| Type of Data | Availability |
|---|---|
| Total Ozone | 1957 - 2014 |
| Surface Ozone | 1980 - 2014 |
| Ozone sonde | 1969 - 2014 |
| Station | Total Ozone | Surface Ozone | Ozone Sonde |
|---|---|---|---|
| Delhi | 1957 -2013 | 1980 -2013 | 1969 - 2014 |
| Pune | 1974-2009 | 1980 -2014 | 1966 - 2014 |
| Srinagar | 1957-1989 | 1980 -1988 | |
| Varanasi | 1963 - 2014 | 1980 -1996 | |
| Kodaikanal | 1957 -2005 | 1980 -2013 | |
| Thiruvanathapuram | 1992-2013 | 1969 -2014 | |
| Nagpur | 2005-2013 | ||
| Antarctica | 1989 - 2007 | 1991 - 2013 | 1987 - 2012 |