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South East Queensland, Gladstone and Mount Isa Air Quality Index (human health), Queensland 1997 to 2007

Year	Poor air quality days			Fair air quality days			Good air quality days
	SEQ	Gladstone	Mt Isa	SEQ	Gladstone	Mt Isa	SEQ	Gladstone	Mt Isa
	– days per year –
1997	2	1	7	101	7	22	262	357	336
1998	2	0	16	97	9	13	266	356	336
1999	2	0	17	68	4	35	295	361	313
2000	6	4	33	117	32	28	243	330	305
2001	3	4	41	99	41	22	263	320	302
2002	11	5	49	156	38	34	198	322	282
2003	2	0	42	85	27	28	278	338	295
2004	5	0	36	118	19	25	243	347	305
2005	4	4	49	100	19	30	261	342	286
2006	1	1	26	101	27	25	263	337	314
2007	2	0	31	97	18	30	266	347	304

Poor = Number of days when at least one NEPM monitoring station did not meet one or more NEPM air quality standards, reflecting high pollution levels.

Fair = Number of days when all NEPM monitoring stations were within the NEPM standards but at least one station reached at least half the standard for one or more pollutants.

Good = Number of days when all NEPM monitoring stations were below half the NEPM air quality standards, reflecting good air quality.

Standards:

0.10 ppm ozone (1-hour average)

0.12 ppm nitrogen dioxide (1-hour average)

0.20 ppm sulfur dioxide (1-hour average)

9.0 ppm carbon monoxide (8-hour average)

50 µg/m3 PM10 (24-hour average)

Source: Environmental Protection Agency

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Last reviewed: Jul 15, 2008, Last modified: Jul 14, 2008


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South East Queensland, Gladstone and Mount Isa Air Quality Index (human health), Queensland 1997 to 2007

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