THE PURPOSE OF THIS AMERICAN RESCUE PLAN FUNDED COOPERATIVE AGREEMENT IS TO PROVIDE ASSISTANCE TO :PUGET SOUND CLEAN AIR AGENCY (PSCAA) TO ADVANCE ENHANCED MONITORING OF PARTICULATE MATTER 2.5 (PM2.5) OR OTHER NATIONAL AMBIENT AIR QUALITY STANDARDS (NAAQS) POLLUTANTS IN AND NEAR COMMUNITIES IN KING AND PIERCE COUNTIES IN THE STATE OF WASHINGTON WITH ENVIRONMENTAL JUSTICE CONCERNS WHO FACE DISPROPORTIONATE EXPOSURE TO THESE POLLUTANTS AND HEALTH RISKS WHICH ARE ALSO ASSOCIATED WITH INCREASED VULNERABILITY TO COVID-19. ACTIVITIES:THESE ARP FUNDS WILL PRIMARILY BE USED TO REPLACE EXISTING FILTER-BASED MONITORS OR OTHERWISE ENHANCE EXISTING MONITORS IN AND NEAR THOSE COMMUNITIES TO PROVIDE 24/7, REAL-TIME REPORTING OF AIR QUALITY CONCENTRATIONS. THE FUNDS MAY BE USED TO ADDRESS OTHER CONSIDERATIONS IN AND NEAR COMMUNITIES WITH ENVIRONMENTAL JUSTICE CONCERNS INCLUDING UPGRADING OTHER NAAQS POLLUTANT MONITORING SITES, UPGRADING CERTAIN NAAQS GAS MONITORS AND/OR EQUIPMENT NOT MEETING PERFORMANCE OR COMPLETENESS GOALS, AND OTHER POSSIBLE MONITORING INVESTMENTS THAT STRENGTHEN AN AGENCY'S MONITORING NETWORK. SPECIFIC ACTIVITIES COULD INCLUDE BUT NOT LIMITED TO THE PURCHASE OF MONITORING EQUIPMENT AND SUPPLIES, THE PURCHASE OF AIR MONITORING SHELTERS, AND THE INSTALLATION OF AIR MONITORING EQUIPMENT AND SITES. OUTCOMES:OPERATION OF PM2.5 OR OTHER NAAQS POLLUTANT AIR MONITORING IN ACCORDANCE WITH ALL EPA REQUIREMENTS LEADING TO COLLECTION OF QUALITY ASSURED AMBIENT AIR QUALITY DATA TO HELP ENSURE THAT MORE AMERICANS ARE LIVING AND WORKING IN AREAS THAT MEET HIGH AIR QUALITY STANDARDS. FULL AUTOMATION OF PM2.5 MONITORS WILL PROVIDE ALL COMMUNITIES FINE PARTICULATE DATA OF THE SAME QUALITY AND ALLOW THEM TO COMPARE CONTINUOUS DATA STREAMS IN NEARBY AREAS. INTENDED BENEFICIARIES: DIRECT BENEFICIARIES OF THESE ACTIVITIES ARE COMMUNITY RESIDENTS WHO WILL HAVE DECREASED RISK OF ADVERSE HEALTH EFFECTS, INCLUDING CANCER AND NEUROLOGICAL EFFECTS. SUBRECIPIENT:NO SUBAWARDS ARE INCLUDED IN THIS ASSISTANCE AGREEMENT.