2011 Region 9 Air Quality Data

Information for Region 9 Air Monitoring Stations
Site No	Station	County	Address	Parameters
0601-04	Dunkirk	Chautauqua	Wright Park Drive	O₃, SO₂
0675-01	Westfield	Chautauqua	8150 Hardscrabble Road	O₃, SO₂, PM_2.5
1401-18	Buffalo	Erie	185 Dingens St	CO, SO₂, NO₂, PM_2.5
1451-03	Amherst	Erie	450 Maple Road	O₃, NO₂
1472-13	Grand Island Blvd	Erie	520 Grand Island Blvd	PM_2.5, Toxics
1472-14	Brookside Terrace	Erie	192 Brookside Terrace West	SO₂, PM_2.5
3102-25	Niagara Falls	Niagara	Frontier Ave & 55^th Street	CO, SO₂, PM_2.5, Toxics
3120-02	Middleport	Niagara	3825 North Hartland Road	O₃

Sulfur Dioxide - Continuous Pulsed Fluorescence

Annual Averages 2001 through 2011 Annual Arithmetic Mean (ppb) - Primary Standard (12 month average not to exceed 30 PPB *)
Station	Site No.	2001	2002	2003	2004	2005	2006	2007	2008	2009	2010	2011
Buffalo	1401-18	7.16	5.78	5.47	3.35	3.73	2.78	2.70	2.34	1.74	1.50	2.01
Tonawanda	1472-04	9.68	10.79	8.89	7.87	5.83	3.93	4.29	xxx	xxx	xxx	xxx
Brookside Terrace	1472-14	--	--	--	--	--	--	(2.80)	2.83	2.10	1.83	3.43
Niagara Falls	3102-25	3.52	3.68	3.56	2.73	2.63	2.48	2.79	2.13	1.58	1.53	2.74
Westfield	0675-01	4.76	4.11	4.26	3.49	3.49	2.70	2.74	2.51	1.73	1.32	1.22
Dunkirk	0601-04	8.37	7.46	6.69	5.31	4.32	3.13	3.27	2.67	2.55	1.54	1.72

Comparison Between NYS Ambient Air Quality and Ambient Air Quality Standards for Calendar Year 2011
Station	Site No.	One Hour Averages - Average of 99th percentile for last 3 years not to exceed 75 PPB *						3-Hour Block Averages - Maximum not to exceed 500 PPB more than once per calendar year *			24 Hour Average - Maximum not to exceed 140 PPB more than once per calendar year *
		Observations		99th Percentile, PPB				Obs.	Highest Values, PPB		Obs.	Highest Values, PPB Midnight - Midnight
		Total Obs.	% Avail	2011	2010	2009	3-yr avg	Total	1st	2nd	Total	1st	2nd
Buffalo	1401-18	8,149	93	22.4	15.0	20.0	19	2,678	21.2 [02/16, 14]	18.2 [02/16, 23]	339	9.1 [02/16]	7.8 [02/11]
Brookside Terrace	1472-14	8,381	96	28.9	30.6	36.6	32	2,763	42.2 [10/07, 14]	29.8 [02/13, 11]	347	10.5 [10/07]	9.6 [07/17]
Niagara Falls	3102-25	8,656	99	12.3	16.3	21.3	17	2,850	12.1 [02/05, 11]	11.9 [12/13, 11]	363	8.1 [12/13]	7.4 [02/05]
Westfield	0675-01	8,659	99	17.1	15.4	24.3	9	2,849	17.4 [10/08, 05]	16.4 [02/05, 11]	365	10.9 [02/05]	8.9 [12/12]
Dunkirk	0601-04	8,660	99	25.8	30.0	46.2	34	2,847	37.1 [02/02, 17]	26.6 [02/18, 23]	365	10.1 [02/05]	9.1 [02/02]

Footnotes for Region 9 sulfur dioxide data:

(Annual Means in parentheses are based on less than 75% available data)
*New York and Federal Ambient Air Quality Standard
[Date of Occurrence, Hour]
+ Denotes a contravention of NYS/Federal AAQS

Inhalable Particulates (PM₁₀) - Wedding Sampler or R&P Model 2025Sampler

Annual Averages 2001 through 2011 Annual Arithmetic Mean (µg/m3)
Station	Site No.	2001	2002	2003	2004	2005	2006	2007	2008	2009	2010	2011	3 Yr Exp Val
Niagara Falls (W)	3102-25	18	17	17	17	xx	xx	xx	xx	xx	xx	xx	xx
Niagara Falls (R&P)	3102-25	--	--	--	20	24	21	21	22	17	15	(14)	15
Westfield (W)	0675-01	14	12	12	11	xx	xx	xx	xx	xx	xx	xx	xx

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Comparison Between NYS Ambient Air Quality and Ambient Air Quality Standards for Calendar Year 2011
Station	Site No.	24-Hour Concentrations - µg/m³							# of Days > 150 µg/m³ - Not to exceed an expected avg of one per year during the last 3 years *
		Total Obs.	Maximum		2nd Max.		3rd Max.		2009		2010		2011		Exp Avg
		Total Obs.	Value	Date	Value	Date	Value	Date	Mea	Est	Mea	Est	Mea	Est	Exp Avg
Niagara Falls (R&P)	3102-25	84	34	07/11	32	07/23	31	07/17	0	0.0	0	0.0	0	0.0	0.0

Footnotes Region 9 PM₁₀ data:

(Annual Means in parentheses are based on less than 75% available data)
* Federal Ambient Air Quality Standard
Mea=Measured
Est=Estimated
W=Wedding Sampler
R&P=R&P Model 2025 Sampler
+ Denotes a contravention of Federal AAQS

Inhalable Particulates (PM_2.5) - Rupprecht & Patashnick Sampler

Comparison Between NYS Ambient Air Quality and Ambient Air Quality Standards for Calendar Year 2011 (Average of last 3 years= annual means not to exceed 15 µg/m3 *; and average of 98th percentile for last 3 years not to exceed 35 µg/m3 *, changed from 65 µg/m3 on 12/17/06)
Station	Site No.	Total Obs.	MaximumValues			98th Percentile				Quarterly Averages, 2011				Annual Mean
Station	Site No.	Total Obs.	1st	2nd	3rd	2011	2010	2009	3-yr avg	1st	2nd	3rd	4th	2011	2010	2009	3-yr avg
Buffalo (F)	1401-18	329	29.3 [06/08]	26.4 [07/18]	25.9 [02/24]	24.6	27.9	24.3	26	10.2	9.2	10.9	8.0	9.6	10.0	9.6	9.7
Buffalo (T)	1401-18	353	30.1 [06/08]	26.0 [09/03]	25.8 [07/18]	22.0	28.6	21.1	24	7.7	8.0	10.5	9.4	8.9	10.1	9.8	9.6
Lackawanna (F)	1402-14	xx	xx	xx	xx	xx	30.2	23.9	xx	xx	xx	xx	xx	xx	10.2	9.5	xx
Grand Island Blvd (T)	1472-13	288	28.8 [06/08]	27.8 [07/18]	26.7 [07/21]	24.8	30.9	23.5	26	10.4	8.3	11.0	9.7	9.9	11.4	10.3	10.5
Brookside Terrace (T)	1472-14	264	30.9 [06/08]	28.6 [07/18]	26.9 [05/31]	23.5	29.6	20.7	25	6.8	8.4	11.3	10.2	9.2	9.4	8.8	9.1
Niagara Falls (F)	3102-25	72	23.0 [09/03]	19.9 [07/11]	19.7 [07/17]	19.9	24.8	21.7	22	8.0	---	9.9	6.2	8.1	8.3	8.7	8.4
Niagara Falls (T)	3102-25	350	35.2 [09/03]	32.0 [07/18]	30.6 [06/08]	26.8	25.5	19.9	24	8.8	8.7	12.2	10.5	10.1	9.3	9.2	9.5
Westfield (F)	0675-01	115	29.5 [09/03]	23.1 [06/08]	21.6 [07/17]	21.6	23.5	17.0	21	7.0	6.9	10.4	5.0	7.3	7.6	7.4	7.4

Sampling at 1402-14 was terminated on 12/31/10.

Footnotes for Region 9 PM_2.5 data:

(Annual Means in parentheses are based on less than 75% available data)
* Federal Ambient Air Quality Standard
F = Federal Reference Method
T = TEOM (Tapered Element Oscillating Microbalance) not for Standards determination
+ Denotes a contravention of Federal AAQS

Carbon Monoxide - Continuous Non-Dispersive Infrared

Annual Averages 2001 through 2011 Annual Arithmetic Mean (ppm)
Station	Site No.	2001	2002	2003	2004	2005	2006	2007	2008	2009	2010	2011
Niagara Falls	3102-25	0.3	0.4	0.4	0.2	0.2	0.2	0.2	0.3	0.3	0.3	(0.4)
Buffalo	1401-18	0.5	0.5	0.5	0.4	0.4	0.4	0.4	0.3	0.3	0.3	0.4
Brookside Terrace	1472-14	--	--	--	--	--	--	0.4	(0.3)	xx	xx	xx

Comparison Between NYS Ambient Air Quality and Ambient Air Quality Standards for Calendar Year 2011
Station	Site No.	One-Hour Average Maximum not to exceed 35 PPM more than once per calendar year *						Running 8-Hour Average (Non-Overlapping) - Maximum not to exceed 9 PPM more than once per calendar year *
		Observations			Highest Values, PPM			Observations		Highest Values, PPM
		Total Obs.	% Avail	> 35 PPM	1st	2nd	3rd	Total	> 9 PPM	1st	2nd	3rd	Days > 9 PPM
Niagara Falls	3102-25	5,193	59	0	2.1 [04/13, 06]	1.9 [04/12, 14]	1.9 [04/12, 15]	5,213	0	1.9 [04/13, 10]	1.8 [04/12, 23]	1.1 [10/30, 07]	0
Buffalo	1401-18	7,661	87	0	1.8 [12/13, 03]	1.6 [11/23, 19]	1.6 [12/13, 04]	7,682	0	1.5 [12/13, 10]	1.3 [12/03] 06]	1.3 [12/13, 02]	0

Footnotes for Region 9 carbon monoxide data:

(Annual Means in parentheses are based on less than 75% available data)
[Date of Occurrence, Hour]
*New York and Federal Ambient Air Quality Standard
+ Denotes a contravention of NYS/Federal AAQS (Note: 9PPM standard is not exceeded unless 8-hour avg > 9.4 PPM)

Ozone - Continuous UV Light Absorption

Annual Averages 2001 through 2011 Annual Arithmetic Mean (ppm)
Station	Site No.	2001	2002	2003	2004	2005	2006	2007	2008	2009	2010	2011
Westfield	0675-01	.035	.038	.034	.033	.035	.034	.036	.034	.034	.038	.035
Dunkirk	0604-01	.032	.034	.033	.032	.033	.033	.034	.032	.031	.034	.031
Amherst	1451-03	.028	.031	.028	.028	.030	.028	.030	.029	.029	.031	.028
Middleport	3120-02	.030	.034	.034	.030	.036	.032	.036	.033	.031	.034	.035

Comparison Between NYS Ambient Air Quality and Ambient Air Quality Standards for Calendar Year 2011
Station	Site No.	One Hour Averages							4th Highest Daily Maximum 8-Hour Average - Not to exceed an avg of 0.075 ppm during the last 3 years, changed from 0.08 ppm on 5/27/08*
		Observations			Highest Values, PPM
		Total Obs.	% Avail	>.12 PPM	1st	2nd	3rd	4th	2009	2010	2011	Avg
Westfield	0675-01	8,606	98	0	.090 [06/08, 15]	.083 [07/11, 12]	.081 [06/07, 17]	.081 [07/21, 15]	.069 [04/24]	.075 [04/01]	.073 [07/06]	.072
Dunkirk	0604-01	8,658	99	0	.101 [06/08, 15]	.084 [07/06, 17]	.082 [07/16, 16]	.078 [05/31, 13]	.068 [04/24]	.080 [07/07]	.069 [05/31]	.072
Amherst	1451-03	8,678	99	0	.081 [07/21, 17]	.079 [06/08, 17]	.075 [07/23, 13]	.074 [07/11, 16]	.067 [08/15]	.072 [07/07]	.068 [08/13]	.069
Middleport (Operated 01/01 - 11/03)	3120-02	6,489	85	0	.091 [07/21, 19]	.086 [10/10, 13]	.084 [08/13, 17]	.083 [07/02, 13]	.064 [04/24]	.071 [04/15]	.073 [07/23]	.069

Footnotes for Region 9 ozone data:

(Annual Means in parentheses are based on less than 75% available data)
*Federal Ambient Air Quality Standard
[Date of Occurrence, Hour]
+ Denotes a contravention of Federal AAQS

Nitrogen Dioxide - Continuous Chemiluminescence

Annual Averages 2001 through 2011 Annual Arithmetic Mean (PPB) - Primary Standard (12 month average not to exceed 53 PPB *)
Station	Site No.	2001	2002	2003	2004	2005	2006	2007	2008	2009	2010	2011
Buffalo	1401-18	21.00	19.74	19.82	18.16	18.92	15.53	16.41	15.05	13.88	13.00	(12.52)
Amherst	1451-03	15.43	13.47	13.06	11.99	12.66	10.51	10.23	(9.71)	(7.42)	8.19	8.32

Comparison Between NYS Ambient Air Quality and Ambient Air Quality Standards for Calendar Year 2011
Station	Site No.	One-Hour Averages - average of 98th percentile for last 3 years not to exceed 100 PPB *
		Observations		98th Percentile, PPB				Highest Values, PPB
		Total	% Avail	2009	2010	2011	3-yr avg	avg	2nd	3rd
Buffalo	1401-18	6,155	70	76.0	59.0	53.6	63	59.6 [01/17, 21]	57.8 [02/23, 20]	57.4 [02/17, 02]
Amherst	1451-03	8,659	99	35.0	46.0	49.5	44	56.5 [01/17, 06]	55.8 [01/17, 07]	55.5 [01/17, 03]

Footnotes for Region 9 nitrogen dioxide data:

(Annual Means in parentheses are based on less than 75% available data)
*New York and Federal Ambient Air Quality Standard
[Date of Occurrence, Hour]
+ Denotes a contravention of NYS/Federal AAQS

Lead - High Volume Air Samplers (Glass Fiber Filters)

Annual Geometric Means ( µg/m³) 1999 through 2009
Station	Site No.	1999	2000	2001	2002	2003	2004	2005*	2006	2007	2008	2009
Buffalo	1401-29	0.03	0.03	0.03	0.03	xxx	xxx	xxx	xxx	xxx	xxx	xx
Niagara Falls	3102-09	0.02	0.02	(0.02)	xxx	xxx	xxx	xxx	xxx	xxx	xxx	xx
Niagara Falls	3102-25	---	---	---	0.02	0.02	0.02	0.02	0.01	0.01	xxx	xxx

Lab results not received for 7097-01 for 2004 and 2005.

Footnotes for Region 9 lead data:

(Annual Means in parentheses are based on less than 75% available data)