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High Ozone Values During 2017

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 2017
Station County NY State ID 4th Max 11 - Apr
Babylon Suffolk 5150-02 0.049 0.048
Holtsville Suffolk 5151-10 0.049 0.048
Riverhead Suffolk 5155-01 0.052 0.053
CCNY New York 7093-25 0.043 0.037
Pfizer Lab Bronx 7094-10 0.045 0.042
IS 52 Bronx 7094-07 0.043 0.037
Queens College 2 Queens 7096-15 0.045 0.043
Susan Wagner Richmond 7097-01 0.057 0.061
White Plains Westchester 5902-04 0.051 0.051
Rockland County Rockland 4353-02 0.053 0.059

Eight Hour Ozone Averages Greater than 0.070 ppm for Upstate NY during 2017
Station County NY State ID 4th Max 11 - Apr
Valley Central Orange 3527-01 0.053 0.062
Millbrook Dutchess 1328-01 0.055 0.071
Mt. Ninham Putnam 3951-01 0.054 0.070
Loudonville Albany 0101-33 0.054 0.064
Stillwater Saratoga 4567-01 0.055 0.066
Whiteface Summit Essex 1567-03 0.056 0.060
Whiteface Base Essex 1567-04 0.058 0.059
Piseco Lake Hamilton 2050-01 0.058 0.059
Perch River Jefferson 2223-01 0.055 0.050
Nicks Lake Herkimer 2167-03 0.048 N/A
East Syracuse Onondaga 3353-09 0.053 0.053
Fulton Oswego 3754-01 0.055 0.050
Rochester 2 Monroe 2701-22 0.052 0.049
Williamson Wayne 5863-01 0.053 0.051
Pinnacle Steuben 5001-04 0.048 0.048
Amherst Erie 1451-03 0.052 0.048
Middleport Niagara 3120-02 0.047 N/A
Dunkirk Chautauqua 0601-04 0.050 0.050

This table 2017 High Ozone Values (PDF) (16 KB), is provided for your convenience.

Previous years:

2016 High Ozone Values (PDF) (23 KB)

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)