折角、綺麗になってたのに北京に戻ったらいきなりこれだ!“@BeijingAir: 03-02-2013 12:00 to 03-03-2013 11:59; PM2.5 24hr avg; 103.7; 173; Unhealthy”
03-02-2013 12:00 to 03-03-2013 11:59; PM2.5 24hr avg; 103.7; 173; Unhealthy
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