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| Date | Grid | Clue | Author |
|---|---|---|---|
| Sunday, July 15, 2012 | 105A | O-O-O | Randolph Ross |
| Sunday, April 15, 2012 | 138A | Protection around the world? | Kevin G. Der |
| Tuesday, April 19, 2011 | 64A | Upper atmosphere layer | Randall J. Hartman |
| Friday, February 12, 2010 | 30A | Thunderstorm product (3) | Kevin G. Der |
| Tuesday, November 10, 2009 | 24D | Form of oxygen with a sharp odor | Alan Arbesfeld |
| Sunday, July 19, 2009 | 92D | Radiation reducer | Lynn Lempel |
| Sunday, April 19, 2009 | 15D | Ultraviolet blocker | Will Nediger |
| Thursday, January 1, 2009 | 3D | O3 (2) | Alan Arbesfeld |
| Friday, December 19, 2008 | 45D | Gas with a penetrating odor | Natan Last |
| Wednesday, January 23, 2008 | 53D | A high flier may fly in it | Henry Hook |
| Sunday, September 16, 2007 | 111A | Ultraviolet filter | Mike Nothnagel |
| Tuesday, March 20, 2007 | 19A | Gas in a layer (2) | Laura A. Halper |
| Sunday, February 11, 2007 | 115D | Earth protector (2) | Mark Feldman |
| Saturday, October 14, 2006 | 46D | Ultraviolet light filter | Byron Walden |
| Tuesday, April 18, 2006 | 55D | Kind of layer protecting the earth | Pete Muller |
| Monday, December 26, 2005 | 28A | O3 (2) | Allan E. Parrish |
| Monday, March 21, 2005 | 22D | Atmosphere layer | Mike Torch |
| Tuesday, October 12, 2004 | 65A | Gas in a layer (2) | Nancy Kavanaugh |
| Tuesday, June 22, 2004 | 62A | Earth's ___ layer | Allan E. Parrish |
| Friday, February 21, 2003 | 20D | Thunderstorm residue | Patrick Berry |
| Wednesday, December 5, 2001 | 12D | Form of oxygen | Frances Hansen |
| Saturday, September 15, 2001 | 6D | Thunderstorm product (3) | Michael Shteyman |
| Sunday, April 29, 2001 | 49A | Ray blocker | Elizabeth C. Gorski |
| Monday, January 15, 2001 | 52D | Ultraviolet ray blocker | Janet R. Bender |
| Tuesday, December 5, 2000 | 14A | Odorous oxygen | Alan Arbesfeld |
| Saturday, December 2, 2000 | 31A | Kind of hole | David J. Kahn |
| Tuesday, October 24, 2000 | 49D | Layer with a hole in it | Alan Arbesfeld |
| Monday, January 24, 2000 | 33A | Contents of a sensitive layer | Randall J. Hartman |
| Monday, November 29, 1999 | 53D | Composition of an endangered layer | Richard Chisholm |
| Sunday, May 23, 1999 | 62A | Subject of environmentalist study | Harvey Estes and Nancy Salomon |
| Wednesday, August 26, 1998 | 49D | Earth protector (2) | A. J. Santora |
| Thursday, March 26, 1998 | 12D | Ultraviolet Index factor | Cathy Millhauser |
| Friday, January 23, 1998 | 7D | What CFC's deplete | Brendan Emmett Quigley |
| Tuesday, October 7, 1997 | 1A | Kind of layer (3) | Richard Hughes |
| Friday, September 19, 1997 | 63A | Thunderstorm product (3) | Rich Norris |
| Sunday, November 3, 1996 | 32A | Fresh air, slangily | M. Nosowsky |
| Friday, October 4, 1996 | 15A | Part of the stratosphere | M. Ashwood-Smith |
| Thursday, September 19, 1996 | 34A | Ultraviolet ray absorber (2) | W. S. Cotter |
| Sunday, July 14, 1996 | 36D | With 33-Down, polar phenomena | J. Schmalzbach |
| Sunday, June 9, 1996 | 22A | Kind of layer (3) | M. Gaffney |
| Sunday, May 12, 1996 | 46D | Stratosphere layer | R. Silvestri |
| Thursday, June 15, 1995 | 67A | Protective layer | Norma Steinberg |
| Sunday, May 21, 1995 | 70D | _____ hole (modern worry) | Dean Niles |
| Monday, February 20, 1995 | 6D | Layer in the atmosphere | Bernice Gordon |
| Wednesday, November 9, 1994 | 16A | Ultraviolet ray absorber (2) | Wayne Robert Williams |
| Friday, May 13, 1994 | 27D | Kind of layer (3) | Randolph Ross |
3 results for OZONE from Variety puzzles.
| Date | Type | Grid | Clue | Author |
|---|---|---|---|---|
| March 30, 2003 | cryptic | 28A | Wizard's land joined part of the upper atmosphere (5) | Peter Gordon |
| January 21, 2001 | cryptic | 23A | Where Toto went with somebody for fresh air (5) | Emily Cox and Henry Rathvon |
| November 1, 1998 | diagramless | 13D | Kind of layer | Frank Longo |
14 results for OZONE from older pre-Shortz puzzles.
| Date | Grid | Clue | Author | Editor |
|---|---|---|---|---|
| Thursday, May 13, 1993 | 56D | Jeopardized atmospheric layer | Jeanne Wilson | Maleska |
| Saturday, January 16, 1993 | 22A | Allotrope of oxygen | Jesse Roarke | Maleska |
| Friday, October 16, 1992 | 14A | Atmospheric layer | Calista Luminati | Maleska |
| Saturday, April 18, 1992 | 47D | Refreshing air | Ronald C. Hirschfield | Maleska |
| Tuesday, October 29, 1991 | 11D | Important celestial layer | William Canine | Maleska |
| Wednesday, January 23, 1991 | 31A | Clear, fresh air | Virginia Butler | Maleska |
| Tuesday, January 17, 1989 | 68A | Endangered layer | Don Groat | Maleska |
| Sunday, May 17, 1987 | 60A | Fresh air | Mary Virginia Orna | Maleska |
| Monday, April 21, 1986 | 30D | Fresh air | Sidney L. Robbins | Maleska |
| Monday, July 22, 1985 | 42A | Fresh air | Fred Toole | Maleska |
| Saturday, May 12, 1984 | 59A | Bluish gas | I. Judah Koolyk | Maleska |
| Friday, September 30, 1983 | 7D | "Fresh air" | William Lutwiniak | Maleska |
| Sunday, May 1, 1983 | 48D | Aura pura | Mary Virginia Orna | Maleska |
| Wednesday, March 16, 1983 | 2D | Fresh air | A. J. Santora | Maleska |