DEP: Annual Summary Information for Ozone
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Annual Summary Information for Ozone

*  Prior to 2008, the 8-hour ozone exceedance day tables reflect the 1997 NAAQS (84 ppb) and from 2008 forward, the tables reflect the 2008 NAAQS (75 ppb).
 
 
2009
2008
2007
2006
2005
2004
*8-hour Ozone  Exceedance Days
6 as of
September 7, 2009
 22
17
13
20
6
1-hour Ozone 
Exceedance Days
N/A
N/A
5
4
7
1
8-hour Ozone Daily Maximum Concentrations
1-hour Ozone Daily Maximum Concentrations
 
 
2003
 2002
2001
2000
1999
1998
*8-hour Ozone
Exceedance
 Days
14
36 
 26
15 
33 
25 
1-hour Ozone
Exceedance
Days 
6
13
9
3
11
5
8-hour Ozone
 Daily
 Maximum
Concentrations
1-hour Ozone
 Daily
 Maximum
 Concentrations
  April
May
June
July
August
Sept		 April
May
June
July
August
Sept 		 April
May
June
July
August
Sept 		 April
May
June
July
August
Sept 		  April
May
June
July
August
Sept
 
 
Content last updated on September 8, 2009






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