0b81fe48-cfe8-4f4e-b5d0-cf2b6f4da172 urn:uuid eng UTF-8 nonGeographicDataset nonGeographicDataset 2025-06-25T13:32:46 creation ISO 19115 2016 Adelaide CBD Air Quality monitoring station gaseous data 0b81fe48-cfe8-4f4e-b5d0-cf2b6f4da172 The Environment Protection Authority (EPA) monitors South Australian airsheds in order to assess the air quality and provide information that can be used to guide management decisions. This data set contains validated gaseous pollution data for the Adelaide CBD region. This site was commissioned in April 2014. SA0062407: South Australia 135.866666 135.866666 -29.383333 -29.383333 Adelaide CBD air pollution air quality carbon monoxide community environment gaseous nitrogen oxides quality services Adelaide CBD (Gaseous data) - 2014 documentDigital This data set contains validated gaseous pollution data for the year 2014 for the Adelaide CBD region in monthly files. Data was collected as 10 minute averages. Information provided is Nitrogen Oxides values expressed in parts per million (ppm) & Carbon Monoxide values expressed in parts per million (ppm). Time expressed as Time Ending Averages. This site was commissioned in April 2014. Negative values occur from time to time and are a result of the extremely low concentration levels and the noise of the instrument. Sampling methods, standards and uncertainties: Ozone (O3) Ultraviolet Absorbance (UVA), AS3580.6.1 – 1993, U95= ±0.005 ppm @ 0.100 ppm. Nitrogen oxides (NO, NO2, NOx) Chemiluminescence, AS3580.5.1 – 1993, U95= ±0.050 ppm @ 0.400 ppm. Sulfur dioxide (SO2) Ultraviolet Fluorescence (UVF), AS3580.4.1 – 1990, U95= ±0.011 ppm @ 0.200 ppm. Carbon monoxide (CO) Gas Phase Correlation (GPC), AS3850.7.1 – 1992, U95= ±1.46 ppm @ 40 ppm. Field labels: O3 UVA ppm – Ozone, NO Chemiluminescence ppm – Nitric oxide, NO2 calc Chemiluminescence ppm – Nitrogen dioxide calculated from NOx-NO, NOx Chemiluminescence ppm – Nitrogen oxides, SO2 UVF ppm – Sulfur dioxide, CO GPC ppm – Carbon monoxide. For comparison to National Environment Protection (Ambient Air Quality) Measure (NEPM) standards, any average calculated from this data is only valid if it is based on at least 75% of the expected samples in the averaging period. This applies to all averaging periods. Further information on data availability and computing averages can be found in the National Environment Protection (Ambient Air Quality) Measure Technical paper No. 5 – Data Collection and Handling. CSV Adelaide CBD (Gaseous data) - 2015 to 2019 documentDigital This data set contains validated gaseous pollution data for the years 2015 to 2019 for the Adelaide CBD region in monthly files. Data was collected as 1 hour averages. Information provided is Nitrogen Oxides values expressed in parts per million (ppm) & Carbon Monoxide values expressed in parts per million (ppm). Time expressed as Time Ending Averages. Negative values occur from time to time and are a result of the extremely low concentration levels and the noise of the instrument. Sampling methods, standards and uncertainties: Ozone (O3) Ultraviolet Absorbance (UVA), AS3580.6.1 – 1993, U95= ±0.005 ppm @ 0.100 ppm. Nitrogen oxides (NO, NO2, NOx) Chemiluminescence, AS3580.5.1 – 1993, U95= ±0.050 ppm @ 0.400 ppm. Sulfur dioxide (SO2) Ultraviolet Fluorescence (UVF), AS3580.4.1 – 1990, U95= ±0.011 ppm @ 0.200 ppm. Carbon monoxide (CO) Gas Phase Correlation (GPC), AS3850.7.1 – 1992, U95= ±1.46 ppm @ 40 ppm. Field labels: O3 UVA ppm – Ozone, NO Chemiluminescence ppm – Nitric oxide, NO2 calc Chemiluminescence ppm – Nitrogen dioxide calculated from NOx-NO, NOx Chemiluminescence ppm – Nitrogen oxides, SO2 UVF ppm – Sulfur dioxide, CO GPC ppm – Carbon monoxide. For comparison to National Environment Protection (Ambient Air Quality) Measure (NEPM) standards, any average calculated from this data is only valid if it is based on at least 75% of the expected samples in the averaging period. This applies to all averaging periods. Further information on data availability and computing averages can be found in the National Environment Protection (Ambient Air Quality) Measure Technical paper No. 5 – Data Collection and Handling. CSV Adelaide CBD (Gaseous data) - 2020 documentDigital This data set contains validated gaseous pollution data for the year 2020 and ongoing for the Adelaide CBD region in monthly files. Data was collected as 1 hour averages. Information provided is Nitrogen Oxides values expressed in parts per million (ppm) & Carbon Monoxide values expressed in parts per million (ppm). Time expressed as Time Ending Averages. Negative values occur from time to time and are a result of the extremely low concentration levels and the noise of the instrument. Sampling methods, standards and uncertainties: Ozone (O3) Ultraviolet Absorbance (UVA), AS3580.6.1 – 1993, U95= ±0.005 ppm @ 0.100 ppm. Nitrogen oxides (NO, NO2, NOx) Chemiluminescence, AS3580.5.1 – 1993, U95= ±0.050 ppm @ 0.400 ppm. Sulfur dioxide (SO2) Ultraviolet Fluorescence (UVF), AS3580.4.1 – 1990, U95= ±0.011 ppm @ 0.200 ppm. Carbon monoxide (CO) Gas Phase Correlation (GPC), AS3850.7.1 – 1992, U95= ±1.46 ppm @ 40 ppm. Field labels: O3 UVA ppm – Ozone, NO Chemiluminescence ppm – Nitric oxide, NO2 calc Chemiluminescence ppm – Nitrogen dioxide calculated from NOx-NO, NOx Chemiluminescence ppm – Nitrogen oxides, SO2 UVF ppm – Sulfur dioxide, CO GPC ppm – Carbon monoxide. For comparison to National Environment Protection (Ambient Air Quality) Measure (NEPM) standards, any average calculated from this data is only valid if it is based on at least 75% of the expected samples in the averaging period. This applies to all averaging periods. Further information on data availability and computing averages can be found in the National Environment Protection (Ambient Air Quality) Measure Technical paper No. 5 – Data Collection and Handling. CSV Adelaide CBD (Gaseous data) – 2021 documentDigital This data set contains validated gaseous pollution data for the year 2021 and ongoing for the Adelaide CBD region in monthly files. Data was collected as 1 hour averages. Information provided is Nitrogen Oxides values expressed in parts per million (ppm) & Carbon Monoxide values expressed in parts per million (ppm). Time expressed as Time Ending Averages. Negative values occur from time to time and are a result of the extremely low concentration levels and the noise of the instrument. Sampling methods, standards and uncertainties: Ozone (O3) Ultraviolet Absorbance (UVA), AS3580.6.1 – 1993, U95= ±0.005 ppm @ 0.100 ppm. Nitrogen oxides (NO, NO2, NOx) Chemiluminescence, AS3580.5.1 – 1993, U95= ±0.050 ppm @ 0.400 ppm. Sulfur dioxide (SO2) Ultraviolet Fluorescence (UVF), AS3580.4.1 – 1990, U95= ±0.011 ppm @ 0.200 ppm. Carbon monoxide (CO) Gas Phase Correlation (GPC), AS3850.7.1 – 1992, U95= ±1.46 ppm @ 40 ppm. Field labels: O3 UVA ppm – Ozone, NO Chemiluminescence ppm – Nitric oxide, NO2 calc Chemiluminescence ppm – Nitrogen dioxide calculated from NOx-NO, NOx Chemiluminescence ppm – Nitrogen oxides, SO2 UVF ppm – Sulfur dioxide, CO GPC ppm – Carbon monoxide. For comparison to National Environment Protection (Ambient Air Quality) Measure (NEPM) standards, any average calculated from this data is only valid if it is based on at least 75% of the expected samples in the averaging period. This applies to all averaging periods. Further information on data availability and computing averages can be found in the National Environment Protection (Ambient Air Quality) Measure Technical paper No. 5 – Data Collection and Handling. CSV Adelaide CBD (Gaseous data) - 2022 documentDigital This data set contains validated gaseous pollution data for the year 2022 for the Adelaide CBD region in monthly files. Data was collected as 1 hour averages. Information provided is Nitrogen Oxides values expressed in parts per million (ppm) & Carbon Monoxide values expressed in parts per million (ppm). Time expressed as Time Ending Averages and in Australian Central Standard Time (ACST). Negative values occur from time to time and are a result of the extremely low concentration levels and the noise of the instrument. Sampling methods, standards and uncertainties: Ozone (O3) Ultraviolet Absorbance (UVA), AS3580.6.1 – 1993, U95= ±0.005 ppm @ 0.100 ppm. Nitrogen oxides (NO, NO2, NOx) Chemiluminescence, AS3580.5.1 – 1993, U95= ±0.050 ppm @ 0.400 ppm. Sulfur dioxide (SO2) Ultraviolet Fluorescence (UVF), AS3580.4.1 – 1990, U95= ±0.011 ppm @ 0.200 ppm. Carbon monoxide (CO) Gas Phase Correlation (GPC), AS3850.7.1 – 1992, U95= ±1.46 ppm @ 40 ppm. Field labels: O3 UVA ppm – Ozone, NO Chemiluminescence ppm – Nitric oxide, NO2 calc Chemiluminescence ppm – Nitrogen dioxide calculated from NOx-NO, NOx Chemiluminescence ppm – Nitrogen oxides, SO2 UVF ppm – Sulfur dioxide, CO GPC ppm – Carbon monoxide. For comparison to National Environment Protection (Ambient Air Quality) Measure (NEPM) standards, any average calculated from this data is only valid if it is based on at least 75% of the expected samples in the averaging period. This applies to all averaging periods. Further information on data availability and computing averages can be found in the National Environment Protection (Ambient Air Quality) Measure Technical paper No. 5 – Data Collection and Handling. CSV Adelaide CBD (gaseous data) – 2023 documentDigital This data set contains validated gaseous pollution data for the year 2023 for the Adelaide CBD region in monthly files. Data was collected as 1 hour averages. Information provided is Nitrogen Oxides values expressed in parts per million (ppm) & Carbon Monoxide values expressed in parts per million (ppm). Time expressed as Time Ending Averages and in Australian Central Standard Time (ACST). Negative values occur from time to time and are a result of the extremely low concentration levels and the noise of the instrument. Sampling methods, standards and uncertainties: Nitrogen oxides (NO, NO2, NOx) Chemiluminescence, AS3580.5.1, U95= ±0.050 ppm @ 0.400 ppm. Carbon monoxide (CO) Gas Phase Correlation (GPC), AS3580.7.1, U95= ±1.46 ppm @ 40 ppm. Field labels: O3 UVA ppm – Ozone, NO Chemiluminescence ppm – Nitric oxide, NO2 calc Chemiluminescence ppm – Nitrogen dioxide calculated from NOx-NO, NOx Chemiluminescence ppm – Nitrogen oxides, SO2 UVF ppm – Sulfur dioxide, CO GPC ppm – Carbon monoxide. For comparison to National Environment Protection (Ambient Air Quality) Measure (NEPM) standards, any average calculated from this data is only valid if it is based on at least 75% of the expected samples in the averaging period. This applies to all averaging periods. Further information on data availability and computing averages can be found in the National Environment Protection (Ambient Air Quality) Measure Technical paper No. 5 – Data Collection and Handling. CSV Adelaide CBD (gaseous data) – 2024 documentDigital This data set contains validated gaseous pollution data for the year 2024 for the Adelaide CBD region in monthly files. Data was collected as 1 hour averages. Information provided is Nitrogen Oxides values expressed in parts per million (ppm) & Carbon Monoxide values expressed in parts per million (ppm). Time expressed as Time Ending Averages and in Australian Central Standard Time (ACST). Negative values occur from time to time and are a result of the extremely low concentration levels and the noise of the instrument. Sampling methods, standards and uncertainties: Nitrogen oxides (NO, NO2, NOx) Chemiluminescence, AS3580.5.1, U95= ±0.050 ppm @ 0.400 ppm. Carbon monoxide (CO) Gas Phase Correlation (GPC), AS3580.7.1, U95= ±1.46 ppm @ 40 ppm. Field labels: O3 UVA ppm – Ozone, NO Chemiluminescence ppm – Nitric oxide, NO2 calc Chemiluminescence ppm – Nitrogen dioxide calculated from NOx-NO, NOx Chemiluminescence ppm – Nitrogen oxides, SO2 UVF ppm – Sulfur dioxide, CO GPC ppm – Carbon monoxide. For comparison to National Environment Protection (Ambient Air Quality) Measure (NEPM) standards, any average calculated from this data is only valid if it is based on at least 75% of the expected samples in the averaging period. This applies to all averaging periods. Further information on data availability and computing averages can be found in the National Environment Protection (Ambient Air Quality) Measure Technical paper No. 5 – Data Collection and Handling. CSV Adelaide CBD (gaseous data) – 2025 documentDigital This data set contains validated gaseous pollution data for the year 2025 for the Adelaide CBD region in monthly files. Data was collected as 1-hour averages. Information provided is Nitrogen Oxides values expressed in parts per million (ppm) & Carbon Monoxide values expressed in parts per million (ppm). Time expressed as Time Ending Averages and in Australian Central Standard Time (ACST). Negative values occur from time to time and are a result of the extremely low concentration levels and the noise of the instrument. Sampling methods, standards and uncertainties: Nitrogen oxides (NO, NO2, NOx) Chemiluminescence, AS3580.5.1, U95= ±0.050 ppm @ 0.400 ppm. Carbon monoxide (CO) Gas Phase Correlation (GPC), AS3580.7.1, U95= ±1.46 ppm @ 40 ppm. Field labels: O3 UVA ppm – Ozone, NO Chemiluminescence ppm – Nitric oxide, NO2 calc Chemiluminescence ppm – Nitrogen dioxide calculated from NOx-NO, NOx Chemiluminescence ppm – Nitrogen oxides, SO2 UVF ppm – Sulfur dioxide, CO GPC ppm – Carbon monoxide. For comparison to National Environment Protection (Ambient Air Quality) Measure (NEPM) standards, any average calculated from this data is only valid if it is based on at least 75% of the expected samples in the averaging period. This applies to all averaging periods. Further information on data availability and computing averages can be found in the National Environment Protection (Ambient Air Quality) Measure Technical paper No. 5 – Data Collection and Handling. CSV Adelaide CBD (gaseous data) – 2026 documentDigital This data set contains validated gaseous pollution data for the year 2026 for the Adelaide CBD region in monthly files. Data was collected as 1-hour averages. Information provided is Nitrogen Oxides values expressed in parts per million (ppm) & Carbon Monoxide values expressed in parts per million (ppm). Time expressed as Time Ending Averages and in Australian Central Standard Time (ACST). Negative values occur from time to time and are a result of the extremely low concentration levels and the noise of the instrument. Sampling methods, standards and uncertainties: Nitrogen oxides (NO, NO2, NOx) Chemiluminescence, AS3580.5.1, U95= ±0.050 ppm @ 0.400 ppm. Carbon monoxide (CO) Gas Phase Correlation (GPC), AS3580.7.1, U95= ±1.46 ppm @ 40 ppm. Field labels: O3 UVA ppm – Ozone, NO Chemiluminescence ppm – Nitric oxide, NO2 calc Chemiluminescence ppm – Nitrogen dioxide calculated from NOx-NO, NOx Chemiluminescence ppm – Nitrogen oxides, SO2 UVF ppm – Sulfur dioxide, CO GPC ppm – Carbon monoxide. For comparison to National Environment Protection (Ambient Air Quality) Measure (NEPM) standards, any average calculated from this data is only valid if it is based on at least 75% of the expected samples in the averaging period. This applies to all averaging periods. Further information on data availability and computing averages can be found in the National Environment Protection (Ambient Air Quality) Measure Technical paper No. 5 – Data Collection and Handling. CSV