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Air quality in the Canterbury region: Geraldine Airshed

Geraldine Airshed

Geraldine Airshed PM₁₀ Exceedences

Geraldine Airshed PM10 Exceedences

Note: The NES targets for this airshed are provisional.

Source data for PM₁₀ - Geraldine
Year	2005	2006	2007	2009	2009	2010
Method	Not monitored	Not monitored	TEOM FDMS	TEOM FDMS	TEOM FDMS	TEOM FDMS
Valid data (%)	Not monitored	Not monitored	93%	97%	94%	92%
No of exceedences PM₁₀	Not monitored	Not monitored	2	6	7	4
2^nd highest 24 hour average	Not monitored	Not monitored	51	59	67	58
Highest 24-hr average	Not monitored	Not monitored	55	72	94	58
Annual average	Not monitored	Not monitored	19	21	22	19

Source: Environment Canterbury

Note:
(1) The 2009 highest 24-hour average value for this airshed was due to transboundary pollution from the Australian dust storms. The exceedance due to this event has not been included in this table

Last updated: 2 August 2011