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    • J

      How are air quality pollutants pollutants measured?
      General Discussion • air pollution so2 measurement air quality • • jyscao

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      H

      We can see the anomaly in SO2 actual from the NASA data itself: https://so2.gsfc.nasa.gov/pix/special/time_sres/time_series.html

      This clearly shows some crazy spikes right then and there for Eastern Asia. Look at the scale, ffs, its off the charts:

      https://so2.gsfc.nasa.gov/pix/special/time_sres/china_so2pca_pbl_ts_plot.png

      And there's also a weird data hole around Feb 2 (0 everywhere).

      Doesn't mean we know what it was from, but it cannot be denied that there are/were crazy spikes in SO2 over that region recently.

    • AndiDuen

      Pin units (l/km^2) is questionable
      Your Feedback and Suggestions • units pin measurement percipitation rainfall • • AndiDuen

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      idefix37

      @AndiDuen
      In Thunderstorms layer, l/km2 means lightning per square kilometer.
      The amount of rain is in mm or in inches, but never mm/m2. Sometime one uses l/m2 (liter per square meter).
      10mm=10l/m2

    • G

      How to enter distance planning and measurement on Android app
      Your Feedback and Suggestions • distance measurement planning • • gilbertogaeta

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