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Air Air quality PM10 By region Otago
Air quality in the Otago region: Airshed 1 - Alexandra
More detailed air quality information, including data for other towns, can be found on the Otago Regional Council website.
Otago Airshed 1 (Alexandra, Arrowtown, Clyde and Cromwell) Straight Line Path
Otago Airshed 1 - (Alexandra, Arrowtown, Clyde and Cromwell) PM10 Exceedences
Source data for PM10
| Year | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 |
|---|---|---|---|---|---|---|---|---|---|
| Method | MetOne BAM | MetOne BAM1020 | MetOne BAM1020 | MetOne BAM1020 and EBAM | |||||
| Valid data (%) | 52% | 97% annual, 100% winter (Jun-Aug) | 99% annual; 100% winter | 96% annual; 98% winter (May-Aug) | |||||
| No of exceedences PM10 | 42 | 50 | 55 | **91 | |||||
| 2nd highest 24–hour average | 92 | 130 | 138 | 126 | |||||
| Straight Line Path | 146 | 134 | 122 | 110 | 98 | 86 | 74 | 62 | 50 |
| Highest 24-hour average | 103 | 149 | 168 | 150 | |||||
| Annual average | <75% valid data | 23 | 19 | 25 | |||||
| Source: Otago Regional Council | |||||||||
| ** Note - From 2008, results represent the consolidation of Alexandra, Arrowtown, Clyde, and Cromwell. | |||||||||
| Note - From 2006, results represent the consolidation of Alexandra and Arrowtown data. In 2005 the results represent Alexandra only. | |||||||||
| Note - The Clyde monitor was installed in mid-April 2008. The annual average does not include Clyde because it does not have the required 75% data capture. | |||||||||
Last updated: November 2009
