Air quality in the Auckland region: Auckland Airshed
Auckland Airshed Straight Line Path
Note: The 2009 value in this graph is the second highest 24 hour average. The second highest 24-hour average value is used to provide a more representative picture of the airshed as the highest 24-hour avour average for this airshed was due to transboundary pollution from the Australian dust storms.
Auckland Airshed PM10 Exceedences
| Year | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 |
|---|---|---|---|---|---|---|---|---|---|
| Method | Various | BAM/Partisol | BAM/Partisol | BAM/Partisol | BAM/Partisol | ||||
| Valid data (%) | Varies | Varies | Varies | Varies | Varies | ||||
| No of exceedences PM10 | 4 | 6 | 7 | 3 | 4 | ||||
| 2nd highest 24–hour average | 84 | 63 | 125 | 64 | 88 | ||||
| Highest 24–hour average | 86 | 65 | 137 | 64 | 134* | ||||
| Straight Line Path Start | 95 | 89 | 84 | 78 | 73 | 67 | 61 | 56 | 50 |
| Annual average** | 17 | 18 | 18 | 17 | 16 | ||||
| Source: Auckland Regional Council | |||||||||
Notes: *The 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. **The Auckland airshed has multiple monitoring sites. The annual averages reported here are based on the Takapuna monitoring site only. Other results are a consolidation of the multiple sites. |
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Last updated: September 2010
