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NI Air Quality
Air pollution results from the introduction of a range of substances into the atmosphere from a wide variety of sources. It can cause both short term and long term effects on... -
Traffic Count
Traffic count from 8 counter located around Calderdale. Please note Sdate - indicates the date and time the count was taken. Cosit - camera ID number which indicates the camera... -
Diffusion Tube Data
Diffusion tubes are small, relatively inexpensive air pollution (nitrogen dioxide) monitors. They are small plastic tubes, open at one end with a gauze at the other end. The...