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2009 Ozone Exceedances

(Through September 28, 2009)

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
top
Monitor Location
Date
Concentration (ppm)
 
Groton
Stafford
08/18/09
08/18/09
0.083
0.079
Ozone Animation and Peak Ozone AQI
Westport
Stratford
Madison
08/17/09
08/17/09
08/17/09
0.085
0.081
0.079
Ozone Animation and Peak Ozone AQI
Stratford
Westport
Greenwich
08/15/09
08/15/09
08/15/09
0.084
0.082
0.079
Ozone Animation and Peak Ozone AQI
Danbury 07/16/09 0.076 Ozone Animation and Peak Ozone AQI
Danbury
Stafford
05/22/09
05/22/09
0.083
0.081
Ozone Animation and Peak Ozone AQI
E. Hartford
Middletown
Stafford
04/28/09
04/28/09
04/28/09
0.076
0.081
0.082
Ozone Animation and Peak Ozone AQI
Maine
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Monitor Location
Date
Concentration (ppm)
 
Kennebunkport
Port Clyde
Cape Elizabeth
Acadia NP - McFarland
Acadia NP - Cadillac
08/18/09
08/18/09
08/18/09
08/18/09
08/18/09
0.087
0.085
0.085
0.077
0.077
Ozone Animation and Peak Ozone AQI
Kennebunkport 05/22/09 0.076 Ozone Animation and Peak Ozone AQI
Acadia NP - Cadillac
Acadia NP - McFarland
Cape Elizabeth
Holden
Jonesport
Port Clyde
05/21/09
05/21/09
05/21/09
05/21/09
05/21/09
05/21/09
0.085
0.086
0.081
0.077
0.084
0.085
Ozone Animation and Peak Ozone AQI
Massachusetts
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Monitor Location
Date
Concentration (ppm)
 
Martha's Vineyard
Truro
08/26/09
08/26/09
0.078
0.078
Ozone Animation and Peak Ozone AQI
Chicopee 08/20/09 0.078 Ozone Animation and Peak Ozone AQI
Truro
Worcester
Fairhaven
Blue Hill
Lynn
08/18/09
08/18/09
08/18/09
08/18/09
08/18/09
0.082
0.081
0.079
0.076
0.076
Ozone Animation and Peak Ozone AQI
Adams
Boston - Long Island
Newbury
Stow
Ware
Worcester
05/21/09
05/21/09
05/21/09
05/21/09
05/21/09
05/21/09
0.079
0.076
0.077
0.078
0.076
0.080
Ozone Animation and Peak Ozone AQI
Blue Hill
Boston - Long Island
Stow
Uxbridge
Worcester
04/28/09
04/28/09
04/28/09
04/28/09
04/28/09
0.081
0.081
0.077
0.087
0.077
Ozone Animation and Peak Ozone AQI
Amherst
Chicopee
Ware
04/27/09
04/27/09
04/27/09
0.076
0.077
0.079
Ozone Animation and Peak Ozone AQI
Ware 04/25/09 0.077 Ozone Animation and Peak Ozone AQI
New Hampshire
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Monitor Location
Date
Concentration (ppm)
 
Odiorne State Park
Portsmouth
08/18/09
08/18/09
0.084
0.077
Ozone Animation and Peak Ozone AQI
Rye 05/22/09 0.076 Ozone Animation and Peak Ozone AQI
Rhode Island
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Monitor Location
Date
Concentration (ppm)
 
E. Providence 04/28/09 0.076 Ozone Animation and Peak Ozone AQI
Vermont
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Monitor Location
Date
Concentration (ppm)
 
None

Serving Connecticut, Maine, Massachusetts, New Hampshire, Rhode Island, Vermont, & Tribal Nations


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