Explore daily SO₂ measurements from five Toronto sites on this interactive plot. Use the legend to toggle sites, and tools to adjust the view. The plot updates automatically each day and may take a moment to load.

To view the full datasets and in full screen, you can visit:

https://tame-bokeh.physics.utoronto.ca/pandora_GTA_SO2

For a deeper look at how SO₂ is analyzed using Pandora ground-based measurements, see: Fioletov, V. E., McLinden, C. A., Cede, A., Davies, J., Mihele, C., Netcheva, S., Li, S.-M., and O'Brien, J.: Sulfur dioxide (SO2) vertical column density measurements by Pandora spectrometer over the Canadian oil sands, Atmos. Meas. Tech., 9, 2961–2976, https://doi.org/10.5194/amt-9-2961-2016, 2016.