--- title: Access Sensor Technologies' Blog | indoor description: indoor | Advice for collecting air samples using Access Sensor Technologies' Ultrasonic Personal Air Sampler (UPAS) and Home Health Box (HHB). --- [Skip to content](https://www.accsensors.com/blog/tag/indoor#main-content) [![AST](https://www.accsensors.com/hs-fs/hubfs/AST.jpg?width=2303&height=774&name=AST.jpg)](https://www.accsensors.com/) - [Products](https://www.accsensors.com/products) Show submenu for Products - [UPAS v2.1](https://www.accsensors.com/upasv2.1) - [UPAS v2.1 PLUS](https://www.accsensors.com/upasv2.1plus) - [UPAS v2.0](https://www.accsensors.com/upasv2.0) - [Home Health Box](https://www.accsensors.com/indoor_sampling) - [Inlets and Accessories](https://www.accsensors.com/accessories) - [UPAS Outdoor Enclosure](https://www.accsensors.com/upas_outdoor_enclosure) - [Sample Analysis Services](https://www.accsensors.com/sample_analysis) - Technical Resources Show submenu for Technical Resources - [Applications Blog](https://www.accsensors.com/blog) - [R Shiny Application](https://accsensors.shinyapps.io/shinyAST/) - [astr R Package](https://github.com/accsensors/astr) - [YouTube](https://www.youtube.com/channel/UCbbSB_ja8JY-xX90D94qyKA) - Contact Us Show submenu for Contact Us - [Request Free Demo](https://www.accsensors.com/freetrial) - [Request a Quote](https://www.accsensors.com/quote) - [Request Support](https://www.accsensors.com/support-request-form) - [Our Team](https://www.accsensors.com/about) - [Distributors](https://www.accsensors.com/distributors) Open main navigation Close main navigation - [Products](https://www.accsensors.com/products) Show submenu for Products - [UPAS v2.1](https://www.accsensors.com/upasv2.1) - [UPAS v2.1 PLUS](https://www.accsensors.com/upasv2.1plus) - [UPAS v2.0](https://www.accsensors.com/upasv2.0) - [Home Health Box](https://www.accsensors.com/indoor_sampling) - [Inlets and Accessories](https://www.accsensors.com/accessories) - [UPAS Outdoor Enclosure](https://www.accsensors.com/upas_outdoor_enclosure) - [Sample Analysis Services](https://www.accsensors.com/sample_analysis) - Technical Resources Show submenu for Technical Resources - [Applications Blog](https://www.accsensors.com/blog) - [R Shiny Application](https://accsensors.shinyapps.io/shinyAST/) - [astr R Package](https://github.com/accsensors/astr) - [YouTube](https://www.youtube.com/channel/UCbbSB_ja8JY-xX90D94qyKA) - Contact Us Show submenu for Contact Us - [Request Free Demo](https://www.accsensors.com/freetrial) - [Request a Quote](https://www.accsensors.com/quote) - [Request Support](https://www.accsensors.com/support-request-form) - [Our Team](https://www.accsensors.com/about) - [Distributors](https://www.accsensors.com/distributors) - [Try for Free](https://www.accsensors.com/freetrial) [Try for Free](https://www.accsensors.com/freetrial) # Air Sampling Made Simple Blog This is a search field with an auto-suggest feature attached. - There are no suggestions because the search field is empty. [![](https://www.accsensors.com/hubfs/IMG_0570%20Large-1.png)](https://www.accsensors.com/blog/the-nouns-and-verbs-of-indoor-air-quality) ## [The Nouns and Verbs of Indoor Air Quality](https://www.accsensors.com/blog/the-nouns-and-verbs-of-indoor-air-quality) ![Picture of Thomas Reilly](https://app.hubspot.com/settings/avatar/800cc6b0112e54f2e88c4f26c133c3dc) [Thomas Reilly](https://www.accsensors.com/blog/author/thomas-reilly) Nov 13, 2025, 9:53:33 AM We’ve just wrapped a multi-year effort to build, test, and validate a new way of taking indoor air m... [![A photograph of a snowy mountain landscape in Colorado](https://www.accsensors.com/hubfs/hut_img1.jpeg)](https://www.accsensors.com/blog/measuring-indoor-air-pollution-on-a-hut-trip-with-the-upas-v2) ## [Measuring Indoor Air Pollution on a Hut Trip with the UPAS v2.1 PLUS](https://www.accsensors.com/blog/measuring-indoor-air-pollution-on-a-hut-trip-with-the-upas-v2) ![Picture of Jessica Tryner](https://www.accsensors.com/hs-fs/hubfs/JT_20250309_square.jpeg?width=50&name=JT_20250309_square.jpeg) [Jessica Tryner](https://www.accsensors.com/blog/author/jessica-tryner) Jan 25, 2023, 7:54:32 PM Like many Coloradoans, the team members that make up Access Sensor Technologies’ engineering departm... ###### [Products](https://www.accsensors.com/products) [UPAS v2.1](https://www.accsensors.com/upasv2.1) [UPAS v2.1 PLUS](https://www.accsensors.com/upasv2.1plus) [UPAS v2.0](https://www.accsensors.com/upasv2.0) [Home Health Box](https://www.accsensors.com/indoor_sampling) [Inlets and Accessories](https://www.accsensors.com/accessories) [UPAS Outdoor Enclosure](https://www.accsensors.com/upas_outdoor_enclosure) [Sample Analysis](https://www.accsensors.com/sample-analysis) ###### Technical Resources [Applications Blog](https://www.accsensors.com/from-the-access-sensor-tech-team) [R Shiny Application](https://accsensors.shinyapps.io/shinyAST/) [astr R Package](https://github.com/accsensors/astr) [YouTube](https://www.youtube.com/channel/UCbbSB_ja8JY-xX90D94qyKA)       ###### Contact Us [Request a Free Demo](https://www.accsensors.com/freetrial) [Request a Quote](https://www.accsensors.com/quote) [Request Support](https://www.accsensors.com/support-request-form) [Our Team](https://www.accsensors.com/about) [Distributors](https://www.accsensors.com/en-us/distributors) [contact@accsensors.com](mailto:contact@accsensors.com)     ###### Legal [Privacy Policy](https://www.accsensors.com/privacypolicy) [Terms and Conditions](https://www.accsensors.com/termsanduse) [FCOI](https://www.accsensors.com/fcoi)         [linkedin-in icon](https://www.linkedin.com/company/access-sensor-technologies/mycompany/?viewAsMember=true) [Check out our YouTube channel.](https://www.youtube.com/channel/UCbbSB_ja8JY-xX90D94qyKA) [Link to our GitHub](https://github.com/accsensors) --- Access Sensor Technologies | 320 E Vine Dr. Ste. 221 | Fort Collins, CO 80524