https://www.purpleair.com/map 实时查看全球各个地点的 PM2.5 指数 (水城百事)

by 匿名, Tuesday, September 15, 2020, 21:41

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不用看也知道哪个国家最严重

by 匿名, Tuesday, September 15, 2020, 21:56 @ 匿名

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是美国的城市，当前全球最高，409

by 匿名, Tuesday, September 15, 2020, 22:05 @ 匿名

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不是409，是499，爆表值是500，这个NB

by 匿名, Tuesday, September 15, 2020, 22:07 @ 匿名

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中国从13年以来城市空气越来越好，已经回到90年代水平了

by 匿名, Tuesday, September 15, 2020, 22:36 @ 匿名

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我们那里真是山青水绿

by 匿名, Tuesday, September 15, 2020, 22:42 @ 匿名

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臭水沟基本看不到了

by 匿名, Wednesday, September 16, 2020, 09:05 @ 匿名

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那是。都和李子期视频里一样。青山不改，绿水长流。

by 匿名, Wednesday, September 16, 2020, 09:25 @ 匿名

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确实改善不少

by 匿名, Wednesday, September 16, 2020, 09:27 @ 匿名

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同感，2017年回国时感觉很不错，比10年前好。

by 匿名, Wednesday, September 16, 2020, 18:37 @ 匿名

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中国这些年的进步惊人，所以引起嫉妒

by 匿名, Wednesday, September 16, 2020, 18:48 @ 匿名

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