https://www.openaeros.com/opencpcupdates daily 0.75 2026-06-30 https://images.squarespace-cdn.com/content/v1/62579e272c880b5f8d3ea3ae/bd429c3a-987a-4f7c-9493-b25513a582cb/5Z0A9988_edited.jpg https://www.openaeros.com/opencpcupdates/niosh-phase-1 monthly 0.5 2026-06-26 https://images.squarespace-cdn.com/content/v1/62579e272c880b5f8d3ea3ae/07a7b912-ffbb-4ba7-b15d-594ed49a5a2d/5Z0A0001_edited.jpg OpenCPC™ Updates - OpenCPC® Competes in NIOSH Challenge - Make it stand out OpenCPC®‍ ‍Prototype https://www.openaeros.com/opencpcupdates/introducing-open-cpc monthly 0.5 2026-06-29 https://images.squarespace-cdn.com/content/v1/62579e272c880b5f8d3ea3ae/07a7b912-ffbb-4ba7-b15d-594ed49a5a2d/5Z0A0001_edited.jpg OpenCPC™ Updates - Introducing the OpenCPC® A year ago, OpenAeros™ launched our cornerstone project: an investigation of what it would take to design and manufacture a truly open source, low-cost condensation particle counter (CPC). We see a broadly accessible CPC as a critical tool to meet today’s growing air quality and respiratory health crises. Today, OpenAeros™ is excited to announce that we have successfully designed and begun to manufacture the OpenCPC®. https://images.squarespace-cdn.com/content/v1/62579e272c880b5f8d3ea3ae/bd429c3a-987a-4f7c-9493-b25513a582cb/5Z0A9988_edited.jpg OpenCPC™ Updates - Introducing the OpenCPC® - Make it stand out An Alpha model OpenCPC® Prototype https://www.openaeros.com/opencpcupdates/eac2023 monthly 0.5 2026-06-29 https://www.openaeros.com/home daily 1.0 2026-06-29 https://images.squarespace-cdn.com/content/v1/62579e272c880b5f8d3ea3ae/7e415d28-f012-4fb5-8c7c-73c85c6a3684/CPC+for+Manual+--+Floating.jpg https://images.squarespace-cdn.com/content/v1/62579e272c880b5f8d3ea3ae/28276e90-7699-47e2-9bae-c5144a92bc67/taylor-van-riper-yQorCngxzwI-unsplash.jpg Home - OpenAeros™ develops cutting-edge solutions to respiratory threats. Founded to apply novel and critical solutions to air quality and respiratory health concerns, we make open source hardware designs for the world, so everyone can benefit from the work. We are for clean and safe air, transparency in measurement and development, and betterment through collaboration. We center equity in distribution, empowerment of today’s citizen scientists and professional engineers, and tools for a public engaged in addressing today’s air quality challenges. https://www.openaeros.com/contact-us daily 0.75 2026-06-29 https://images.squarespace-cdn.com/content/v1/62579e272c880b5f8d3ea3ae/27d2ea1d-3331-4dad-bb6f-cb925ea5381d/from+our+lab+to+yours%2C.png Contact Us https://www.openaeros.com/team daily 0.75 2026-07-01 https://images.squarespace-cdn.com/content/v1/62579e272c880b5f8d3ea3ae/496eec2e-e738-4621-849c-88d625804270/Untitled+design+%282%29.jpg Team https://images.squarespace-cdn.com/content/v1/62579e272c880b5f8d3ea3ae/cde46af8-8467-411c-8ea4-62c37c51e891/Untitled+design+%283%29.jpg Team https://images.squarespace-cdn.com/content/v1/62579e272c880b5f8d3ea3ae/50631c46-aabe-4ab2-b338-844abbfb2b2b/Untitled+design+%284%29.jpg Team https://images.squarespace-cdn.com/content/v1/62579e272c880b5f8d3ea3ae/db6b14d1-06f0-4df7-8245-fef7eebd3153/Untitled+design+%285%29.jpg Team https://images.squarespace-cdn.com/content/v1/62579e272c880b5f8d3ea3ae/a1ad06d3-86f2-4f8e-afd6-bd1b6e179499/P1092563.jpg Team - Aaron Collins Founder and President Tobias Keene, D.D.S. Hailing from Richmond, Virginia, Dr. Tobias Keene brings a bit of unabashed Southern hospitality to all his patients. He moved to Washington, D.C. over thirty years ago as a freshman at Ivy College. Right after graduation, he attended World University’s School of Dentistry. Before opening Keene Dental in 1994, he worked for free clinics and some of the finest practices in the District. He is part of the 123 Dental Association and stays up-to-date on the latest dental discoveries. When not striving to keep his patients happy and healthy, he’s enjoys hiking with his family in Rock Creek Park. https://www.openaeros.com/openrespirator daily 0.75 2026-06-29 https://images.squarespace-cdn.com/content/v1/62579e272c880b5f8d3ea3ae/c9ccde6b-e1fa-41dd-9a74-d282501b563a/Untitled+design.png https://images.squarespace-cdn.com/content/v1/62579e272c880b5f8d3ea3ae/7c620662-b24f-4cd2-b611-76e3992f1e85/longform.png https://images.squarespace-cdn.com/content/v1/62579e272c880b5f8d3ea3ae/90248125-fd9b-4ffd-b164-0215877fed71/documentation.jpg https://images.squarespace-cdn.com/content/v1/62579e272c880b5f8d3ea3ae/42ac442b-1dcf-43fe-84f9-e15afcf78b3e/OpenRespirator_Evolution.jpg https://www.openaeros.com/opencpc daily 0.75 2026-06-29 https://images.squarespace-cdn.com/content/v1/62579e272c880b5f8d3ea3ae/52dcb6eb-a03b-4f7b-9739-3ec6ae3e5939/5Z0A9988_edited.jpg OpenCPC™ https://images.squarespace-cdn.com/content/v1/62579e272c880b5f8d3ea3ae/e9c7024b-6863-440b-b0af-53e63331a3a3/ACS_0073.jpg OpenCPC™ https://images.squarespace-cdn.com/content/v1/62579e272c880b5f8d3ea3ae/8bc8f231-43e2-41ad-b017-c78f13c74139/Pink+and+black+Clean+Gradient+World+Mental+Health+Day+Video+Mock-up+Instagram+Post.jpg OpenCPC™ https://images.squarespace-cdn.com/content/v1/62579e272c880b5f8d3ea3ae/1746464915298-2670ZN6EKH5NO197QX24/unsplash-image-b18TRXc8UPQ.jpg OpenCPC™ https://images.squarespace-cdn.com/content/v1/62579e272c880b5f8d3ea3ae/1746464939714-ARN4X2AAFVZXTMSXYGUR/unsplash-image-XN4T2PVUUgk.jpg OpenCPC™ https://images.squarespace-cdn.com/content/v1/62579e272c880b5f8d3ea3ae/eb6d70fa-ad69-4dca-abf9-77ee06213660/OCPCMK1VCT.jpg https://images.squarespace-cdn.com/content/v1/62579e272c880b5f8d3ea3ae/2947d39f-c4f2-4cf4-b60f-23d040bb2105/OCPCmk1.png https://www.openaeros.com/opencpc-faq-and-open-sourcing daily 0.75 2026-06-29 https://images.squarespace-cdn.com/content/v1/62579e272c880b5f8d3ea3ae/a63bf322-89ee-4ac3-95ec-a1b027c5b95d/Black+and+White+Modern+Interior+Design+Bound+Document+%2810%29.png https://www.openaeros.com/opencpc-specifications-and-performance daily 0.75 2026-06-29 https://images.squarespace-cdn.com/content/v1/62579e272c880b5f8d3ea3ae/141a9eb2-30e3-462c-9c02-7c0132743342/Black+and+White+Modern+Interior+Design+Bound+Document+%2811%29.png https://www.openaeros.com/openrespirator-creative-cohort daily 0.75 2025-06-27 https://images.squarespace-cdn.com/content/v1/62579e272c880b5f8d3ea3ae/40b7da3d-9381-4d8c-87bd-d9a98008ba25/Respirator.png https://images.squarespace-cdn.com/content/v1/62579e272c880b5f8d3ea3ae/1029e3f0-4065-4ac1-84e7-b7f8aaaf1767/1.jpg https://images.squarespace-cdn.com/content/v1/62579e272c880b5f8d3ea3ae/fc369f62-ddc9-457d-8d5b-31e8e560ad84/2.jpg https://images.squarespace-cdn.com/content/v1/62579e272c880b5f8d3ea3ae/1fcfb274-038a-4312-8a52-9b0f525220ab/3.jpg https://www.openaeros.com/support-documents daily 0.75 2025-11-19 https://images.squarespace-cdn.com/content/v1/62579e272c880b5f8d3ea3ae/4b42c507-7c21-42c8-9aec-c6cee4537065/Manual+PDF+Link.jpg https://images.squarespace-cdn.com/content/v1/62579e272c880b5f8d3ea3ae/1746030161583-GE36KSGLSRJ2VRGTCMJR/unsplash-image-npxXWgQ33ZQ.jpg https://www.openaeros.com/opencpc/opensource daily 0.75 2025-04-30 https://www.openaeros.com/forum daily 0.75 2025-11-19 https://images.squarespace-cdn.com/content/v1/62579e272c880b5f8d3ea3ae/1746030161583-GE36KSGLSRJ2VRGTCMJR/unsplash-image-npxXWgQ33ZQ.jpg https://images.squarespace-cdn.com/content/v1/62579e272c880b5f8d3ea3ae/4e940fb4-3469-4d93-8fbc-2423c5df0010/Manual+PDF+Link.jpg https://www.openaeros.com/international-distributors daily 0.75 2026-06-29 https://images.squarespace-cdn.com/content/v1/5ec321c2af33de48734cc929/1607694583486-2PQT0LQ193RL7MCB6DX4/20140228_Trade+151_0046.jpg International Distributors https://www.openaeros.com/store daily 0.75 2025-01-31