Region 1: EPA New England
2012 Ozone Exceedances
(Through September 30, 2012)
Below are the exceedances of the 0.075 parts per million (ppm) eight-hour average ozone standard, and the dates they occurred for each ozone monitor in New England. These data are preliminary, not quality assured and are subject to change.
| Connecticut | |||
|---|---|---|---|
| Monitor Location | Date | Concentration (ppm) | |
| Danbury East Hartford Middletown Staffordt |
09/13/12 09/13/12 09/13/12 09/13/12 |
0.076 0.079 0.081 0.085 |
Peak Ozone AQI |
| Greenwich Groton Madison Middletown New Haven Stratford Westport |
08/31/12 08/31/12 08/31/12 08/31/12 08/31/12 08/31/12 08/31/12 |
0.089 0.092 0.097 0.088 0.096 0.095 0.092 |
Peak Ozone AQI |
| Stratford | 08/24/12 | 0.081 | Peak Ozone AQI |
| Greenwich Middletown New Haven Westport |
08/23/12 08/23/12 08/23/12 08/23/12 |
0.077 0.079 0.076 0.077 |
Peak Ozone AQI |
| New Haven Stratford |
08/22/12 08/22/12 |
0.079 0.082 |
Peak Ozone AQI |
| Danbury East Hartford Greenwich Middletown Stafford Westport |
08/17/12 08/17/12 08/17/12 08/17/12 08/17/12 08/17/12 |
0.084 0.077 0.078 0.079 0.083 0.076 |
Peak Ozone AQI |
| Cornwall Danbury Middletown |
08/09/12 08/09/12 08/09/12 |
0.079 0.087 0.076 |
Peak Ozone AQI |
| Danbury | 08/08/12 | 0.078 | Peak Ozone AQI |
| Danbury Greenwich Madison Middletown Stratford Westport |
08/03/12 08/03/12 08/03/12 08/03/12 08/03/12 08/03/12 |
0.081 0.077 0.077 0.080 0.084 0.078 |
Peak Ozone AQI |
| Greenwich Groton Stratford |
08/02/12 08/02/12 08/02/12 |
0.081 0.077 0.078 |
Peak Ozone AQI |
| East Hartford Greenwich Middletown New Haven Stafford Westport |
07/26/12 07/26/12 07/26/12 07/26/12 07/26/12 07/26/12 |
0.076 0.080 0.079 0.081 0.083 0.080 |
Peak Ozone AQI |
| Greenwich Groton Madison New Haven Stratford Westport |
07/18/12 07/18/12 07/18/12 07/18/12 07/18/12 07/18/12 |
0.077 0.091 0.087 0.084 0.080 0.083 |
Peak Ozone AQI |
| Cornwall Danbury East Hartford Greenwich Middletown New Haven Stafford Stratford Westport |
07/17/12 07/17/12 07/17/12 07/17/12 07/17/12 07/17/12 07/17/12 07/17/12 07/17/12 |
0.079 0.085 0.091 0.095 0.098 0.081 0.096 0.087 0.093 |
Peak Ozone AQI |
| Greenwich Madison Middletown New Haven Stafford Stratford Westport |
07/14/12 07/14/12 07/14/12 07/14/12 07/14/12 07/14/12 07/14/12 |
0.079 0.086 0.085 0.090 0.076 0.088 0.086 |
Peak Ozone AQI |
| Cornwall Danbury East Hartford |
07/13/12 07/13/12 07/13/12 |
0.079 0.090 0.077 |
Peak Ozone AQI |
| Stafford | 07/12/12 | 0.076 | Peak Ozone AQI |
| Greenwich Westport |
07/06/12 07/06/12 |
0.076 0.077 |
Peak Ozone AQI |
| Madison New Haven Stratford |
07/04/12 07/04/12 07/04/12 |
0.078 0.078 0.078 |
Peak Ozone AQI |
| Greenwich Groton New Haven Stratford Westport |
07/01/12 07/01/12 07/01/12 07/01/12 07/01/12 |
0.080 0.076 0.089 0.093 0.091 |
Peak Ozone AQI |
| Groton Madison Stratford |
06/30/12 06/30/12 06/30/12 |
0.083 0.080 0.082 |
Peak Ozone AQI |
| Groton Madison Middletown New Haven Stratford Westport |
06/29/12 06/29/12 06/29/12 06/29/12 06/29/12 06/29/12 |
0.104 0.099 0.076 0.078 0.090 0.078 |
Peak Ozone AQI |
| Greenwich Madison Straford Westport |
06/28/12 06/28/12 06/28/12 06/28/12 |
0.088 0.076 0.084 0.084 |
Peak Ozone AQI |
| Greenwich Madison Middletown New Haven Stratford |
06/22/12 06/22/12 06/22/12 06/22/12 06/22/12 |
0.081 0.079 0.077 0.076 0.077 |
Peak Ozone AQI |
| Greenwich Groton Madison Middletown New Haven Stratford Westport |
06/21/12 06/21/12 06/21/12 06/21/12 06/21/12 06/21/12 06/21/12 |
0.082 0.082 0.090 0.078 0.076 0.089 0.082 |
Peak Ozone AQI |
| Greenwich Groton Madison Stratford Westport |
06/20/12 06/20/12 06/20/12 06/20/12 06/20/12 |
0.090 0.087 0.093 0.097 0.089 |
Peak Ozone AQI |
| Danbury Stafford |
05/13/12 05/13/12 |
0.077 0.086 |
Peak Ozone AQI |
| Stafford | 04/16/12 | 0.079 | Peak Ozone AQI |
| Maine | |||
| Monitor Location | Date | Concentration (ppm) | |
| Kennebunkport | 08/23/12 | 0.079 | Peak Ozone AQI |
| Cape Elizabeth Kennebunkport |
08/03/12 08/03/12 |
0.078 0.079 |
Peak Ozone AQI |
| Cape Elizabeth Kennebunkport West Buxton |
07/13/12 07/13/12 07/13/12 |
0.076 0.082 0.077 |
Peak Ozone AQI |
| Kennebunkport | 06/29/12 | 0.077 | Peak Ozone AQI |
| Massachusetts | |||
| Monitor Location | Date | Concentration (ppm) | |
| Ware | 09/13/12 | 0.076 | Peak Ozone AQI |
| Fall River Truro |
08/31/12 08/31/12 |
0.078 0.085 |
Peak Ozone AQI |
| Ware | 08/17/12 | 0.077 | Peak Ozone AQI |
| Haverhill | 08/09/12 | 0.079 | Peak Ozone AQI |
| Fall River | 07/18/12 | 0.080 | Peak Ozone AQI |
| Boston - Long Island Boston - Roxbury Chelmsford Chicopee East Milton Haverhill Lynn Newburyport Uxbridge Ware Worcester |
07/17/12 07/17/12 07/17/12 07/17/12 07/17/12 07/17/12 07/17/12 07/17/12 07/17/12 07/17/12 07/17/12 |
0.087 0.083 0.089 0.076 0.080 0.089 0.094 0.080 0.089 0.079 0.092 |
Peak Ozone AQI |
| Lynn | 07/15/12 | 0.076 | Peak Ozone AQI |
| Fall River Martha's Vineyard Truro |
07/14/12 07/14/12 07/14/12 |
0.077 0.084 0.077 |
Peak Ozone AQI |
| Amherst Chicopee Haverhill Newburyport |
07/13/12 07/13/12 07/13/12 07/13/12 |
0.082 0.084 0.079 0.080 |
Peak Ozone AQI |
| Martha's Vineyard | 07/07/12 | 0.076 | Peak Ozone AQI |
| Martha's Vineyard | 07/01/12 | 0.078 | Peak Ozone AQI |
| Fall River Martha's Vineyard Truro |
06/30/12 06/30/12 06/30/12 |
0.082 0.077 0.088 |
Peak Ozone AQI |
| East Milton Fall River Martha's Vineyard Truro |
06/29/12 06/29/12 06/29/12 06/29/12 |
0.078 0.090 0.083 0.079 |
Peak Ozone AQI |
| Fall River Martha's Vineyard Truro |
06/22/12 06/22/12 06/22/12 |
0.078 0.080 0.080 |
Peak Ozone AQI |
| Martha's Vineyard | 06/21/12 | 0.100 | Peak Ozone AQI |
| Martha's Vineyard Truro |
06/20/12 06/20/12 |
0.094 0.077 |
Peak Ozone AQI |
| Ware | 05/13/12 | 0.076 | Peak Ozone AQI |
| New Hampshire | |||
| Monitor Location | Date | Concentration (ppm) | |
| Miller State Park | 09/13/12 | 0.078 | Peak Ozone AQI |
| Odiorne State Park | 08/23/12 | 0.076 | Peak Ozone AQI |
| Londonderry Nashua |
07/17/12 07/17/12 |
0.082 0.085 |
Peak Ozone AQI |
| Londonderry Miller State Park Nashua Odiorne State Park Portsmouth |
07/13/12 07/13/12 07/13/12 07/13/12 07/13/12 |
0.077 0.078 0.079 0.078 0.083 |
Peak Ozone AQI |
| Rhode Island | |||
| Monitor Location | Date | Concentration (ppm) | |
| East Providence Narragansett West Greenwich |
08/31/12 08/31/12 08/31/12 |
0.093 0.084 0.078 |
Peak Ozone AQI |
| East Providence | 08/23/12 | 0.076 | Peak Ozone AQI |
| East Providence | 08/17/12 | 0.076 | Peak Ozone AQI |
| East Providence | 08/03/12 | 0.079 | Peak Ozone AQI |
| East Providence Narragansett |
07/18/12 07/18/12 |
0.077 0.082 |
Peak Ozone AQI |
| East Providence | 07/17/12 | 0.080 | Peak Ozone AQI |
| East Providence Narragansett |
07/14/12 07/14/12 |
0.079 0.081 |
Peak Ozone AQI |
| Narragansett | 06/30/12 | 0.086 | Peak Ozone AQI |
| East Providence Narragansett West Greenwich |
06/29/12 06/29/12 06/29/12 |
0.085 0.097 0.082 |
Peak Ozone AQI |
| East Providence | 06/22/12 | 0.076 | Peak Ozone AQI |
| Narragansett | 06/21/12 | 0.078 | Peak Ozone AQI |
| Narragansett | 06/20/12 | 0.081 | Peak Ozone AQI |
| Vermont | |||
| Monitor Location | Date | Concentration (ppm) | |
| None | None | None | None |
