Friday, October 11, 2013

PM2.5 Forecast for Beijing - Saturday, October 12, 2013

Our forecast for Saturday has a fairly wide range, but we're faced with weather forecasts that present two different scenarios our air quality.  In the first scenario, we would see reasonably strong winds that will clear out the PM2.5 through the early morning and give us Good or Moderate air quality by late morning or noon.  From there, the weather would shift and we would see the pollution accumulate again.  Under the second scenario, the early morning conditions would reduce PM2.5 levels a bit but would not drop the levels out of Unhealthy.  From there the increases in PM2.5 would move us back up into Very Unhealthy before midnight.  If we have to choose the most likely outcome, it appears that the first scenario is slightly more likely, so there is a reasonable chance that we will see some decent air quality for a few hours tomorrow.   

UPDATE - Here's how the day played out: 


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