![]() Deposition of acid aerosols and salts may increase corrosion of metals and impact plant tissue by corroding leaf surfaces and interfering with plant metabolism. Ěirborne particles can also impact vegetation and ecosystems and can cause damage to paints, building materials, and/or surfaces.PM-2.5 is considered to be an important visibility-reducing component of urban and regional haze. Particulate matter is the major cause of reduced visibility in many parts of the United States.PM-2.5 can be emitted directly (primary) or react in the air to form particles (secondary).PM-2.5 comes from a variety of sources included burning, fugitive dust, and biogenic sources (from plants).PM-2.5 is composed mainly of ammonium sulfate, ammonium nitrate, organic carbon, and smaller portions from elemental carbon and soil or crustal elements. ğine particulate matter (PM-2.5) is tiny liquid or solid particles with a diameter less than 2.5 micrometers.Keep windows closed overnight to prevent smoke from getting indoors and, if possible, run central air conditioning with MERV-13(or higher)-rated filters.ĮGLE also provides the following background on PM-2.5 on its website:.Reduce vehicle trips and vehicle idling as much as possible. ![]() Reduce or eliminate activities that contribute to air pollution, such as outdoor burning and use of residential wood-burning devices. ![]()
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