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Proximity Sensor System

A custom system of Bluetooth emitting beacons and signal loggers which provide an objective measure of proximity. The system can be used to help determine when someone is close to a stove or in a given area (e.g. kitchen), to help understand the drivers of exposure to air pollution.

Selected Examples of the Bluetooth Proximity Studies

Liao, J., McCracken, J.P., Piedrahita, R., Thompson, L., Mollinedo, E., Canuz, E., De Léon, O., Díaz-Artiga, A., Johnson, M., Clark, M., Pillarisetti, A., Kearns, K., Naeher, L., Steenland, K., Checkley, W., Peel, J., Clasen, T.F., 2019. The use of bluetooth low energy Beacon systems to estimate indirect personal exposure to household air pollution. J. Expo. Sci. Environ. Epidemiol. 1–11. https://doi.org/10.1038/s41370-019-0172-z

Piedrahita, R., Coffey, E.R., Hagar, Y., Kanyomse, E., Verploeg, K., Wiedinmyer, C., Dickinson, K.L., Oduro, A., Hannigan, M.P., 2019. Attributing Air Pollutant Exposure to Emission Sources with Proximity Sensing. Atmosphere 10, 395. https://doi.org/10.3390/atmos10070395

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Recent News From Berkeley AirFollow

Protecting health and climate through the facilitation of rigorous field-based cookstove testing, monitoring, and evaluation.

Berkeley Air
BerkeleyAirBerkeley Air@BerkeleyAir·
6h

Discover why modern energy cooking services are not your grandpa’s #electriccooking! Join @UKMECS Simon Batchelor & Ed Brown on Aug 23 at 14:00 UTC as they describe their progress and moving from research to scaled action. Register: http://ow.ly/13kV50KgcmT

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Retweet on TwitterBerkeley Air Retweeted
JuliaRaifmanJulia Raifman@JuliaRaifman·
8 Aug

Estimated duration of protection

One-way masking: 1.25 hours

Universal masking: 6.25 hours

We best get through the pandemic together, protecting those around us, especially in surges 💕

Thanks @CIDRAP

(pre-Omicron — so duration but not ratio reduced)

https://www.cidrap.umn.edu/news-perspective/2021/10/commentary-what-can-masks-do-part-1-science-behind-covid-19-protection

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