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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
Babylon Suffolk 5150-02 0.064 0.057 0.075 0.059
Holtsville Suffolk 5151-10 0.054 0.053 0.06 0.053
Riverhead Suffolk 5155-01 0.062 0.06 0.075 0.062
CCNY New York 7093-25 0.058 0.052 0.073 0.057
Pfizer Lab Bronx 7094-10 0.061 0.052 0.074 0.061
IS 52 Bronx 7094-07 0.051 0.036 0.058 0.044
Queens College 2 Queens 7096-15 0.062 0.047 0.081 0.062
Susan Wagner Richmond 7097-01 0.07 0.064 0.08 0.058
White Plains Westchester 5902-04 0.062 0.062 0.069 0.065
Rockland County Rockland 4353-02 0.066 0.078 0.063 0.083
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
Valley Central Orange 3527-01 0.061 0.074 0.053 0.084
Millbrook Dutchess 1328-01 0.063 0.08 0.05 0.061
Mt. Ninham Putnam 3951-01 0.065 0.082 0.047 0.065
Loudonville Albany 0101-33 0.061 0.069 0.049 0.061
Stillwater Saratoga 4567-01 0.06 0.072 0.049 0.038
Whiteface Summit Essex 1567-03 0.061 0.058 0.035 0.034
Whiteface Base Essex 1567-04 0.067 0.063 0.043 0.034
Piseco Lake Hamilton 2050-01 0.061 0.061 0.042 0.041
Perch River Jefferson 2223-01 0.065 0.061 0.05 0.033
Nicks Lake Herkimer 2167-03 0.061 0.06 0.04 0.028
East Syracuse Onondaga 3353-09 0.062 0.068 0.043 0.04
Fulton Oswego 3754-01 0.063 0.065 0.04 0.035
Rochester 2 Monroe 2701-22 0.063 0.063 0.048 0.036
Williamson Wayne 5863-01 0.061 0.061 0.048 0.032
Pinnacle Steuben 5001-04 0.059 0.059 0.047 0.047
Amherst Erie 1451-03 0.071 0.076 0.043 0.058
Middleport Niagara 3120-02 0.067 0.069 0.039 0.028
Dunkirk Chautauqua 0601-04 0.07 0.078 0.041 0.055

This table, 2015 High Ozone Values (PDF) (25 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)