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2. Air pollution measurement - Wikipedia

   en.wikipedia.org/wiki/Air_pollution_measurement

   The earliest devices used to measure pollution include rain gauges (in studies of acid rain), Ringelmann charts for measuring smoke, and simple soot and dust collectors known as deposit gauges. [1] Modern air pollution measurement is largely automated and carried out using many different devices and techniques.

3. Dust collector - Wikipedia

   en.wikipedia.org/wiki/Dust_collector

   Dust collection is an online process for collecting any process-generated dust from the source point on a continuous basis. Dust collectors may be of single unit construction, or a collection of devices used to separate particulate matter from the process air. They are often used as an air pollution control device to maintain or improve air ...

4. Baghouse - Wikipedia

   en.wikipedia.org/wiki/Baghouse

   Reverse pulse-jet dust collectors can be operated continuously and cleaned without interruption of flow because the burst of compressed air is very small compared with the total volume of dusty air through the collector. On account of this continuous-cleaning feature, reverse-jet dust collectors are usually not compartmentalized.

5. Tropical cyclone tracking chart - Wikipedia

   en.wikipedia.org/.../Tropical_cyclone_tracking_chart

   A tropical cyclone tracking chart is used by those within hurricane-threatened areas to track tropical cyclones worldwide. In the north Atlantic basin, they are known as hurricane tracking charts . New tropical cyclone information is available at least every six hours in the Northern Hemisphere and at least every twelve hours in the Southern ...

6. Wet scrubber - Wikipedia

   en.wikipedia.org/wiki/Wet_scrubber

   The term wet scrubber describes a variety of devices that remove pollutants from a furnace flue gas or from other gas streams. In a wet scrubber, the polluted gas stream is brought into contact with the scrubbing liquid, by spraying it with the liquid, by forcing it through a pool of liquid, or by some other contact method, so as to remove the pollutants.

7. National Weather Service - Wikipedia

   en.wikipedia.org/wiki/National_Weather_Service

   The NDFD is a collection of common weather observations used by organizations and the public, including precipitation amount, temperature, and cloud cover among other parameters. In addition to viewing gridded weather data via the internet, users can download and use the individual grids using a "GRIB2 decoder" which can output data as ...