Periodically remove the indoor dust and bacteria, and clean up with damp cloth or wet mop, disinfect the air filter processing, reasonable regulation of the air quantity, replacement of fresh air.

定期清除室内的粉尘及微生物，清理卫生时最好用湿布或湿拖把，对空气过滤器进行消毒处理，合理调节风量，更换新鲜空气。

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In contrast to the EPA's regulatory activity of outdoor air pollutants, there is little in the way of regulation of indoor pollutants.

对照EPA室外空气污染的法规活动，几乎在室内污染的法规上无所作为。

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At the other end of the list are cities in Canada and the United States, which benefit from lower population density, favorable climates and stricter air pollution regulation.

污染最轻的是美国和加拿大的城市，原因是它们的人口密度低，气候怡人，并且空气污染管理规定非常严格。

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The debate over air pollution and, more specifically, the regulation of air pollution, raged on this week as the Environmental Protection Agency (EPA) watered down its cross-state pollution rule and House Republicans moved to delay new rules on toxic air pollution from cement plants, solid waste incinerators, and industrial boilers.

FORBES: Two New Reasons to Worry about Air Pollution: Obesity and Diabetes

Moreover, regulation of CO2 under the Clean Air Act would open a Pandora's box of enforcement questions, which would bring at least one certainty: lawsuits.

FORBES: Climate

When viewed through the public health lens, the economic arguments against regulation of air pollution begin to unravel, particularly in the face of rising healthcare costs.

FORBES: Two New Reasons to Worry about Air Pollution: Obesity and Diabetes