Pollution Data for Hobart

An ambient air quality monitoring station for Hobart was established in July 2000, near the south-western shore of the Prince of Wales Bay, approximately 6km north of the city centre. However, after a review of the Tasmanian Air Monitoring Plan, this site was found to give an inadequate representation of the air quality in residential areas of greater Hobart. Therefore in 2005, the station was relocated to its current position at New Town near the Tasmanian Hockey Centre.

The station has been upgraded as part of a four year $800 000 program to meet the requirements of the National Environment Protection Measure (NEPM) for Ambient Air Quality External Link.

To view Tasmania's progress at meeting the Air NEPM see the Air NEPM Annual Reports.  

PM10 and PM2.5 Data for September 2009

Graph of daily pollution readings.

Monthly PM10 and PM2.5 Data for 2009

Graphs of daily pollution readings for each month.

Monthly PM10 and PM2.5 Data for 2008

Graphs of daily pollution readings for each month.

Monthly PM10 and PM2.5 Data for 2007

Monthly graphs of particulate pollution 1 January - 31 December.

24 Hour PM10 Levels 2000 - 2004

Graph of daily pollution readings from 2000 to mid-2004.

Average Monthly PM10 Data 2000 - 2004 showing Seasonal Variation

Graph of average monthly pollution readings over four-year period to 2004. Woodsmoke pollution is associated with the cooler months of the year when the days are still and when woodheaters are used to a greater degree. Therefore it is not surprising that exceedences of air pollution standards generally occur between May and August.

Annual Statistics for 24 Hour PM10 Levels 2000 - 2004

Graph showing annual pollution readings for period 2000 to mid-2004.

24 Hour PM10 Exceedences 1999 - 2004

Graph showing number of exceedences to air pollution goals 1999 to 30 June 2004.

PM10 Data for 2003

Graph of daily pollution readings in 2003.

PM10 Data for 2002

Graph of daily pollution readings in 2002.

PM10 Data for 2001

Graph of daily pollution readings in 2001.

PM10 Data for 2000

Graph of daily pollution readings in 2000.

An Average Winter's Day

Many people are aware of high wood smoke concentrations at some time during the day and may be later surprised if the day doesn’t breach the national standard. The graph for the hypothetical day shows that relatively high concentrations can be experienced for long periods at a time, but because of the lower concentrations experienced at night and during the late morning, the daily average falls below the national standard. The pollution levels at the Prince of Wales Bay monitoring station are not extremely high, even on an exceedence (high pollution) day. Unlike Launceston, Hobart rarely experiences the strong inversions that trap pollution close to the ground causing high air pollution readings.



See also


Further Information

For more information, please contact:

Air Specialist

134 Macquarie Street
GPO Box 1751
Hobart TAS 7001

Phone: 03 6233 3373
Fax: 03 6233 3800

Email: EnvironmentEnquiries@environment.tas.gov.au