Beijing's PM2.5 levels for Wednesday are looking very similar to Tuesday's. We should start off after midnight at Unhealthy or Very Unhealthy , then we should see rising levels into mid-morning when we have a chance of moving up into Hazardous . In late morning or early afternoon, we should see PM2.5 levels begin to fall. The graph shows some orange for Unhealthy for Sensitive Groups in the afternoon hours; although it is possible for levels to drop this far, it is not likely. We can expect similarly poor air quality for Thursday, but extended forecasts for Friday are showing a good chance for clear skies in the afternoon.
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