PM2.5 Forecast for Beijing - Wednesday, May 1, 2013

After two very good days for air quality and just in time for the holiday, Beijing's PM2.5 levels will be moving back up on Wednesday.  The pre-dawn hours should start off Moderate      or Unhealthy for Sensitive Groups     , and levels should continue to rise fairly steadily into Unhealthy      or Very Unhealthy      throughout the day.