We're back to poor air quality in Beijing on Tuesday. We should see increasing PM2.5 levels overnight, but the weather forecasts we use for our predictions differ in the late morning and early afternoon. With the weather conditions of one forecast, we will see decreasing pollution through about 2PM, but with the conditions from the other forecast, we will see the pollution continue to increase during that time period. Then for the evening, we can expect gradual increases in the PM2.5 levels under either scenario.
EXTENDED FORECAST
WEDNESDAY, February 12: There is now a very good chance of decreased PM2.5 levels on Wednesday morning. It is possible that the AQI will drop to Good/Moderate, but that is not a given. In any event, we should see lower than average pollution through noon on Wednesday. Then in the afternoon and evening, we should see increasing pollution again.
THURSDAY, February 13: We're expecting poor air quality again on Thursday, although the current weather forecasts suggest the pollution will be about average for Beijing, somewhere in the Unhealthy range.
FRIDAY, February 14: The pollution on Friday should be higher than the day before, so we should expect average or somewhat worse than average air quality, between Unhealthy and Very Unhealthy.
UPDATE – Our prediction with overlay of actual readings:
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