Days Exceeding Standards 1998-2015

To view current exceedances, see Days Exceeding Ozone and Particulate Standards.

2015 Ozone Exceedance Days

2015 Particulate Matter Exceedance Days

One-Hour Standards Eight-Hour Standard PM10 24-Hour Standard PM 2.5 24-Hour Std.
State Count Daily Max Chart (Click to view) State Count Federal Count Daily Max Chart (Click to view) State Count Federal Count 24-Hour Chart (Click to view) Federal Count 24-Hour Chart (Click to view)
1  24-Mar-2015
2  31-Mar-2015
3  1-Apr-2015
4 2-Apr-2015
5 3-Apr-2015
6 14-Apr-2015
1 17-Apr-2015 7 17-Apr-2015
8 30-Apr-2015
9 27-Aug-2015
10 29-Aug-2015
11 8-Sep-2015
12 9-Sep-2015
13 19-Sep-2015
14 24-Sep-2015
15 10-Oct-2015
2 12-Oct-2015

 

2014 Ozone Exceedance Days

2014 Particulate Matter Exceedance Days

One-Hour Standards Eight-Hour Standard PM10 24-Hour Standard PM 2.5 24-Hour Std.
State Count Daily Max Chart (Click to view) State Count Federal Count Daily Max Chart (Click to view) State Count Federal Count 24-Hour Chart (Click to view) Federal Count 24-Hour Chart (Click to view)
1 13-Jan-2014
2 19-Jan-2014
3 20-Jan-2014
4 21-Jan-2014
5  23-Jan-2014
6  24-Jan-2014
7  25-Jan-2014
1  23-Feb-2014
8  07-Apr.2014
9  21-Apr-2014
10  22-Apr-2014
2 29-Apr-2014
1 02-May-2014 3 1 02-May-2014
11  10-May-2014
4 15-May-2014
12 16-May-2014
13 28-May-2014
14 30-Aug-2014
15 15-Sep-2014
16 16-Sep-2014
17 26-Sep-2014
18 02-Oct-2014
5 04-Oct-2014 19 04-Oct-2014
2 05-Oct-2014 6 2 05-Oct-2014
7 3 06-Oct-2014
8 07-Oct-2014
20 12-Oct-2014
21 21-Oct-2014
22 22-Oct-2014
9 23-Oct-2014
3 24-Oct-2014 10 4 24-Oct-2014
23 26-Oct-2014

 

2013 Ozone Exceedance Days

2013 Particulate Matter Exceedance Days

One-Hour Standards Eight-Hour Standard PM10 24-Hour Standard PM 2.5 24-Hour Std.
State Count Daily Max Chart (Click to view) State Count Federal Count Daily Max Chart (Click to view) State Count Federal Count 24-Hour Chart (Click to view) Federal Count 24-Hour Chart (Click to view)
1 08-Apr-2013
1 1 03-May-2013 2 03-May-2013
2 04-May-2013 3 05-May-2013
4 21-May-2013
5 22-May-2013
6 23-May-2013
7  30-May-2013
8  31-May-2013
9  01-Jun-2013
10  30-Jun-2013
11  04-Sep-2013
12  17-Sep-2013
13  18-Sep-2013
3  29-Sep-2013
14 03-Oct-2013
15  04-Oct-2013
16  04-Nov-2013
17  13-Nov-2013
18  30-Dec-2013

 

2012 Ozone Exceedance Days

2012 Particulate Matter Exceedance Days

One-Hour Standards Eight-Hour Standard PM10 24-Hour Standard PM 2.5 24-Hour Std.
State Count Daily Max Chart State Count Federal Count Daily Max Chart State Count Federal Count 24-Hour Chart Federal Count 24-Hour Chart
1 06-Mar-2012
2 04-Apr-2012
1 08-Apr-2012
2 08-May-2012
3 1 09-May-2012
3 18-May-2012
4 22-May-2012
5 23-May-2012
6 24-May-2012
7 05-Jun-2012
8 06-Jun-2012
9 07-Jun-2012
10 08-Jun-2012
11 09-Jun-2012
4 2 29-Aug-2012
5 17-Oct-2012
12 18-Oct-2012

 

2011 Ozone Exceedance Days

2011 Particulate Matter Exceedance Days

One-Hour Standards Eight-Hour Standard PM10 24-Hour Standard PM 2.5 24-Hour Std.
State Count Daily Max Chart State Count Federal Count Daily Max Chart State Count Federal Count 24-Hour Chart Federal Count 24-Hour Chart
1 06-Apr-2011
2 26-Apr-2011
3 29-Apr-2011
1 04-May-2011 1 1 04-May-2011
2 2 05 -May-2011
3 07 -Sep-2011
4 29-Oct-2011
5 02-Nov-2011
6 01-Dec-2011
7 02-Dec-2011
8 03-Dec-2011

 

2010 Ozone Exceedance Days

2010 Particulate Matter Exceedance Days

One-Hour Standards

Eight-Hour Standard

PM10 24-Hour Standard PM 2.5 24-Hour Std.
State
Count
Daily Max Chart State
Count
Federal
Count
Daily Max Chart State
Count
Federal
Count
24-Hour
Chart
Federal
Count
24-Hour
Chart
1 11-Apr-2010
2 5-May-2010
3 20-May-2010
4 21-May-2010
5 10-Jun-2010
6 11-Jun-2010
7 24-Aug-2010
1 1-Sep-2010
2 24-Sep-2010
3 1 25-Sep-2010
4 2 26-Sep-2010
5 27-Sep-2010 8 27-Sep-2010
6 3 28-Sep-2010 9 28-Sep-2010
7 4 29-Sep-2010 10 29-Sep-2010

 

2009 Ozone Exceedance Days

One Hour Standards

Eight Hour Standard

State Count

Daily Maximum Chart

State
Count

Federal Count

Daily Maximum Chart

1 18-Apr-2009
2 20-Apr-2009
3 21-Apr-2009
1 28-Aug-2009 4 1 28-Aug-2009
2 29-Aug-2009 5 2 29-Aug-2009
6 30-Aug-2009
7 3 3-Sep-2009
3 23-Sep-2009 8 4 23-Sep-2009
4 24-Sep-2009 9 5 24-Sep-2009
5 25-Sep-2009 10 6 25-Sep-2009

Santa Barbara County’s ozone season typically runs from April through October. Page down to see details on exceedances each year from 1998 to 2008. Tables for previous years include exceedances of the federal one-hour ozone standard, which was officially revoked on June 15, 2005.

2008 Ozone Exceedance Days

One Hour Standards

Eight Hour Standard

State Count

Daily Maximum Chart

State
Count

Federal Count

Daily Maximum Chart

1 11-Apr-2008
2 12-Apr-2008
3 17-Apr-2008
4 27-Apr-2008
5 2-May-2008
1 17-May-2008 6 1 17-May-2008
7

19-Jun-2008

8 2

20-Jun-2008

2

21-Jun-2008

9 3

21-Jun-2008

3

25-Jul-2008

10

25-Jul-2008

11 4

26-Jul-2008

4

09-Oct-2008

12

16-Oct-2008

 

2007 Ozone Exceedance Days

One Hour Standards

Eight Hour Standard

State Count

Daily Maximum Chart

State
Count

Federal Count

Daily Maximum Chart

1 13-Mar-2007
1 16-Mar-2007 2 16-Mar-2007
3 28-Apr-2007
4 7-May-2007
5 8-May-2007
6 9-May-2007
7 19-May-2007
8 13-Jun-2007
9 14-Jun-2007
10 15-Jun-2007
11 14-Aug-2007
12 17-Aug-2007
13 18-Aug-2007
14 21-Aug-2007
2 02-Sep-2007 15 02-Sep-2007
16 25-Sep-2007
17 26-Sep-2007
18

22-Oct-2007

3 23-Oct-2007 19 1

23-Oct-2007

 

2006 Ozone Exceedance Days

* The California 8-hour ozone standard became effective in May 2006

One Hour Standards Eight Hour Standard
State Count Daily Maximum Chart State Count Federal Count Daily Maximum Chart
1 20-Apr-2006
2 17-Jun-2006
3 21-Jun-2006
4 22-Jun-2006
5 23-Jun-2006
6 3-Jul-2006
7 16-Jul-2006
8 17-Jul-2006
9 21-Jul-2006
10 24-Jul-2006
11 25-Jul-2006
12 26-Jul-2006
13 07-Sep-2006
14 13-Sep-2006
15 17-Sep-2006
1 18-Sep-2006 16 18-Sep-2006

 

2005 Ozone Exceedance Days

The Federal 1-hour ozone standard was revoked in June 2005

One Hour Standards Eight Hour Standard
State Count Federal Count Daily Maximum Chart Federal Count Daily Maximum Chart
0 0 0

 

2004 Ozone Exceedance Days

One Hour Standards Eight Hour Standard
State Count Federal Count Daily Maximum Chart Federal Count Daily Maximum Chart
1 0 5-Sep-04 1 5-Sep-04
2 0 6-Sep-04 2 6-Sep-04

 

2003 Ozone Exceedance Days

One Hour Standards Eight Hour Standard
State Count Federal Count Daily Maximum Chart Federal Count Daily Maximum Chart
1 0 18-Jul-03 1 18-Jul-03
2 13-Sep-03
2 0 14-Sep-03
3 19-Sep-03
3 0 29-Sep-03
4 0 30-Sep-03
5 0 14-Oct-03 4 14-Oct-03
6 0 26-Oct-03 5 26-Oct-03
7 0 27-Oct-03

 

2002 Ozone Exceedance Days

One Hour Standards Eight Hour Standard
State Count Federal Count Daily Maximum Chart Federal Count Daily Maximum Chart
1 0 01-Apr-02 0
2 0 05-Jun-02 1 05-Jun-02
2 0 2 09-Aug-02
0 3 10-Aug-02
3 0 13-Aug-02 4 13-Aug-02
0 5 24-Sep-02

 

2001 Ozone Exceedance Days

One Hour Standards Eight Hour Standard
State Count Federal Count Daily Maximum Chart Federal Count Daily Maximum Chart

1

10-May-01

1

10-May-01

2

04-Jul-01

2

04-Jul-01

3

18-Aug-01

3

18-Aug-01

4

14-Oct-01

5

25-Oct-01

 

2000 Ozone Exceedance Days

One Hour Standards Eight Hour Standard
State Count Federal Count Daily Maximum Chart Federal Count Daily Maximum Chart

1

12-Apr-00

2

01-May-00

1

01-Jun-00

3

22-Jul-00

4

1

12-Aug-00

5

14-Aug-00

2

15-Aug-00

6

17-Sep-00

 

1999 Ozone Exceedance Days

One Hour Standards Eight Hour Standard
State Count Federal Count Daily Maximum Chart Federal Count Daily Maximum Chart

1

17-Jun-99

1

08-Jul-99

2

22-Aug-99

3

1

10-Oct-99

2

10-Oct-99

 

1998 Ozone Exceedance Days

One Hour Standards Eight Hour Standard
State Count Federal Count Daily Maximum Chart Federal Count Daily Maximum Chart

1

1

21-Apr-98

1

21-Apr-98

2

2

22-Apr-98

2

22-Apr-98

3

16-Jul-98

4

17-Jul-98

3

17-Jul-98

5

18-Jul-98

4

18-Jul-98

6

19-Jul-98

7

05-Aug-98

8

10-Aug-98

9

14-Aug-98

5

14-Aug-98

10

19-Aug-98

11

24-Aug-98

12

29-Aug-98

6

29-Aug-98

13

30-Aug-98

14

15-Sep-98

15

12-Oct-98

 

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