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High Ozone Values During 2014

8-Hour Averages

Values (in bold) below are maximum daily 8-hour ozone concentrations, measured in parts per million (ppm), exceeding the NEW federal standard of .075 ppm.

Note: The column labeled 4th Max indicates the 4th highest 8-hour average for all days to date, not just the "high" days listed.

Eight Hour Ozone Averages
Greater than 0.075 ppm for NYC Metro Area during 2014
Station County NY State ID 4th Max 26-May 27-May 17-Jun 7-Jul
Babylon Suffolk 5150-02 0.061 0.061 0.069 0.069 0.058
Holtsville Suffolk 5151-10 0.06 0.06 0.072 0.067 0.054
Riverhead Suffolk 5155-01 0.064 0.064 0.081 0.069 0.06
CCNY New York 7093-25 0.062 0.055 0.062 0.079 0.074
Pfizer Lab Bronx 7094-10 0.065 0.057 0.067 0.08 0.077
IS 52 Bronx 7094-07 0.06 0.055 0.061 0.074 0.079
Queens College 2 Queens 7096-15 0.058 0.058 0.057 0.065 0.077
Susan Wagner Richmond 7097-01 0.071 0.062 0.071 0.078 0.083
White Plains Westchester 5902-04 0.069 0.056 0.074 0.087 0.076
Eight Hour Ozone Averages
Greater than 0.075 ppm for Upstate NY during 2014
Station County NY State ID 4th Max 26-May 27-May 17-Jun 7-Jul
Rockland County Rockland 4353-02 0.06 0.056 0.07 0.065 0.066
Valley Central Orange 3527-01 0.058 0.054 0.059 0.06 0.062
Millbrook Dutchess 1328-01 0.062 0.052 0.065 0.071 0.065
Mt. Ninham Putnam 3951-01 0.058 0.051 0.061 0.069 0.061
Loudonville Albany 0101-33 0.061 0.061 0.055 0.061 0.047
Stillwater Saratoga 4567-01 0.061 0.062 0.061 0.054 0.047
Whiteface Summit Essex 1567-03 0.062 0.07 0.067 0.053 0.046
Whiteface Base Essex 1567-04 0.065 0.071 0.065 0.048 0.049
Piseco Lake Hamilton 2050-01 0.058 0.052 0.038 0.051 0.044
Perch River Jefferson 2223-01 0.058 0.076 0.065 0.052 0.048
Nicks Lake Herkimer 2167-03 0.057 0.07 0.057 0.047 0.03
East Syracuse Onondaga 3353-09 0.063 0.067 0.063 0.057 0.044
Fulton Oswego 3754-01 0.058 0.069 0.057 0.054 0.04
Rochester 2 Monroe 2701-22 0.057 0.069 0.055 0.053 0.05
Williamson Wayne 5863-01 0.064 0.076 0.064 0.054 0.049
Pinnacle Steuben 5001-04 0.058 NoData 0.041 0.029 0.044
Amherst Erie 1451-03 0.061 0.071 0.059 0.057 0.056
Middleport Niagara 3120-02 0.06 0.067 0.056 0.056 NoData
Dunkirk Chautauqua 0601-04 0.065 0.074 0.062 0.061 0.048

This table, 2014 High Ozone Values (PDF) (14 KB), is provided for your convenience.

Previous years:

2013 High Ozone Values (PDF) (18 KB)

2012 High Ozone Values (PDF) (44 KB)

2011 High Ozone Values (PDF) (23 KB)

2010 High Ozone Values (PDF) (24 KB)

2009 High Ozone Values (PDF) (28 KB)

2008 High Ozone Values (PDF) (28 KB)

2007 High Ozone Values (PDF) (33 KB)

2006 High Ozone Values (PDF) (22 KB)

2005 High Ozone Values (PDF) (24 KB)

For information about other monitored air pollutants and a comparison of monitored results to the appropriate NAAQS, you are encouraged to visit the data pages of our 2013 Ambient Air Quality Report (PDF) (452 KB)