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Air pollution monitoring 

High pollution nights This page provides data on recent air pollution levels and and historical views of when air pollution levels have been high. ..

Data from past years Read the number of high pollution nights during previous years across our monitoring sites in Canterbury. ..

24-hour average View the 24-hour average for PM10 for sites around Canterbury for previous years. The data are calculated from midnight. ..

How we monitor air pollution Environment Canterbury has permanent air pollution monitoring stations. ..