CERC — Environmental Software and Services

Forecasting the air quality in York, UK

York forecast map image

The City of York Council commissioned CERC to develop an air quality forecasting and alert service to give York residents advance warning of when air pollution is expected to be higher than usual, up to three days ahead. The service provides daily air quality forecast maps at 5-metre resolution and zone-based air quality, pollen, UV and temperature forecasts. Residents can sign up to receive free air quality text, email or voice alerts. Forecasts are issued twice a day and routinely compared with monitored levels to maintain accuracy.

CERC’s air quality forecasting system for York combines weather forecasts, European-scale pollution forecasts from the Copernicus Atmosphere Monitoring Service (CAMS) and very detailed dispersion modelling of pollution sources across York using ADMS-Urban. The cloud-based containerised system uses Microsoft’s Azure Kubernetes Service (AKS), GDAL and GeoServer to process model data to create maps and calculate alert levels.



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