Environment
Environment
City role: indirect
Air quality: the number of incidents in which the annual average concentration of particulate matter with a diameter smaller than 2.5 microns (PM 2.5) exceeds the primary federal standard for PM (currently 12 μg/m3) as measured by the closest public air quality monitoring station. Water quality: the percentage of right-of-way within Redmond city limits, by area, that is subject to basic water quality treatment.

Air quality.  Redmond and the region are in “attainment” for PM 2.5 under the federal Clean Air Act as long as average annual concentrations remain below the federal standard, which is currently 12 μg/m3. PM 2.5 concentrations are influenced by several factors including vehicle miles traveled (VMT), vehicle emissions technology, and fuel mix, so decisions made at the local level have limited impact. Nevertheless, PM 2.5 is an important measure to follow since it is one of the most harmful pollutants to human health.

Water quality.  The Public Works Department has established a goal to provide basic water quality treatment to 100 percent of City right-of-way by 2112. The 2030 target is derived from that goal, with the assumption that Redmond’s rights-of-way will receive basic treatment at a rate proportional to the rest of the city.

Source: Puget Sound Clean Air Agency, Public Works Department
Updated March 2014

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Contact:
Jeff Churchill
425-556-2492

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