The concentrations of 70 micrograms per liter.

浓度为每升70微克。

The WHO recommends a reading of no more than five micrograms.

世界卫生组织建议读数不超过5微克。

The average measurement in Chad was 89.7.

乍得PM2.5平均测量值为89。7微克/方米。

Even a small amount (less than a microgram) is enough to kill a healthy adult.

仅仅很小量（小于一微克）就足以杀死一个健康成年人。

The Chinese city of Hotan was second, with 94.3 micrograms.

中国和田市位居第二，PM2.5浓度为94.3微克/方米。

Those cities both measured at over 92 micrograms.

这两个城市PM2.5浓度都超过了92微克/方米。

The city's average concentration of PM2.5 was 28 micrograms per cubic meter during the period.

在此期间，北京PM2.5平均浓度为每方米28微克。

This week, a high of more than 1,000 micrograms was recorded in one part of South Korea.

本周韩国一个地区创下了超过1000微克记录。

If you're trying to avoid wrinkles just know that 68 nanograms of Botox is lethal.

如果你想避免皱纹出现，只要知道68毫微克肉毒杆菌是致命。

For comparison, the annual U.S. budget would be enough to create only a few micrograms of antimatter.

相比之下，美国每年预算足以制造出几微克质。

The World Health Organisation considers a safe daily level to be 25 microgrammes per cubic metre.

世界卫生组织规定，日安全值为每方米25微克。

In Pakistan, the number was 73.7.

在巴基斯坦，2023年PM2.5浓度达到73.7微克/方米。

In India, New Delhi's measurement of 92.7 micrograms made it the most-polluted capital city.

在印度，新德里PM2.5浓度是92.7微克/方米，这使其成为污染最严重首都城市。

124 micrograms is all it takes to kill you, about the same weight as two human eyelashes.

仅 124 微克就可以致人死亡，也就相当于人类两根睫毛重量。

The average concentration of PM2.5 hazardous particles was 30 micrograms per cubic meter, down 9.1 percent year-on-year.

细颗粒（PM2.5）平均浓度为 30 微克/方米，同比下降 9.1%。

That compared with a 3 percent increased risk for every 3 microgram increase in non-wildfire particles.

相比之下，以非野火烟雾释放方式，颗粒每增加3微克，被诊断患有痴呆症风险就会增加3%。

U.S. Surgeon General Vivek Murthy is calling for a nationwide effort to fight misinformation about COVID-19 and vaccines.

美国卫生局局长维微克·穆尔西(Vivek Murthy)呼吁在全国打击有关新冠疫情和疫苗虚假信息。

Iraq was second at 80.1. Pakistan was third and Bahrain was fourth.

伊拉克排在第二位，为80.1微克/方米。巴基斯坦排名第三，巴林排名第四。

The city's average concentration of PM2.5 stood at 33 micrograms per cubic meter in the January to May period.

在 1 至 5 期间，北京 PM2.5 平均浓度为每方米 33 微克。

Once the metal is extracted, the micrograms are accumulated and stripped with acid.

一旦金属被提取出来，微克就会积累起来并用酸剥离。