NY State air quality data tables, 1999-2001

NYC 9/11 Public Portal Document

OZONE - Continuous UV Light Absorption NYSDEC Region 2 Metropolitan Air Quality Control Region Annual Averages 1989 through 1999 Bronx and Brooklyn Sites Annual Arithmetic Mean (ppm) Station Site No. 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 IS 155 7094-03 .020 XXX .021 Morri sania — 7094-05 (.014) (.016) (-013) .018 .017 .019 .019 .021 .023 .019 Botanical (jardens 7094-06 .018 .018 .017 .015 .018 IS 52 7094-07 — .................. - — — .................- .007 Sampling at 7094-03 was terminated on 7/19/99 and commenced at 7094-07 on 10/27/99 Coingarisoii Betweeii^iyS AinbieiitAirQuaIitj;aiidAmbientAirQualityStandardsforCalendarYearl999

f Observations One Hour Averages Highest Values, PPM A"" Highest Daily Maximum 8-Hour Average - Not to exceed an avg of 0.08 ppm during the last 3 years * Total % >.12 Station Site No. Obs. Avail PPM 1“ 2^^ 3^^ 4111 1997 1998 1999 Avg IS 155 7094-03 2,953 84 0 .105 .104 .102 .090 .089 .079 .078 .082 [06/07, [07/03, [05/31, [07/06, [06/25] [05/16] [05/31] 14] 18] 15] 16] Morri sania 7094-05 5,095 84 1 .128+ .123 .114 .114 .089 .079 .086 .084 (Oper. 04/01 - [07/18, [04/16, [07/17, [07/16, [06/25] [05/16] [07/17] 12/10) 14] 13] 14] 14] Botanical Gardens 7094-06 8,579 98 2 .141+ .139+ .121 .117 .096 .066 .103 .088 + [07/18, [07/17, [07/16, [07/30, [06/21] [08/23] [07/30] 14] 15] 14] 14] IS 52 7094-07 1,536 97 0 .036 .035 .029 .027 .023 [11/10, [11/06, [11/07, [10/31, [11/02] 14] III III 111

(Annual Means in parentheses are based on less than 75% available data) N=NAMS (National Air Monitoring Station) [Date of Occurrence, Hour] *New York and Federal Ambient Air Quahty Standard + Denotes a contravention of Federal AAQS (Note: .08 PPM standard is not exceeded unless avg. Of 4®’ max 8-hr concentrations > .084 PPM)

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