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

2015 Ozone Exceedance Days

2015 Particulate Matter Exceedance Days

One-Hour StandardsEight-Hour StandardPM10 24-Hour StandardPM 2.5 24-Hour Std.
State CountDaily Max Chart (Click to view)State CountFederal CountDaily Max Chart (Click to view)State CountFederal Count24-Hour Chart (Click to view)Federal Count24-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
117-Apr-2015717-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
1510-Oct-2015
212-Oct-2015

 

2014 Ozone Exceedance Days

2014 Particulate Matter Exceedance Days

One-Hour StandardsEight-Hour StandardPM10 24-Hour StandardPM 2.5 24-Hour Std.
State CountDaily Max Chart (Click to view)State CountFederal CountDaily Max Chart (Click to view)State CountFederal Count24-Hour Chart (Click to view)Federal Count24-Hour Chart (Click to view)
113-Jan-2014
219-Jan-2014
320-Jan-2014
421-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
229-Apr-2014
1 02-May-20143102-May-2014
11 10-May-2014
415-May-2014
1216-May-2014
1328-May-2014
1430-Aug-2014
1515-Sep-2014
1616-Sep-2014
1726-Sep-2014
1802-Oct-2014
504-Oct-20141904-Oct-2014
205-Oct-20146205-Oct-2014
7306-Oct-2014
807-Oct-2014
2012-Oct-2014
2121-Oct-2014
2222-Oct-2014
923-Oct-2014
324-Oct-201410424-Oct-2014
2326-Oct-2014

 

2013 Ozone Exceedance Days

2013 Particulate Matter Exceedance Days

One-Hour StandardsEight-Hour StandardPM10 24-Hour StandardPM 2.5 24-Hour Std.
State CountDaily Max Chart (Click to view)State CountFederal CountDaily Max Chart (Click to view)State CountFederal Count24-Hour Chart (Click to view)Federal Count24-Hour Chart (Click to view)
108-Apr-2013
1103-May-2013203-May-2013
204-May-2013305-May-2013
421-May-2013
522-May-2013
623-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
1403-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 StandardsEight-Hour StandardPM10 24-Hour StandardPM 2.5 24-Hour Std.
State CountDaily Max ChartState CountFederal CountDaily Max ChartState CountFederal Count24-Hour ChartFederal Count24-Hour Chart
106-Mar-2012
204-Apr-2012
108-Apr-2012
208-May-2012
3109-May-2012
318-May-2012
422-May-2012
523-May-2012
624-May-2012
705-Jun-2012
806-Jun-2012
907-Jun-2012
1008-Jun-2012
1109-Jun-2012
4229-Aug-2012
517-Oct-2012
1218-Oct-2012

 

2011 Ozone Exceedance Days

2011 Particulate Matter Exceedance Days

One-Hour StandardsEight-Hour StandardPM10 24-Hour StandardPM 2.5 24-Hour Std.
State CountDaily Max ChartState CountFederal CountDaily Max ChartState CountFederal Count24-Hour ChartFederal Count24-Hour Chart
106-Apr-2011
226-Apr-2011
329-Apr-2011
104-May-20111104-May-2011
2205 -May-2011
307 -Sep-2011
429-Oct-2011
502-Nov-2011
601-Dec-2011
702-Dec-2011
803-Dec-2011

 

2010 Ozone Exceedance Days

2010 Particulate Matter Exceedance Days

One-Hour Standards

Eight-Hour Standard

PM10 24-Hour StandardPM 2.5 24-Hour Std.
State
Count
Daily Max ChartState
Count
Federal
Count
Daily Max ChartState
Count
Federal
Count
24-Hour
Chart
Federal
Count
24-Hour
Chart
111-Apr-2010
25-May-2010
320-May-2010
421-May-2010
510-Jun-2010
611-Jun-2010
724-Aug-2010
11-Sep-2010
224-Sep-2010
3125-Sep-2010
4226-Sep-2010
527-Sep-2010827-Sep-2010
6328-Sep-2010928-Sep-2010
7429-Sep-20101029-Sep-2010

 

2009 Ozone Exceedance Days

One Hour Standards

Eight Hour Standard

State Count

Daily Maximum Chart

State
Count

Federal Count

Daily Maximum Chart

118-Apr-2009
220-Apr-2009
321-Apr-2009
128-Aug-20094128-Aug-2009
229-Aug-20095229-Aug-2009
630-Aug-2009
733-Sep-2009
323-Sep-20098423-Sep-2009
424-Sep-20099524-Sep-2009
525-Sep-200910625-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

111-Apr-2008
212-Apr-2008
317-Apr-2008
427-Apr-2008
52-May-2008
117-May-20086117-May-2008
7

19-Jun-2008

82

20-Jun-2008

2

21-Jun-2008

93

21-Jun-2008

3

25-Jul-2008

10

25-Jul-2008

114

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

113-Mar-2007
116-Mar-2007216-Mar-2007
328-Apr-2007
47-May-2007
58-May-2007
69-May-2007
719-May-2007
813-Jun-2007
914-Jun-2007
1015-Jun-2007
1114-Aug-2007
1217-Aug-2007
1318-Aug-2007
1421-Aug-2007
202-Sep-20071502-Sep-2007
1625-Sep-2007
1726-Sep-2007
18

22-Oct-2007

323-Oct-2007191

23-Oct-2007

 

2006 Ozone Exceedance Days

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

One Hour StandardsEight Hour Standard
State CountDaily Maximum ChartState CountFederal CountDaily Maximum Chart
120-Apr-2006
217-Jun-2006
321-Jun-2006
422-Jun-2006
523-Jun-2006
63-Jul-2006
716-Jul-2006
817-Jul-2006
921-Jul-2006
1024-Jul-2006
1125-Jul-2006
1226-Jul-2006
1307-Sep-2006
1413-Sep-2006
1517-Sep-2006
118-Sep-20061618-Sep-2006

 

2005 Ozone Exceedance Days

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

One Hour StandardsEight Hour Standard
State CountFederal CountDaily Maximum ChartFederal CountDaily Maximum Chart
000

 

2004 Ozone Exceedance Days

One Hour StandardsEight Hour Standard
State CountFederal CountDaily Maximum ChartFederal CountDaily Maximum Chart
105-Sep-0415-Sep-04
206-Sep-0426-Sep-04

 

2003 Ozone Exceedance Days

One Hour StandardsEight Hour Standard
State CountFederal CountDaily Maximum ChartFederal CountDaily Maximum Chart
1018-Jul-03118-Jul-03
213-Sep-03
2014-Sep-03
319-Sep-03
3029-Sep-03
4030-Sep-03
5014-Oct-03414-Oct-03
6026-Oct-03526-Oct-03
7027-Oct-03

 

2002 Ozone Exceedance Days

One Hour StandardsEight Hour Standard
State CountFederal CountDaily Maximum ChartFederal CountDaily Maximum Chart
10 01-Apr-020
20 05-Jun-02105-Jun-02
20209-Aug-02
0310-Aug-02
3013-Aug-02413-Aug-02
0524-Sep-02

 

2001 Ozone Exceedance Days

One Hour StandardsEight Hour Standard
State CountFederal CountDaily Maximum ChartFederal CountDaily 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 StandardsEight Hour Standard
State CountFederal CountDaily Maximum ChartFederal CountDaily 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 StandardsEight Hour Standard
State CountFederal CountDaily Maximum ChartFederal CountDaily 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 StandardsEight Hour Standard
State CountFederal CountDaily Maximum ChartFederal CountDaily 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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