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High Ozone Values During 2018

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 2018
Station County NY State ID 4th Max 2 - May
Babylon Suffolk 5150-02 0.055 0.069
Holtsville Suffolk 5151-10 0.054 0.070
Riverhead Suffolk 5155-01 0.056 0.072
CCNY New York 7093-25 0.052 0.066
Pfizer Lab Bronx 7094-10 0.053 0.067
IS 52 Bronx 7094-07 0.051 0.066
Queens College 2 Queens 7096-15 0.053 0.071
Susan Wagner Richmond 7097-01 0.055 0.065
White Plains Westchester 5902-04 0.056 0.072
Rockland County Rockland 4353-02 0.060 0.072

Eight Hour Ozone Averages Greater than 0.070 ppm for Upstate NY during 2018
Station County NY State ID 4th Max 2 - May
Valley Central Orange 3527-01 0.055 0.067
Millbrook Dutchess 1328-01 0.060 0.073
Mt. Ninham Putnam 3951-01 0.053 0.074
Loudonville Albany 0101-33 0.057 0.064
Stillwater Saratoga 4567-01 0.060 0.068
Whiteface Summit Essex 1567-03 0.059 0.066
Whiteface Base Essex 1567-04 0.061 0.066
Piseco Lake Hamilton 2050-01 0.054 0.066
Perch River Jefferson 2223-01 0.057 0.068
Nicks Lake Herkimer 2167-03 0.055 0.065
East Syracuse Onondaga 3353-09 0.058 0.066
Fulton Oswego 3754-01 0.055 0.063
Rochester 2 Monroe 2701-22 0.054 0.066
Williamson Wayne 5863-01 0.057 0.063
Pinnacle Steuben 5001-04 0.055 0.060
Amherst Erie 1451-03 0.055 0.065
Middleport Niagara 3120-02 0.055 0.064
Dunkirk Chautauqua 0601-04 0.058 0.066

This table 2018 High Ozone Values (PDF, 16 KB), is provided for your convenience.

Previous years:

2017 High Ozone Values (PDF, 16 KB),

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)