Air pollution levels high in Christchurch – Marlborough Express


Marlborough Express
Air pollution levels high in Christchurch
Marlborough Express
Pollution is recorded as "high" when the daily concentration of PM10 (particulate matter) is greater than 50 micrograms per cubic metre of air. The city registered high PM10 levels yesterday, with a 24-hour average concentration of 111 micrograms of

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