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Mill Road Air Quality: PM 2.5

Pollutent Description

Airborne Particulate Matter (PM) includes a wide range of particle sizes and different chemical constituents. It consists of both primary components, which are emitted directly into the atmosphere, and secondary components, which are formed within the atmosphere as a result of chemical reactions. Of greatest concern to public health are the particles small enough to be inhaled into the deepest parts of the lung. Air Quality Objectives are in place for the protection of human health for PM10 and PM2.5 – particles of less than 10 and 2.5 micrometres in diameter, respectively.

The data is available from 08/07/19 to 28/10/19

The data in this release file is broken down by hourly increments.

****Please note- Data for sensors 189245 and 292245 was unable to be extracted for the most recently release. This is being investigated****

The fields within the dataset are based around the individual serial numbers of the sensors. The location of the sensors, including the individual serial numbers, can be accessed here:

Field Descriptions:

Serial Number_Pollutant_PreScaled- un-calibrated (prior to ratification)

Serial Number_Pollutant_Scaled- calibrated  (This is the raw data without any verification / correction factors applied.)

Serial Number_Pollutant_Unit- unit measurement

Serial Number_Pollutant_Slope- slope of the line used in linear regression to calibrate the monitor (not used in pre-scaled results)

Serial Number_Pollutant_Offset- – data offset of the line used in the linear regression to calibrate the monitor (not used in pre-scaled results)

Data Preview: Note that by default the preview only displays up to 100 records. Use the pager to flip through more records or adjust the start and end fields to display the number of records you wish to see.

Additional Information

filesize774.13 KB
resource typefile upload
timestampOct 28, 2019