Air quality in the Waikato region: Ngaruawhia Airshed
Ngaruawhia Airshed PM10 Concentration
| Year | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
|---|---|---|---|---|---|---|
| Method | Not monitored | Not monitored | Not monitored | FH62 BAM | FH62 BAM | FH62 BAM |
| Valid data (%) | Not monitored | Not monitored | Not monitored | 65% | 99% | 97% |
| No of exceedences PM10 | Not monitored | Not monitored | Not monitored | 0 | 0 | 0 |
| 99.7%ile value | Not monitored | Not monitored | Not monitored | 32 | 40 | 29 |
| 2nd highest 24 hour average | Not monitored | Not monitored | Not monitored | 32 | 38 | 28 |
| Highest 24-hour average | Not monitored | Not monitored | Not monitored | 32 | 43 | 29 |
| Annual average | Not monitored | Not monitored | Not monitored | 15 | 13 | 13 |
Source: Waikato Regional Council
Notes:
(1) To provide a more representative picture of the airshed, 2009 values have been calculated after the effects of the Australian dust storms have been removed.
(2) Monitoiring at this site commenced 8 May 2008.
Last updated: 2 August 2011
