Leeds Ecosystem, Atmosphere & Forest (LEAF) Centre

Latest Air Pollution Level in Sheffield:

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The Air Quality Index (AQI) reflects how high the levels of nitrogen dioxide, ozone, sulphur dioxide and particulate pollution are in the air; these pollutants form mainly as a result of vehicle and industrial emissions. Find out the health implications of the current AQI level here.

Here you will find air quality measurements for Sheffield City Centre – as measured by Defra. The Air Pollution Garden is located in Sheffield Botanical Gardens, approximately 1.5 km away from this measurement station.

Nitrogen dioxide (NO2) – reported as an hourly mean value in micrograms per m3. The World Health Organisation recommend that this value does not exceed 200 micrograms per m3.

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Ozone (O3) – reported as a running 8 hour mean value in micrograms per m3. The World Health Organisation recommend that this value does not exceed 100 micrograms per m3.

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Particulate matter (PM2.5) – reported as a running 24 hour mean value in micrograms per m3. PM2.5 refers to particles that are smaller than 2.5 micrometres in diameter. The World Health Organisation recommend that this value does not exceed 25 micrograms per m3.

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Particulate matter (PM10) – reported as a running 24 hour mean value in micrograms per m3. PM10 refers to particles that are smaller than 10 micrometres in diameter. The World Health Organisation recommend that this value does not exceed 50 micrograms per m3.

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The measurements presented here are collected by Defra – for more information, please visit: uk-air.defra.gov.uk. Processing and visualisation of real-time pollution data is enabled by the Centre of Excellence for Modelling the Atmosphere and Climate (CEMAC).