NYC 9/11 Public Portal Document
NITRIC OXIDE & NITROGEN DIOXIDE - Continuous Chemiluminescence
NYSDEC Region 2
Metropolitan Air Quality Control Region
Annual Averages 1989 through 1999
Queens Sites Nitric Oxide - Annual Arithmetic Mean (ppm)
Station Site No. 1988 1990 1991 1992 1993 1994 1995 1996 1997 1.998 1999
Queensboro Comm. Coll. 7096-08 .019 .019
College Point P.O. 7096-09 .030 .034
Nitrogen Dioxide - Annual Arithmetic Mean (ppm) - Primary Standard
(12 month average not to exceed 0.05 PPM *)
Station Site No. 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999
Queensboro Comm. Coll. 7096-08 .027 .026
College Point P.O. 7096-09 .028 .029
Comparison Between N YS Ambient Air Quality and Ambient Air Quality Standards for Calendar Year 1999
Nitric Oxide One-Hour Averages Nitrogen Dioxide One-Hour Averages
Observations Hidiestyalues, PPM Observations Highest Values, PPM
% %
Station Site No. Total Avail P' •^nd
3"* Total Avail P' 2”^ 3rd
Queensboro Comm. 7096-08 7,503 86 .411 .399 .372 7,768 89 .095 .087 .083
CoU. [12/08, [12/03, [02/16, [07/29, [07/04, [05/29,
23] 09] 08] 13] 23] 22]
College Point P.O. 7096-09 7,468 85 .534 .519 .492 7,489 86 .114 .107 .105
[12/03, [12/03, [12/03, [12/03, [07/29, [04/19,
06] 09] 07] 10] 14] 12]
(Annual Means in parentheses are based on less than 75% available data) N=NAMS (National Air Monitoring Station) [Date of Occurrence, Hour]
*N€W York and Federal Ambient Air Quality Standard + Denotes a contravention of NYS/Federal AAQS
NYC-WTC_000186106
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