North Ward (Townsville) 2020 hourly air quality and meteorological data

Period of operation: 1 January to 31 December 2020
Site location (until 24 August): Latitude: -19.2509; Longitude: 146.8073
Site location (from 25 August): Latitude: -19.2486; Longitude: 146.8074
AS/NZS 3580.1.1 site classification: Neighbourhood
AS/NZS 3580.1.1 compliance (pollutants): Complies, except for:

• Isolated trees above height of inlet within 10 metres west of the monitoring site.

AS/NZS 3580.14 compliance (meteorology): Complies, except for:

• Isolated trees within 10 metres west of the monitoring site.
• Temperature and relative humidity sensors located 10 metres above ground level.
• Rainfall measured by acoustic sensor.

Wind sensor: Ultrasonic sensor

• Height above ground level: 10 metres.
• The wind direction sensor is aligned to magnetic north. The reported wind direction is referenced to true north by application of a magnetic declination correction of +8 degrees to the sensor output value.

Temperature: Capacitive ceramic sensor

• Height above ground level: 10 metres.

Relative humidity: Capacitive thin film polymer sensor

• Height above ground level: 10 metres.

Rainfall: Vaisala RAINCAP® precipitation sensor

• Height above ground level: 10 metres.

Barometric pressure: Capacitive silicon sensor

• Height above ground level: 10 metres.

Oxides of nitrogen: Chemiluminescence analyser operated in accordance with AS/NZS 3580.5.1

• Instrument output offset and/or scaled based on calibration and daily zero/span response data.

Sulfur dioxide: Ultraviolet fluorescence analyser operated in accordance with AS 3580.4.1

• Instrument output offset and/or scaled based on calibration and daily zero/span response data.

PM10/PM2.5: Scattered light spectrometry (TAPI Model 640X) operated in accordance with USEPA equivalence method designation requirements

• Reported concentrations are uncorrected instrument output values.

Visibility-reducing particles: Nephelometer operated in accordance with AS/NZS 3580.12.1

• Detector spectral response centred at 520 nm.
• Instrument output offset and/or scaled based on calibration and daily zero/span response data.