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  2. Air pollution measurement - Wikipedia

    en.wikipedia.org/wiki/Air_pollution_measurement

    Recently, drive-by air pollution sensing systems have emerged as a promising approach for air quality monitoring, utilizing sensors mounted on taxis, buses, trams, and other vehicles. [26] In particular, buses have garnered considerable attention as a mobile sensing platform due to their widespread availability and extensive geographical coverage.

  3. Beta attenuation monitoring - Wikipedia

    en.wikipedia.org/wiki/Beta_Attenuation_Monitoring

    Beta attenuation monitoring (BAM) is an air monitoring technique employing the absorption of beta radiation by solid particles extracted from air flow. The technique allows for the detection of PM 10 and PM 2.5, which are monitored by most air pollution regulatory agencies.

  4. Tropospheric Emissions: Monitoring of Pollution - Wikipedia

    en.wikipedia.org/wiki/Tropospheric_Emissions:...

    Tropospheric Emissions: Monitoring of Pollution (TEMPO) is a space-based spectrometer designed to measure air pollution across greater North America at a high resolution and on an hourly basis. [ 4 ] [ 5 ] The ultraviolet–visible spectrometer will provide hourly data on ozone, nitrogen dioxide, and formaldehyde in the atmosphere.

  5. Continuous emissions monitoring system - Wikipedia

    en.wikipedia.org/wiki/Continuous_emissions...

    CEM systems can also measure air flow, flue gas opacity and moisture. A monitoring system that measures particulate matter is referred to as a PEMS. In the U.S., the EPA requires a data acquisition and handling system to collect and report the data. Measurements of concentration can be converted to mass/hour by including flow rate measurements.

  6. Environmental monitoring - Wikipedia

    en.wikipedia.org/wiki/Environmental_monitoring

    Passive or "diffusive" air sampling depends on meteorological conditions such as wind to diffuse air pollutants to a sorbent medium. Passive samplers, such as diffusion tubes, have the advantage of typically being small, quiet, and easy to deploy, and they are particularly useful in air quality studies that determine key areas for future continuous monitoring.

  7. Sentinel-5 Precursor - Wikipedia

    en.wikipedia.org/wiki/Sentinel-5_Precursor

    Sentinel-5P carries a single instrument, the TROPOspheric Monitoring Instrument (Tropomi). Tropomi is a spectrometer sensing ultraviolet (UV), visible (VIS), near-infrared (NIR) and short-wave infrared (SWIR) wavelengths of light to monitor ozone , methane , formaldehyde , aerosol , carbon monoxide , NO 2 and SO 2 in the atmosphere.

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