014
74	191700	12.30514
75	191800	12.283096
76	191900	12.26534
77	192000	12.286129
78	202200	12.213395
79	202300	12.220888
80	210700	12.220129
81	220600	12.246405
82	240600	12.20563
83	241200	12.183118
84	250300	12.228973
85	250700	12.226104
86	250900	12.238934
87	260200	12.162627
88	260700	12.198241
89	260900	12.171797
90	261200	12.160112
91	261400	12.236356
92	261500	12.224518
93	262000	12.197362
94	270100	12.195901
95	270300	12.200384
96	270400	12.215499
97	270800	12.192786
98	271500	12.205422
99	281400	12.240499
100	281500	12.238805
101	290100	12.308151
102	290200	12.345553
103	290400	12.32771
104	300100	12.317734
105	310200	12.455896
106	310300	12.452951
107	320400	12.315795
108	320600	12.269332
109	320700	12.306186
110	401100	11.251282
111	401200	11.357173
112	401300	11.407247
113	402000	11.433118
114	403500	11.465822
115	404000	11.552485
116	405000	11.535279
117	406000	11.311841
118	407001	11.505247
119	407002	11.638003
120	408001	11.597466
121	408002	11.66043
122	409000	11.659814
123	410000	11.734074
124	411000	11.731268
125	412001	11.785071
126	412002	11.889096
127	413100	11.780652
128	413201	11.872668
129	413202	11.862159
130	413300	11.978578
131	413400	11.934701
132	413500	11.825847
133	414101	11.749063
134	414102	11.756301
135	414200	11.880055
136	415001	11.748099
137	415002	11.916422
138	416000	11.696951
139	417100	11.720326
140	417200	11.730079
141	418000	11.759918
142	419000	11.844841
143	420000	12.097203
144	421100	12.056619
145	421200	12.080271
146	422000	12.042707
147	423000	12.161773
148	424000	12.178978
149	425000	12.163241
150	426300	11.993373
151	426400	12.067816
152	426700	12.10269
153	426800	12.007611
154	427000	12.165386
155	427100	12.096989
156	427200	12.14111
157	428100	12.204614
158	428200	12.186225
159	429100	12.11023
160	429201	12.006707
161	429202	12.07689
162	429300	12.034003
163	429400	12.046405
164	429500	12.056811
165	429600	12.121008
166	429700	12.131811
167	430100	12.121079
168	430200	12.109885
169	431100	12.171636
170	431400	12.142241
171	431500	12.162715
172	432300	12.129014
173	432400	12.144288
174	434000	12.109619
175	435000	12.065647
176	437000	12.006871
177	439000	11.830296
178	445500	11.88891
179	446000	11.858312
180	447000	11.851712
181	448000	11.85434
182	449000	11.857693
183	450700	11.936326
184	450800	11.94326
185	451101	11.863449
186	451102	11.864266
187	451104	11.800129
188	451105	11.82329
189	451300	11.893707
190	452000	11.713441
191	453003	11.841403
192	453004	11.816715
193	455000	11.798811
194	456001	11.852786
195	456003	11.780967
196	456004	11.920827
197	457100	12.016
198	457200	12.035195
199	458000	11.968718
200	459101	11.991477
201	459102	12.017581
202	459201	12.014049
203	459202	12.120197
204	460001	12.089981
205	460002	12.126027
206	461000	12.048871
207	462100	12.160904
208	462600	12.162767
209	463900	12.180723
210	464300	12.175104
211	464400	12.194592
212	465600	12.174296
213	465800	12.169737
214	468700	12.136077
215	468800	12.128942
216	468900	12.16769
217	469000	12.210737
218	470300	12.107578
219	470400	12.084734
220	470501	12.177452
221	470502	12.158386
222	470600	12.102016
223	471000	12.084463
224	472100	12.204526
225	472200	12.20831
226	472300	12.220027
227	472400	12.207981
228	473100	12.194326
229	473200	12.181542
230	473300	12.231323
231	473401	12.197605
232	473402	12.159532
233	473500	12.145786
234	473601	12.145121
235	473602	12.132586
236	474101	12.084773
237	474102	12.097425
238	474201	12.030855
239	474202	11.978605
240	474203	12.006359
241	475101	12.144282
242	475102	12.152104
243	475200	12.087107
244	475301	12.135216
245	475303	12.072822
246	475304	12.050575
247	475401	12.201488
248	475402	12.128408
249	476100	12.191644
250	476200	12.262036
251	477100	12.267701
252	477200	12.309814
253	477300	12.359622
254	478100	12.356219
255	478200	12.361745
256	479000	12.265238
257	480101	12.319564
258	480102	12.266734
259	480200	12.388364
260	480300	12.397205
261	480400	12.394474
262	481000	12.328205
263	482500	12.429808
264	483800	12.438468
265	484300	12.386142
266	484500	12.434641
267	484600	12.405592
268	485000	12.402556
269	486700	12.385655
270	486800	12.371334
271	486900	12.38737
272	487000	12.410058
273	488100	12.446208
274	488200	12.424685
275	488300	12.450951
276	488400	12.434858
277	488500	12.435751
278	488600	12.414551
279	489001	12.359118
280	489002	12.333827
281	490002	12.113227
282	490003	12.259014
283	490004	12.164016
284	491101	12.256134
285	491200	12.309088
286	492700	12.311852
287	492800	12.247515
288	492900	12.234685
289	494000	12.128833
290	495000	11.828959
291	496101	12.022945
292	496102	11.867156
293	496200	12.132795
294	497000	12.268858
295	498000	12.393822
296	499300	12.440323
297	499400	12.396071
298	500300	12.420611
299	501000	12.294721
300	503002	12.278225
301	504100	12.330107
302	507000	12.236055
303	508000	12.228104
304	509400	12.271838
305	510000	12.367614
306	512000	12.357137
307	512800	12.379058
308	512900	12.367573
309	513800	12.390156
310	514000	12.371521
311	515100	12.35114
312	515200	12.334003
313	515300	12.358184
314	515401	12.3444
315	516100	12.286767
316	516200	12.288334
317	517000	12.346266
318	518001	12.290855
319	519000	12.228871
320	520001	12.175334
321	520002	12.28294
322	521100	12.035978
323	521200	12.154841
324	521301	12.022992
325	521302	12.138573
326	521401	11.891463
327	521402	11.967337
328	521500	11.884055
329	522000	12.1174
330	523100	12.160822
331	523200	12.18806
332	523300	12.11283
333	523400	12.157167
334	523501	12.065537
335	523502	12.038164
336	523600	12.130515
337	523701	11.9922
338	523702	11.979474
339	523800	12.083397
340	524000	12.025033
341	525100	11.953397
342	525200	11.987871
343	525300	11.940447
344	526101	11.769959
345	526102	11.687186
346	526201	11.877521
347	526202	11.91411
348	526301	11.748816
349	526302	11.747586
350	550900	12.389236
351	551200	12.350841
352	551300	12.314384
353	551900	12.381041
354	552000	12.366737
355	552100	12.429852
356	552200	12.424948
357	552300	12.397249
358	552400	12.375458
359	560400	12.249805
360	560500	12.287825
361	560600	12.284636
362	561000	12.274995
363	561100	12.227392
364	561200	12.250685
365	561400	12.188142
366	561500	12.258671
367	561600	12.338299
368	561700	12.370164
369	561900	12.1864
370	562000	12.22189
371	562300	12.379904
372	562400	12.307153
373	562500	12.212699
374	562600	12.251616
375	562700	12.251408
376	562800	12.169079
377	562900	12.386745
378	563000	12.157559
379	563100	12.257348
380	563200	12.248038
381	563300	11.918956
382	563800	11.994033
383	563900	12.290844
384	564000	11.69654
385	564100	12.142016
386	564200	12.190896
387	564400	12.192852
388	564500	12.115592
389	980000	12.158553
390	980100	12.171268
391	980700	12.277704
392	981100	12.297414
393	982200	12.272995