After Thursday and Friday's poor air quality, Saturday brings some relief to Beijing. Shortly after midnight, we should see PM2.5 levels begin to drop, and that trend will continue through the morning. We could see levels at Moderate or Good as early as about 6AM, and we should be seeing Good or Moderate air quality no later than 11AM or noon. Once the air clears, pollution levels should remain in the same range for the rest of the day.
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