Well, short-term exposure to the particulates from the forest fires is manageable, doctors tell me.

医生告诉我，短期接触森林大火产生的微粒是可控的。

Which would also screen out particulate matter dangerous to human health.

该过滤器还可以筛选出危害人类健康的颗粒物。

This includes increased monitoring of particulate matter in the air.

包括监测空气中的悬浮颗粒物等。

She tells us that those tiny particulates can essentially create change of Brobdingnag in proportions across the globe.

她告诉我们，这些微小的微粒基本上可以在全球范围内造成布罗卜丁奈格变化。

In recent days, tests found that Northern Thailand had very high levels of airborne particulates known as PM2.5.

最近，测试显示，泰国北部空中悬浮微粒，即PM2。5的含量已达超高。

We block over 99 of particulate of the same size.

我们阻挡了九十九多个相同大小的颗粒物。

I know it's hot outside, but ACs can kind of bring in and concentrate some of those fine air particulates.

我知道外面很热，但是空调会把一些空气微粒吸进来并集中起来。

It urged more action to reduce particulate matter that damages lungs.

它敦促采取更多行动来减少损害肺部的颗粒物。

Particulate matter comes in various sizes.

颗粒物有各种大小。

Burning tires can release numerous harmful chemicals and gases into the environment, as well as particulates, said Lalit Dandona.

轮胎经过燃烧会释放大量有害化学物质、有害气体、颗粒到环境中，拉利特如是说道。

Because the particulates are so tiny, they can sneak past our body's natural defenses and get into our system.

因为这些微粒物质非常微小，它们可以偷偷越过我们身体的自然防御系统，从而进入我们内部的身体系统。

But County Health Director Christine Stinson says particulate matter is a concern.

但该县卫生主任克里斯汀·斯廷森表示，悬浮颗粒物是一个令人担忧的问题。

And one of the primary measurements for the Index is particulate matter 2.5.

该指数的主要测量指标之一是“颗粒物 2.5”。

Common combustion products include hydrocarbons, oxides of nitrogen and sulfur, ammonia and particulate matter.

常见的燃烧产物包括碳氢化合物、氮和硫的氧化物、氨和颗粒物。

She says one solution that might reduce black carbon emissions is gasoline particulate filters.

她表示，汽油颗粒过滤器可能是减少黑碳排放的解决方法。

Bush fires produce particulate matter pollution, which are airborne particles small enough to enter the lungs.

丛林大火会产生颗粒物污染，颗粒物是空气中的微小颗粒，可以进入肺部。

The researchers also looked at the amount of “fine particulate air pollution” in the Middle East.

研究人员还观察了中东地区大气细颗粒物污染指数。

In parts of the capital levels of fine particulate matter reached 30 times the limit deemed safe.

在首都的某些地方，大气细颗粒物的含量达到了最低安全指标的30倍。

Pollutants and small particulate matter landing on your plants can block sunlight, which is essential for photosynthesis.

污染物和小颗粒物质落在植物上会阻挡阳光，而阳光对光合作用至关重要。

On Tuesday, the air quality index came close to the level of 400 for tiny particulate matter.

周二，该市的空气质量指数（每立方米空气中微小颗粒物含量）接近400。