
A presentation slide from the Puget Sound Clean Air Agency's Air Quality Programs – UFP (Ultrafine Particles) program, dated October 2024, showing two weeks of air quality monitoring data collected at Seattle's 10th & Weller location in August. The slide displays size distribution (log scale), total UFP counts, PM2.5 concentrations, and wind speed/direction data, noting that particle counts correlate with black carbon but not strongly with PM2.5, and are sensitive to weather patterns.Open full document
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A presentation slide from the Puget Sound Clean Air Agency’s Air Quality Programs – UFP (Ultrafine Particles) program, dated October 2024, showing two weeks of air quality monitoring data collected at Seattle’s 10th & Weller location in August. The slide displays size distribution (log scale), total UFP counts, PM2.5 concentrations, and wind speed/direction data, noting that particle counts correlate with black carbon but not strongly with PM2.5, and are sensitive to weather patterns.