The southwest Iranian city of Ahvaz walked away with the unfortunate distinction of having the highest measured level of airborne particles smaller than 10 micrometers.
伊朗西南部城市阿瓦士不幸成为空气最糟城市，该市空气中小于10微米的颗粒物含量是最高的。
The southwest Iranian city of Ahvaz walked away with the unfortunate distinction of having the highest measured level of airborne particles smaller than 10 micrometers.
伊朗西南部城市阿瓦士不幸成为空气最糟城市，该市空气中小于10微米的颗粒物含量是最高的。
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