Site	State	PM AQI* (ug/m3)
Thibodaux	LA	22
Ponca City	OK	22
SPRNGDLE	AR	19
Huntsville Old Airport	AL	19
Houston North Wayside C405	TX	18
Healdton	OK	18
Texarkana New Boston	TX	18
Hattiesburg	MS	17
Karnack C85	TX	17
Near Road OKC	OK	17