Site Data

Latest data for Cardiff Centre

The table below shows the latest data for this monitoring site. Use the links below the table to view the interactive map or perform further site searches.

Pollutant Date Time Measurement Unit Period Comment
Ozone (O3) 03/07/2025 02:00 37.719 µg/m3 Hourly -
Nitric oxide (NO) 03/07/2025 02:00 0.249 µg/m3 Hourly -
Nitrogen dioxide (NO2) 03/07/2025 02:00 9.945 µg/m3 Hourly -
Nitrogen oxides as nitrogen dioxide (NOXasNO2) 03/07/2025 02:00 10.328 µg/m3 Hourly -
Sulphur dioxide (SO2) 03/07/2025 02:00 0.621 µg/m3 Hourly -
Carbon monoxide (CO) 03/07/2025 02:00 0.116 mg/m3 Hourly -
PM10 particulate matter (Hourly measured) (PM10) 03/07/2025 02:00 7.730 µg/m3 (Ref.eq) Hourly -
PM2.5 particulate matter (Hourly measured) (PM2.5) 03/07/2025 02:00 8.000 µg/m3 (BAM) Hourly -

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