Richards Gebaur South, Kansas City

Site Operator: Missouri Department of Natural Resources' Environmental Services Program

Pollutants Monitored: Ozone (O3), Inhalable Particulate (PM2.5)

Note: In January 2000 this site was moved from Richards Gebaur Airport to 1802 E. 203rd St.

Ozone (O3)

Updated: Monthly.

National Ambient Air Monitoring Standard:

8-hour Standard
The three-year average of the fourth highest daily maximum 8-hour average must not be greater than .08 ppm (parts per million). Data reported in three decimal places must be rounded to two decimal places.

1-hour Standard 1970 to 1997-no longer applies to any area in Missouri.
A one-hour average of 0.12 ppm (parts per million).

Exceedances allowed without a violation being recorded:
The term exceedance does not apply to the 8-hour standard. The three-year average is used to determine designation of attainment or non-attainment.

DISCLAIMER: Yearly and quarterly data shown below has been subject to data review and validation procedures by the reporting agency. Monthly data and data shown graphically is raw, unreviewed and unvalidated data.

The units for all averages in this chart are parts per million.
YEAR	NUMBER OF DAYS OVER STANDARD	MAXIMUM 1-HOUR AVERAGE	MAXIMUM 8-HOUR AVERAGE	Fourth MAXIMUM 8-HOUR AVERAGE
1993	0	.094	not available	not available
1994	0	.093	not available	not available
1995	0	.088	not available	not available
1996	0	.097	not available	not available
1997	0	.092	not available	not available
1998	0	.108	not available	not available
1999	0	.119	not available	not available
2000	1	.152	not available	not available
2001	0	.091	not available	not available
2002	0	.106	.088	.083
2003	1	.107	.097	.082
2004	1	.096	.080	.061
2005	2	.108	.091	.081
2006	1	.096	.085	.078
2007	0	.087	.081	.072
2008
FIRST QUARTER	not available	not available	not available	not available
SECOND QUARTER	not available
THIRD QUARTER	not available

Graph of Recent Ozone (O3) Data
Graph of 03 PPM.

Inhalable Particulate (PM2.5)

Updated: Within 90 days after the end of a quarter.

National Ambient Air Monitoring Standard: (24-hour samples; one taken every third day) A three-year average of the 98th percentile 24-hour averages equal or greater than 35 ug/m³ (micrograms per cubic meter) and/or a three-year average of annual averages equal or greater than 15.0 ug/m³ (micrograms per cubic meter).

Exceedances allowed without a violation being recorded: two percent of daily observations

The units for all averages in this chart are micrograms per cubic meter.
YEAR	FIRST MAXIMUM 24-HOUR AVERAGE	SECOND MAXIMUM 24-HOUR AVERAGE	ANNUAL AVERAGE
1999	30.1	27.6	10.95
2000	40.9	34.3	11.77
2001	34.5	30.0	11.4
2002	30.7	27.7	11.7
2003	49.5	35.5	11.1
2004	29.7	23.3	9.83
2005	32.4	31.6	11.63
2006	22.5	21.3	10.08
2007	31.7	28.4	10.80
2008
THROUGH FIRST QUARTER	not available	not available	not available