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2009 PM 2.5 Exceedances
(Through December 9, 2009)
Below are the exceedances of the 35.5 ug/m3 24-hour average PM 2.5 standard and the dates they occurred for each continuous PM 2.5 monitor in New England. Data from these monitors are not used for official purposes such as determining if an areas meets the PM 2.5 standard. All data are preliminary and subject to change.
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Monitor Location |
Date |
Concentration (ug/m3) |
|
| Bridgeport | 08/17/09 | 36.7 | |
| Bridgeport | 04/26/09 | 37.1 | |
| Bridgeport | 03/15/09 | 46.4 | |
| Bridgeport | 03/07/09 | 39.7 | |
| Bridgeport | 02/11/09 | 39.3 | |
| Bridgeport Danbury New Haven |
02/07/09 02/07/09 02/07/09 |
45.1 40.5 35.5 |
|
| Bridgeport New Haven |
01/23/09 01/23/09 |
44.7 35.6 |
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Monitor Location |
Date |
Concentration (ug/m3) |
|
| Lewiston | 08/17/09 | 40.7 | |
| Bangor Portland |
02/02/09 02/02/09 |
35.7 38.0 |
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Monitor Location |
Date |
Concentration (ug/m3) |
|
| Springfield | 08/17/09 | 37.0 | |
| Springfield | 02/07/09 | 38.1 | |
| Springfield | 01/30/09 | 39.2 | |
| Springfield | 01/23/09 | 36.4 | |
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Monitor Location |
Date |
Concentration (ug/m3) |
|
| None | |||
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Monitor Location |
Date |
Concentration (ug/m3) |
|
| None | |||
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Monitor Location |
Date |
Concentration (ug/m3) |
|
| Rutland | 03/18/09 | 36.8 | |
| Rutland | 03/06/09 | 38.0 | |
| Rutland | 02/26/09 | 41.1 | |
| Rutland | 02/11/09 | 42.9 | |
| Rutland | 02/07/09 | 52.7 | |
| Rutland | 02/02/09 | 36.9 | |
| Rutland | 01/19/09 | 37.7 | |
| Rutland | 01/16/09 | 40.7 | |
| Rutland | 01/12/09 | 37.5 | |