Open Data Bristol

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Real time air quality data

Historic and live air quality data. Data are from chemiluminescent NOx analysers operated by Bristol City Council since 2000. Hourly observations of oxides of nitrogen (NOx), nitric oxide (NO) and nitrogen dioxide (NO2) in microgrammes per metre cubed (μgm-3) are shown. Data older than the current month have been ratified and corrected in accordance with UK air quality guidance LAQM TG.16.

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