Our air quality now suffers from the effects of pollutants emitted directly from our cars.

我们空气质量一直受到汽车排放污染物影响。

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。

That's not necessarily a problem, except it means more and more pollutants are discharged into the rivers.

那并不一定是个问题，不过那意味着越来越多污染被排放到河流之中。

Many air pollutants also cause global warming.

许多空气污染物也会球变暖。

At one point, the level of pollutants in Delhi's air was almost 40 times what the World Health Organization deemed safe.

根据世界卫生组织对安定，新德里污染是该标准40倍。

Things are not as bad as they once were, but according to the American Lung Association, Los Angeles is still the worst city in the United States for levels of pollutants.

虽然情况已经不像以前那么糟糕了，但是根据美国肺脏协会，洛杉矶仍然是美国污染物水平最高城市。

These are pollutants or particles derived from human activity, or dust from other continents.

这些污染物或颗粒来自人类活动或其他大陆上灰尘。

Previously, scientists noticed pollutants arriving in the Arctic with the wind.

以前，科学家注意到有随着风抵达北极污染物。

Much of the reduction in pollutants came from measures to control coal-fired boilers, provide cleaner domestic fuels and industrial restructuring.

通过控制使用燃煤锅炉，更加清洁国内燃料，并调整产业结构可以大幅减少污染。

However, environmentalists and the EPA say that PVC production releases dioxins and pollutants, and you could be exposed to them by inhaling polluted air near manufacturing facilities.

然而，环保人士和美国环保署表示，PVC生产会释放二恶英和污染物，你可能会通过吸入生产设施附近污染空气而接触到它们。

But right now, there's not much wind to blow pollutants away.

但是，没有足够风来吹走空气中污染物。

These are amounts of substances, or pollutants, within something.

它们是某物内物质或污染物含量。

A monitor industrial pollutants rigorously. Right? Strictly.

严格监控工业污染物。

Different regions need to respond with unique regulations that account for their local pollutants.

不同地区必须要用各自适用法规来因应，处理他们当地污染物。

Although humans may be able to stabilize man-made pollutants, it might take decades.

虽然人类也许能稳定人造污染物，但可能需要花费几十年。

In many parts of the world, a deep breath also brings pollutants into our bodies.

世界许多地区，深呼吸还会将污染物带进身体。

Delhi's 24-hour air quality index measures the concentration of harmful pollutants.

德里24小时空气质量指数衡量有害污染物浓度。

Irritability is the carbon monoxide of emotional pollutants.

易怒就是一种情绪污染物一氧化碳。

There is evidence to show that plants can remove pollutants from indoor air.

有证据表明植物是可以清除室内空气中污染物。

Where agricultural and industrial pollutants have accumulated for decades.

几十年来农业和工业污染物这里积累。