Air quality data source summary
The following table should be used as a general guide when using and interpreting the data. You should directly consult with the provider of any data source for a detailed assessment of each source’s quality, accuracy and use.
Where we provide access to data either through reporting summaries or data download, we do not recommend treating all the sources as comparable when interpreting against any hypothesis or use case.
| Source | Rate of capture | Accuracy level |
|---|---|---|
| Source Reference Monitoring Station |
Rate of capture Up to every 15 minutes |
Accuracy level High |
| Source Diffusion Tubes |
Rate of capture Monthly/Bi monthly trend |
Accuracy level Indicative for long term trends |
| Source Sensors |
Rate of capture Variable but can be high frequency, e.g. up to 20 minutes |
Accuracy level Indicative |
Please note that some data sets may be adjusted annually following ratification or bias adjustment.
