Air quality is monitored for six pollutants: particulate matter, ground-level ozone, sulfur dioxide, nitrogen dioxide, carbon monoxide and lead.

空气质量监测包括颗粒物、地面臭氧、二氧化硫、二氧化氮、一氧化碳和铅六种污染物。

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。

The nation's government says this can happen when tiny particles of pollution scatter the sunlight during the day, and it's not a good idea to be outside in it as air quality monitors say it can cause serious health problems.

印度尼西亚政府表示，当微小的污染颗粒物在白天散射太阳光时，就会发生这种情况，根据空气质量检测，这种情况不适宜待在室外，会造成严重的健康问题。

Dozens of drones dispatched in a desperate attempt to battle toxic smog in Bangkok by spraying a water and molasses solution to catch air particles.

数十架无人机被派往曼谷，孤注一掷地试图通过喷洒水和捕捉空气颗粒物对抗有毒烟雾。

It currently has a clean air campaign in effect that aims to reduce dirty particles in the air by 30 percent between 2019 and 2024.

该政府目前正在进行一项清洁空气运动，旨在在2019年至2024年间将空气中的污染颗粒物减少30%。

Rocket engine exhaust contains gases and particles that can affect Earth's climate and ozone layer.

火箭发动机的尾气中含有能影响地球气候和臭氧层的气体和颗粒物。

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。

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

它敦促采取更多行动减少损害肺部的颗粒物。

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。

The PM2.5 measurement means the particles are 2.5 microns or less in diameter.

PM2.5的测量的意思是颗粒物的直径小于或等于2.5微米。

IQAir measures air pollution based on the presence of airborne particles that damage the lungs.

IQAir根据空气中含有的对肺部有害的颗粒物的浓度测量空气污染水平。

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”。

Since 3 November, the air quality index (AQI) — a measure of eight pollutants, including fine particulate matter, ozone and sulfur dioxide — in Delhi has remained consistently above 99. Anything above 150 is classified as unhealthy.

自 11 月 3 日以，德里的空气质量指数（AQI）一直保持在 99 以上，该指数是对细颗粒物、臭氧和二氧化硫等八种污染物的衡量。

In the past two weeks, there have been over 400 wildfires in Canada, nearly 250 of which that are still uncontrolled, which means they are dispersing a lot of fine particulate matter into the air.

在过去的两周里，加拿大发生了 400 多起野火，其中近 250 起仍未得到控制，也就是说，这些大火正在向空中扩散大量细颗粒物。

It said New Delhi saw a sharp 32 percent rise in tiny particles in the air between 2019 and 2020, a decrease of 44 percent in 2021, and a steady increase in 2022 and 2023.

该组织称，新德里空气中的微小颗粒物在2019年至2020年间急剧上升32%，2021年下降44%，2022年和2023年稳步上升。

And long-term exposure to air pollution — which the climate crisis can worsen by adding more particles from droughts or wildfires — has been linked with elevated anxiety and an increase in suicides.

长期暴露在空气污染中——干旱或野火带的更多颗粒物可能会使气候危机恶化——这也与焦虑加剧和自杀率上升有关。

Mr. Wehrum said the analyses the agency is conducting " illuminate the issue" of particulate matter and the question of what level is acceptable for the purposes of policymaking.

韦鲁姆说，该机构正在进行的分析“阐明了”颗粒物问题，也阐明了制定政策时怎样的水平才能被接受的问题。

And the truth is, yes, some particulate matter does come from electric stoves, but they're not combusting methane, which means you're not getting products like nitrogen dioxide.

事实上，是的，电灶确实会释放一些颗粒物，但它们并不燃烧甲烷，这意味着不会有像二氧化氮这样的产物。

Diesel engines, on the other hand, produce more Nitrogen Oxide and fine particulate matter in the form of soot, which is characterized by heavy black deposits.

另一方面，柴油发动机以烟灰的形式产生更多的氮氧化物和细颗粒物，其特征是大量的黑色沉积物。

Meanwhile, sand and dust storms swept across the provinces of Yunnan and Guizhou and the Guangxi Zhuang autonomous region, sending PM10 particle levels to dangerously high levels.

与此同时，沙尘暴席卷云南、贵州及广西壮族自治区，PM10颗粒物浓度飙升至危险水平。