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High Ozone Values During 2016

8-Hour Averages

Values (in bold) below are maximum daily 8-hour ozone concentrations, measured in parts per million (ppm), exceeding the 2015 federal standard of 0.070 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 0.070 ppm
for NYC Metro Area during 2016
Station County NY State ID 4th Max 24-May 25-May
Babylon Suffolk 5150-02 0.042 0.085
Holtsville Suffolk 5151-10 0.035 0.081
Riverhead Suffolk 5155-01 0.039 0.085
CCNY New York 7093-25 0.037 0.078
Pfizer Lab Bronx 7094-10 0.036 0.079
IS 52 Bronx 7094-07 0.037 0.082
Queens College 2 Queens 7096-15 0.035 0.083
Susan Wagner Richmond 7097-01 0.041 0.086
White Plains Westchester 5902-04 0.038 0.082
Rockland County Rockland 4353-02 0.044 0.078

Eight Hour Ozone Averages Greater than 0.070 ppm
for Upstate NY during 2016
Station County NY State ID 4th Max 24-May 25-May
Valley Central Orange 3527-01 0.043 0.074
Millbrook Dutchess 1328-01 0.009 0.071
Mt. Ninham Putnam 3951-01 0.044 0.079
Loudonville Albany 0101-33 0.036 0.076
Stillwater Saratoga 4567-01 0.033 0.076
Whiteface Summit Essex 1567-03 0.07 0.071
Whiteface Base Essex 1567-04 0.069 0.074
Piseco Lake Hamilton 2050-01 0.056 0.074
Perch River Jefferson 2223-01 0.071 0.077
Nicks Lake Herkimer 2167-03 0.054 0.073
East Syracuse Onondaga 3353-09 0.067 0.077
Fulton Oswego 3754-01 0.069 0.071
Rochester 2 Monroe 2701-22 0.074 0.077
Williamson Wayne 5863-01 0.076 0.081
Pinnacle Steuben 5001-04 0.073 0.069
Amherst Erie 1451-03 0.075 0.081
Middleport Niagara 3120-02 0.073 0.076
Dunkirk Chautauqua 0601-04 0.069 0.082

This table, 2016 High Ozone Values (PDF) (12 KB), is provided for your convenience.

Previous years:

2015 High Ozone Values (PDF) (31 KB)

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)