数値は悪いけど、目で見た感じは薄い青空で東京都心と同じような感じです。“@BeijingAir: 11-18-2014 07:00; PM2.5; 39.0; 110; Unhealthy for Sensitive Groups・・”
11-18-2014 07:00; PM2.5; 39.0; 110; Unhealthy for Sensitive Groups (at 24-hour exposure at this level)
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