Metropolitan cities’ score card for particles (PM10) NEPM 24-hour standard, based on analysis of air quality index values, 1999–2008

Very poor,Poor,Fair,Good,Very good

Average percentage frequency distribution: very good 42; good 51; fair 5; poor 1; very poor 1

Year(s): 
2011
4
Stable
Confidence (in grade): 
Adequate
Confidence (in trend): 
Adequate

Average percentage frequency distribution: very good 63; good 34; fair 3; poor 0; very poor 0

Year(s): 
2011
5
Stable
Confidence (in grade): 
Adequate
Confidence (in trend): 
Adequate

Average percentage frequency distribution: very good 43; good 55; fair 2; poor 0; very poor 0

Year(s): 
2011
4
Deteriorating
Confidence (in grade): 
Adequate
Confidence (in trend): 
Limited

Average percentage frequency distribution: very good 56; good 42; fair 2; poor 0; very poor 0

Year(s): 
2011
5
Stable
Confidence (in grade): 
Adequate
Confidence (in trend): 
Limited

Average percentage frequency distribution: very good 73; good 26; fair 1; poor 0; very poor 0

Year(s): 
2011
5
Unclear
Confidence (in grade): 
Adequate
Confidence (in trend): 
Limited

Average percentage frequency distribution: very good 36; good 50; fair 11; poor 2; very poor 1

Year(s): 
2011
4
Stable
Confidence (in grade): 
Adequate
Confidence (in trend): 
Adequate

Average percentage frequency distribution: very good 49; good 47; fair 3; poor 0; very poor 0 (Note: borderline very good – good)

Year(s): 
2011
4
Stable
Confidence (in grade): 
Adequate
Confidence (in trend): 
Adequate

Average percentage frequency distribution: very good 50; good 45; fair 4; poor 1; very poor 0 (Note: borderline very good – good)

Year(s): 
2011
4
Stable
Confidence (in grade): 
Adequate
Confidence (in trend): 
Adequate
(2011). Ambient air quality: Metropolitan cities’ score card for particles (PM10) NEPM 24-hour standard, based on analysis of air quality index values, 1999–2008. In: Australia state of the environment 2011, Australian Government Department of the Environment and Energy, Canberra, https://soe.environment.gov.au/assessment-summary-35-metropolitan-cities-score-card-particles-pm10-nepm-24-hour-standard-based, DOI 10.4226/94/58b65c70bc372