TagAir Quality Monitors(75)
-
2025-05-06 21:3310th and Weller AQM Site — Aircraft Overhead
Two aircraft overhead above the 10th & Weller Air Quality Monitoring Station, May 2025. -
2025-04-12 22:18Puget Sound Clean Air activates North Sea-Tac Air Quality Monitoring Station
Take a tour of the first fixed-site UFP system near Sea-Tac Airport Puget Sound Clean Air Agency (PSCAA) recently activated the first fixed site air quality monitoring station near Sea-Tac Airport designed to monitor aviation emissions. As of this week it is now on-line and providing data! The station is the twin of a site -
2025-04-12 17:00PSCAA UFP Particle Size Comparison Diagram
EPA size chart showing ultrafine particles (UFP, <100nm) vs PM2.5 and PM10; one coarse particle equals 1,000,000 UFPs by mass. Standalone version of monitoring presentation slide. -
2025-04-11 20:31
PSCAA Air Quality Monitor SeaTac
-
2025-04-11 19:10PSCAA UFP Monitoring Update – Initial Data (Aug 2024)
First two weeks of monitoring from August 2024: particle concentrations show midday growth consistent with secondary formation; strong correlation with black carbon observed. -
2025-04-11 19:10PSCAA UFP Monitoring Update – Site Locations Map
Aerial map showing two SMPS monitoring sites: 10th & Weller community monitoring station in Seattle and Sunset Park (North Sea-Tac Park) near Sea-Tac Airport. -
2025-04-11 19:10PSCAA UFP Monitoring Update – Agency Monitoring Program
WA State funded $370,000 for PSCAA to deploy SMPS instruments at two sites near Sea-Tac: 10th & Weller and North Sea-Tac Park (Sunset Park), beginning summer 2024. -
2025-04-11 19:09PSCAA UFP Monitoring Update – Health Impacts
UFPs linked to respiratory effects, cardiovascular disease, and potential central nervous system impacts due to their ability to penetrate deep into lungs and enter the bloodstream. -
2025-04-11 19:09PSCAA UFP Monitoring Update – Sources of UFPs
Major UFP sources near monitoring sites: road traffic, shipping and aviation, and biomass burning. Aviation is specifically identified as a contributing source of ultrafine particles. -
2025-04-11 19:09PSCAA UFP Monitoring Update – Particle Size Comparison
EPA size chart: one coarse particle equals 1,000,000 UFPs by mass. UFPs at <100nm are far smaller than PM2.5 (2,500nm) or PM10 (10,000nm); able to penetrate deep into lung tissue.