An environmental sampling and assay system, having a coupon storage assembly, storing coupons; an environment sampling assembly, the sampling assembly mixing an environmental sample with a liquid to create a sample-liquid, bearing the environmental sample; a coupon moving assembly; a coupon wetting assembly for automatically wetting a coupon with the sample-liquid; a coupon perceiving device; a data input, adapted to receive a signal; and a data processing and control assembly, controlling the environmental sampling system, the coupon moving assembly, the wetting assembly and the coupon perceiving device. Further, the coupon moving assembly can retrieve a coupon from the coupon storage assembly and move it in a linear manner to the coupon wetting assembly.

An air detection system is provided and includes an intelligent device and an internet of things processing device. The intelligent device includes an inlet, an outlet, a gas-flowing channel, a control module and a gas detection module. The gas-flowing channel is disposed between the inlet and the outlet. The control module is disposed in the intelligent device and includes a processor and a transmission unit. The gas detection module is disposed in the gas-flowing channel and electrically connected to the control module. The gas detection module includes a piezoelectric actuator and at least one sensor. The piezoelectric actuator inhales gas into the gas-flowing channel through the inlet and discharges the gas through the outlet. The sensor detects the introduced gas to obtain gas information and transmits the gas information to the control module. The internet of things processing device is connected to the transmission unit of the intelligent device for receiving the gas information.

A method of air quality notification is disclosed. The method includes steps of providing a portable air quality monitoring device for monitoring air quality. The portable air quality monitoring device monitors the ambient air quality at a location in a monitoring period of time to generate a monitoring data, and has a GPS component to generate a position data of the location, both of them can be integrated as a notification data and delivered. A cloud data processing device is provided for receiving the notification data delivered from the portable air quality monitoring device, wherein the notification data is processed, calculated and converted to generate a push data, and the push data is delivered at a push period through a push notification service. A notification receiving device is provided for receiving the push data delivered from the cloud data processing device, so as to display the push data immediately.

Modular docking station and methods for sampling and monitoring gas and other fluids, where a sampling device is able to be removably attached to the docking station, thereby allowing the sampling device to be replaced without having to remove or disconnect the docking station from the rest of the sampling system. This allows the docking station to remain connected to the rest of the system with minimal or no interruption and reduces maintenance costs and time when replacing the sampling device.

The present subject disclosure discloses devices, systems, and methods related to collection and recovery of Aerosols and Bioaerosols for analysis. The system includes an omni-directional inlet assembly that is easily removed for decontamination and can be replaced with an already clean inlet assembly or with directional inlets or other tools for collection from animal breathing zones, air ducts, air nearing moving vehicles and other sampling scenarios. Further, the system includes other features that enable the device to be lower in cost than other similar systems while providing improved usability and performance.

A particle detector including at least one channel intended to receive at least one fluid comprising particles and configured to receive at least one light beam emitted by a light source. The particle detector further including at least one photodetector network configured such that at least some photodetectors receive light beams emitted by the source and scattered by the particles present in the channel. The detector further comprises at least one optical system, each optical system s associated with a photodetector network and has at least one image focal plane and an optical axis. The detector is configured such that the image focal plane of the optical system is optically coupled to the photodetector network.

A particulate matter sensor including a light source, a photodetector, and a particle filter. The light source and the photodetector are arranged in the same plane as the particle filter. Integrated particulate matter sensors are operable to detect particulate matter by measuring an optical characteristic of a filter.

A system for detecting airborne pathogens includes a pathogen collector having a surface area for pathogens to engage with and accumulate on the surface area of the collector; an electrochemical sensor for electrochemically detecting pathogens accumulated on the surface area of the pathogen collector, the electrochemical sensor comprising an electrode and a reactive substance selected to electrochemically react with the pathogens; and a pump for generating an air flow. The system is configured such that the generated air flow moves pathogens in ambient air towards and/or along the surface area of the pathogen collector such that pathogens engage and accumulate on the surface area of the pathogen collector. The system is further configured such that the reactive substance of the electrochemical sensor electrochemically reacts with the accumulated pathogens. In response to the electrochemical reaction, the electrochemical sensor's electrode detects an electronic signal that is indicative of a presence of the pathogens.

An atmospheric pollution emission control effect evaluation method, device and storage medium, including: carrying out meteorological condition frequency statistics of data collected from meteorological station, obtaining meteorological condition frequency distribution information; obtaining pollutant concentration information, performing pollutant concentration distribution statistics to obtain pollution concentration distribution information and pollution concentration variation information; decomposing effects of meteorological factors and non-meteorological factors according to meteorological condition frequency distribution information, pollution concentration distribution information and pollution concentration variation information, to obtain meteorological and non-meteorological contribution information; constructing source emission control effect evaluation data set according to meteorological condition frequency distribution information, pollution concentration distribution information, meteorological and non-meteorological contribution information. Accordingly, emission control effect can be quantitatively evaluated based on observation data. Emission increasing effect and contribution of meteorological changes to variation of average pollution level can be quantified.

Various embodiments are directed to a device for detecting a particle liquid content characteristic comprising: one or more fluid flow device inlets configured to receive at least one fluid sample comprising a first plurality of particles and a second plurality of particles, the device being configured to determine a particle liquid content characteristic based at least in part on a comparison of first particle data and second particle data. In various embodiments, the device may comprise a heating element configured to heat at least a portion of particles within the second fluid sample. In various embodiments, the device may comprise a fluid sensor configured to generate first particle data using an optical scattering operation and a fluid composition sensor configured to generate second particle data using a particle imaging operation. Various embodiments are directed to systems and methods for controlling a fluid flow monitoring system.