c***c
发帖数: 6234 | 1 AQI 就是air quality index。
http://www.cbsnews.com/8301-202_162-57563685/beijing-air-pollut
In the 24-hour period up to 10 a.m. Sunday, it said 18 of the hourly
readings were "beyond index." The highest number was 755, which corresponded
to a PM2.5 density of 886 micrograms per cubic meter. The U.S.
Environmental Protection Agency's air quality index goes up to only 500, and
the agency advises that anything greater than 300 would trigger a health
warning of "emergency conditions," with the entire population likely
affected.
这是美国的。
http://airnow.gov/index.cfm?action=airnow.main
再看看田纳西
真难想象500以上是啥概念。我回国从没病过。难道这次要完蛋？ | w***s
发帖数: 7132 | 2 一个评论还说:
MAGNUMDR says:So that's why we sent all of our factory jobs overseas.
我记得我在国内时去上海，上海的天还是蓝的，去年去上海，就是一直阴阴的了，明显
感觉污染大了。像我这种天生肺不好的人是不是还是呆国外算了…… |
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