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High Ozone Values During 2015

8-Hour Averages

Values (in bold) below are maximum daily 8-hour ozone concentrations, measured in parts per million (ppm), exceeding the 2008 federal standard of 0.075 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 2015
Station County NY State ID 4th Max 8-May 11-Jun 12-Jun 13-Jul 20-Jul 28-Jul 29-Jul 1-Aug 15-Aug 16-Aug
Babylon Suffolk 5150-02 0.075 0.057 0.075 0.059 0.048 0.078 0.065 0.073 0.065 0.079 0.079
Holtsville Suffolk 5151-10 0.068 0.053 0.06 0.053 0.043 0.07 0.057 0.071 0.061 0.069 0.068
Riverhead Suffolk 5155-01 0.075 0.06 0.075 0.062 0.047 0.072 0.062 0.076 0.076 0.076 0.069
CCNY New York 7093-25 0.07 0.052 0.073 0.057 0.051 0.055 0.063 0.071 0.053 0.074 0.07
Pfizer Lab Bronx 7094-10 0.07 0.052 0.074 0.061 0.055 0.054 0.061 0.07 0.055 0.075 0.068
IS 52 Bronx 7094-07 0.062 0.036 0.058 0.044 0.04 0.054 0.059 0.063 0.056 0.073 0.063
Queens College 2 Queens 7096-15 0.068 0.047 0.081 0.062 0.046 0.063 0.065 0.064 0.061 0.076 0.073
Susan Wagner Richmond 7097-01 0.075 0.064 0.08 0.058 0.051 0.065 0.079 0.07 0.057 0.075 0.072
White Plains Westchester 5902-04 0.069 0.062 0.069 0.065 0.063 0.049 0.049 0.071 0.049 0.071 0.053
Rockland County Rockland 4353-02 0.069 0.078 0.063 0.083 0.079 0.045 0.047 0.05 0.046 0.053 0.042
Eight Hour Ozone Averages Greater than 0.075 ppm
for Upstate NY during 2015
Station County NY State ID 4th Max 8-May 11-Jun 12-Jun 13-Jul 20-Jul 28-Jul 29-Jul 1-Aug 15-Aug 16-Aug
Valley Central Orange 3527-01 0.062 0.074 0.053 0.084 0.074 0.043 0.041 0.047 0.042 0.052 0.04
Millbrook Dutchess 1328-01 0.064 0.08 0.05 0.061 0.06 0.039 0.035 0.046 0.04 0.055 0.038
Mt. Ninham Putnam 3951-01 0.065 0.082 0.047 0.065 0.06 0.043 0.042 0.046 0.046 0.056 0.042
Loudonville Albany 0101-33 0.061 0.069 0.049 0.061 0.051 0.037 0.044 0.049 0.039 0.049 0.041
Stillwater Saratoga 4567-01 0.06 0.072 0.049 0.038 0.045 0.034 0.037 0.053 0.036 0.041 0.036
Whiteface Summit Essex 1567-03 0.061 0.058 0.035 0.034 No Data 0.024 0.024 0.025 0.031 0.038 0.034
Whiteface Base Essex 1567-04 0.067 0.063 0.043 0.034 0.054 No Data No Data No Data No Data No Data No Data
Piseco Lake Hamilton 2050-01 0.061 0.061 0.042 0.041 0.049 0.038 0.034 0.04 0.036 0.042 0.037
Perch River Jefferson 2223-01 0.065 0.061 0.05 0.033 0.05 0.036 0.04 0.052 0.033 0.041 0.048
Nicks Lake Herkimer 2167-03 0.061 0.06 0.04 0.028 0.051 0.032 0.036 0.038 0.03 0.036 0.031
East Syracuse Onondaga 3353-09 0.062 0.068 0.043 0.04 0.05 0.041 0.05 0.048 0.035 0.046 0.048
Fulton Oswego 3754-01 0.063 0.065 0.04 0.035 0.052 0.037 0.041 0.045 0.031 0.042 0.039
Rochester 2 Monroe 2701-22 0.063 0.063 0.048 0.036 0.051 0.041 0.045 0.048 0.032 0.045 0.048
Williamson Wayne 5863-01 0.061 0.061 0.048 0.032 0.055 0.042 0.044 0.044 0.033 0.044 0.045
Pinnacle Steuben 5001-04 0.059 0.059 0.047 0.047 0.017 0.035 No Data No Data No Data 0.041 0.046
Amherst Erie 1451-03 0.071 0.076 0.043 0.058 0.059 0.047 0.06 0.056 0.037 0.05 0.061
Middleport Niagara 3120-02 0.067 0.069 0.039 0.028 0.043 0.034 0.045 0.049 0.034 0.042 0.051
Dunkirk Chautauqua 0601-04 0.07 0.078 0.041 0.055 0.056 0.042 0.052 0.065 0.042 0.051 0.059

This table, 2015 High Ozone Values (PDF) (14 KB), is provided for your convenience.

Previous years:

2014 High Ozone Values (PDF) (14 KB)

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 2014 Ambient Air Quality Report (PDF) (506 KB)