Abstract: A building management system can include one or more computer-readable storage media. The one or more computer-readable store can have instructions stored thereon that, when executed by one or more processors, cause the one or more processors to obtain, from a regional air quality data source, a first set of outdoor air quality data, wherein the first set of outdoor air quality data represents air quality measured for a region, obtain, from one or more local sensors coupled to and/or positioned proximate to the building, a second set of outdoor air quality data, wherein the second set of outdoor air quality data represents air quality measurements at one or more positions at or near an exterior of the building, and generate, using the first set of outdoor air quality data and the second set of outdoor air quality data, an air quality assessment for the building.

Abstract: A pathogen detection system for a building includes a plurality of pathogen detectors positioned in the building at a plurality of locations, the plurality of pathogen detectors configured to output pathogen data indicating whether presence of a pathogen has been detected. The pathogen detection system further includes processing circuitry configured to obtain first detection data from a first pathogen detector of the plurality of pathogen detectors positioned at a first location in the building, in response to obtaining the first detection data, analyze second detection data from a second pathogen detector of the plurality of pathogen detectors, determine a responsive action associated with an area or zone of the building based on the first detection data and the second detection data, and perform the responsive action or initiate the responsive action within the area or zone.

Abstract: A building system for a building. The building system can include one or more memory devices. The one or more memory device can store instructions. The instructions, when executed by one or more processors, can cause the one or more processors to receive, from one or more sensors, air quality measurements associated with one or more spaces of the building, and generate, using the air quality measurements, a productivity score for at least one of the building or at least one space of the one or more spaces of the building. The productivity score can be based on a predicted productivity or effect on productivity of one or more occupants of the building in view of the air quality measurements.

Abstract: An example computing device includes a non-transitory machine-readable storage medium encoded with instructions and a processor to execute the instructions. The instructions are executable to detect a hardware configuration of the computing device by identifying hardware components within the computing device and determine an expected acoustic noise emission of the computing device based on the hardware configuration. The instructions are also executable to select a default operating mode of the computing device based on the hardware configuration and set the computing device to the default operating mode.

Abstract: Systems and methods for executing an IAQ analysis of a building. One system includes a controller including memory and one or more processors configured to obtain IAQ data from one or more sensors within the building, wherein the IAQ data is associated with at least one of a plurality of environment species, obtain BAS data, identify one or more unknown parameters from the IAQ data and BAS data of two or more of the plurality of environment species, estimate the one or more unknown parameters based on inputting the IAQ data and the BAS data into an optimization model, and wherein the optimization model analyzes predicted concentrations of the plurality of environment species subject to the two or more of the plurality of environment species evolving according to a single-species concentration model, and provide the estimated one or more unknown parameters to one or more predictive models.

Abstract: A building system of a building includes an in-zone plume control system located within a zone of the building, the in-zone plume control system including one or more return air inlets comprising openings to receive one or more air plumes generated by one or more users. The in-zone plume control system includes one or more exhaust outlets configured to exhaust the one or more air plumes, a filter, and a fan configured to draw the one or more air plumes in through the one or more return air inlets, through the filter, and out through the one or more exhaust outlets back into the zone, wherein the filter is configured to filter the one or more air plumes to remove particles from the one or more air plumes before returning the one or more air plumes to the zone.

Abstract: Systems and methods for particulate sensing of a building. Some embodiments relate to an air handling unit of an HVAC system of a building. The air handling unit includes a zone sensor configured to sample a first zone and measure a first particle disturbance of the first zone, an integrated sampling system includes one or more integrated sensors configured to measure a second particle disturbance of an outdoor air stream and a third particle disturbance of an indoor air stream. The air handling unit further includes an air handling unit controller configured to control operation of the air handling unit, responsive to comparing the second particle disturbance with at least one of the first particle disturbance or and the third particle disturbance.

Abstract: Systems and methods for particulate sensing of a building. Some embodiments relate to an air handling unit of an HVAC system of a building. The air handling unit includes ducting, one or more air dampers coupled to the ducting, and an integrated sampling system including piping coupled to at least one of the ducting or the one or more air dampers and configured to collect a plurality of air stream samples, a plurality of integrated sensors configured to measure the air stream sample, wherein a first integrated sensor is configured to measure a first species of the air stream sample, and wherein a second integrated sensor is configured to measure a second species of the air stream sample, and a processing circuit configured to estimate one or more air quality indicators of the air handling unit.

Abstract: Systems and methods for controlling building equipment based on an indoor air quality (IAQ) ventilation analysis of a building. One system includes a controller including memory and one or more processors configured to continuously collect IAQ data from one or more sensors within the building, estimate a plurality of outdoor airflow rates for an area of the building during a plurality of transient periods using the IAQ data as input, generate a time series outdoor airflow rate includes the plurality of estimated outdoor airflow rates, and modify a control strategy for the area of the building based on the time series outdoor airflow rate and a ventilation schedule for the area of the building.

Abstract: Systems and methods for executing an IAQ analysis of a building. One system includes a controller including memory and one or more processors configured to obtain IAQ data from one or more sensors within the building, wherein the IAQ data is associated with at least one of a plurality of environment species, obtain BAS data, identify one or more unknown parameters from the IAQ data and BAS data of two or more of the plurality of environment species, estimate the one or more unknown parameters based on inputting the IAQ data and the BAS data into an optimization model, and wherein the optimization model analyzes predicted concentrations of the plurality of environment species subject to the two or more of the plurality of environment species evolving according to a single-species concentration model, and provide the estimated one or more unknown parameters to one or more predictive models.

Abstract: A building system for a school building, the building system including one or more memory devices storing instructions thereon that, when executed by the one or more processors, cause the one or more processors to receive attendance data indicating whether occupants of the school building are present or absent from the school building, determine, based on the attendance data, an infection risk level of at least one of the school building, a space of the school building, or one or more of the occupants to being infected with an infectious disease present in a population, and perform one or more operations for causing the infection risk level to be reduced in the school building.

Abstract: A building system of a building operates to receive historical data values of the plurality of data points for a plurality of historical times, execute an artificial intelligence to generate a plurality of inference values of a data point for a plurality of future times based on the historical data values, generate user interface data causing a user device to display a graphic representation of the building including a selectable element providing selections of the plurality of historical times and the plurality of future times, receive a selection from the user device via the selectable element of a future time of the plurality of future times, and cause the user device to display the graphic representation of the building with a plurality of states based on the future data values.

Abstract: A building system of a building operates to store a digital twin of the building in the one or more storage devices, wherein the digital twin further includes an artificial intelligence configured to generate a plurality of inference values of a data point for a plurality of future times, the data point related to the building by the interrelationship of the digital twin. The building system operates to generate a recommendation based on the plurality of inference values for the data point for the plurality of future times, the recommendation recommending making one or more updates to the building, and cause a graphic representation of the building to display an indication of the recommendation.

Abstract: A building system of a building including one or more memory devices storing instructions thereon that, when executed by one or more processors, cause the one or more processors to receive water usage data from one or more network connected water valves, the water usage data indicating water usage by one or more occupants within the building. The instructions cause the one or more processors to derive one or more health metrics indicating physical health of the one or more occupants based on the water usage data and cause one or more pieces of building equipment to perform one or more operations based on values of the one or more health metrics, the one or more operations improving the physical health of the one or more occupants.

Abstract: A system can operate to receive building data for a plurality of buildings from one or more data sources. At least one building of the buildings can include building equipment. The system can operate to generate scores based on the building data for the buildings, the scores can indicate a level of potential building improvements for the buildings. The system can operate to select the building of the buildings based at least in part on the scores. The system can operate to perform an operation based at least in part on the score to generate data to improve control of the environmental condition of the building.

Abstract: An air handling unit of an HVAC system of a building including ducting through which airflow is controllably pushed by a supply fan of the HVAC system, at least one of a heating or cooling device within the ducting, an air handling unit controller configured to control operation of the at least one of the heating or cooling device within the ducting to generate condensation from air flowing through the air handling unit, and a collector tray placed within and/or integrated with the ducting below the at least one of the heating or cooling device and structured to collect the condensation, via gravity, for use in analysis of the condensation, wherein the at least one of the heating or cooling device, the air handling unit controller, and the collector tray are configured to collect the condensation including infectious disease particles from the air flowing through the air handling unit.

Abstract: A building system operates to receive air quality measurements of a plurality of spaces of the building from a mobile air quality sensor, the mobile air quality sensor configured to collect the air quality measurements of the plurality of spaces while the mobile air quality sensor moves throughout the plurality of spaces of the building and provide the collected air quality measurements to the one or more processors. The air quality measurements include data identifying locations and times at which the air quality measurements were collected The building system operates to cause the one or more processors to store information, or a link to the information, in a database based on the collected air quality measurements, the database including a contextual representation of the plurality of spaces of the building and perform at least one operation using the information based on the air quality measurements.

Abstract: A building system can connect to temporary air quality sensors installed throughout spaces of the building for a period of time. The building system can receive air quality measurements of the temporary air quality sensors over the period of time and disconnect from the temporary air quality sensors at an end of the period of time, wherein the temporary air quality sensors are uninstalled at the end of the period of time. The building system can generate a control strategy based on the air quality measurements, the control strategy for controlling equipment of the building to improve air quality of the building and cause a building management system to implement the control strategy to control the equipment of the building to improve the air quality of the building.

Abstract: A building system of a building includes an in-zone plume control system located within a zone of the building, the in-zone plume control system including one or more return air inlets comprising openings to receive one or more air plumes generated by one or more users. The in-zone plume control system includes one or more exhaust outlets configured to exhaust the one or more air plumes, a filter, and a fan configured to draw the one or more air plumes in through the one or more return air inlets, through the filter, and out through the one or more exhaust outlets back into the zone, wherein the filter is configured to filter the one or more air plumes to remove particles from the one or more air plumes before returning the one or more air plumes to the zone.

Abstract: A method for providing filtered air to a zone of a building includes operating an air handler to pass unfiltered air through a filter and output filtered air to the zone of the building. The method includes determining an amount of filtered air provided to the zone of the building by the air handler. The method includes determining if additional air filtration is required to satisfy at least one of a desired amount of clean airflow or a desired reduction of a risk of infection. The method includes activating an in-zone filtration device and operating the in-zone filtration device to draw air from the zone into an inner volume, filter the air, and recirculate the filtered air to the zone of the building in response to determining additional air filtration is required.