| Station | Total Ozone | Surface Ozone | Ozone Sonde |
|---|---|---|---|
| Delhi | 1957 -2007 | 1980 -2007 | 1969 - 2007 |
| Pune | 1974-2007 | 1980 -2007 | 1966 - 2007 |
| Srinagar | 1957-1989 | 1980 -1988 | |
| Varanasi | 1963 - 2007 | 1980 -1996 | |
| Kodaikanal | 1957 -2005 | 1980 -2007 | |
| Thiruvanathapuram | 1992-2002 | 1969 -2007 | |
| Nagpur | 2005-2007 | ||
| Antarctica | 1989 - 2004 | 1991 - 2004 | 1987 - 2004 |