Data Validation Table
This database includes the latest measurements as well as historical data as far back as 1994. The latest measurements are raw
which means that the data have not yet passed through the complete data validation process.The Data Validation Table identifies validated data sets. All data are reported in Atlantic Standard Time (AST). Validated data sets are also available through the National Air Pollution Surveillance (NAPS) Network and through Nova Scotia's Open Data Portal.
| Station | Analyzer | Monitoring Period | Date of Last Validation |
|---|---|---|---|
| Aylesford | PM2.5 | 2007 to present | December 31, 2022 |
| Johnston | PM2.5 | 2006 to present | December 31, 2022 |
| Lake Major | PM2.5 | 2006 to present | December 31, 2022 |
| Pictou | PM2.5 | 2003 to present | December 31, 2022 |
| Port Hawkesbury | PM2.5 | 2007 to present | December 31, 2022 |
| Sable Island | PM2.5 | 2003 to 2015 | May 29, 2014 |
| Sydney | PM2.5 | 1998 to present | December 31, 2022 |
| Kentville | PM2.5 | 2016 to present | December 31, 2022 |
| Halifax | CO | 1990 to present | December 31, 2022 |
| Sydney | CO | 2005 to present | December 31, 2022 |
| Sable Island | H2S | 2003 to 2015 | October 9, 2012 |
| Aylesford | NO2 | 2007 to 2017 | April 24, 2017 |
| Halifax | NO2 | 1990 to present | December 31, 2022 |
| Lake Major | NO2 | 2006 to present | December 31, 2022 |
| Pictou | NO2 | 2008 to present | December 31, 2022 |
| Port Hawkesbury | NO2 | 2008 to present | December 31, 2022 |
| Sable Island | NO2 | 2003 to 2015 | May 8, 2014 |
| Sydney | NO2 | 2005 to present | December 31, 2022 |
| Kentville | NO2 | 2016 to present | December 31, 2022 |
| Aylesford | O3 | 1991 to present | December 31, 2022 |
| Halifax | O3 | 1990 to present | December 31, 2022 |
| Lake Major | O3 | 2006 to present | December 31, 2022 |
| Pictou | O3 | 2001 to present | December 31, 2022 |
| Port Hawkesbury | O3 | 2008 to present | December 31, 2022 |
| Sable Island | O3 | 2003 to 2015 | May 7, 2014 |
| Sydney | O3 | 2000 to present | December 31, 2022 |
| Kentville | O3 | 2016 to present | December 31, 2022 |
| Halifax | SO2 | 1990 to present | December 31, 2022 |
| Lake Major | SO2 | 2006 to present | December 31, 2022 |
| Port Hawkesbury | SO2 | 1994 to present | December 31, 2022 |
| Sable Island | SO2 | 2003 to 2015 | May 8, 2014 |
| Sydney | SO2 | 1974 to present | December 31, 2022 |
| Pictou | SO2 | 2016 to present | December 31, 2022 |
| Pictou | TRS | 2011 to present | December 31, 2022 |
Contact
Nova Scotia Environment
Air Quality Unit, Sustainability and Applied Science Division
Tel: 902-424-3600
Email: air@novascotia.ca