Current Air Quality
Site	Time	AQI	Class	Pollutant	Concentration	Activity Caution	Risk Groups
Alba	9/24/2026 3:00:00 PM CST	44	Good	O3P	0.047 PPM	None	None
Arnold West	9/24/2026 3:00:00 PM CST	23	Good	O3P	0.025 PPM	None	None
Blair Street	9/24/2026 3:00:00 PM CST	26	Good	O3P	0.028 PPM	None	None
Bonne Terre	9/24/2026 3:00:00 PM CST	25	Good	O3P	0.027 PPM	None	None
Branch St.	9/24/2026 3:00:00 PM CST	24	Good	640X_PM-10_STD	26 ug/m3	None	None
Buick North East	9/24/2026 3:00:00 PM CST	2	Good	SO2	1.7 PPB	None	None
Carthage	9/24/2026 3:00:00 PM CST	10	Good	PM-10	11 ug/m3	None	None
El Dorado Springs	9/24/2026 3:00:00 PM CST	38	Good	O3P	0.041 PPM	None	None
Farrar	9/24/2026 3:00:00 PM CST	28	Good	O3P	0.03 PPM	None	None
Fellows Lake	9/24/2026 3:00:00 PM CST	36	Good	O3P	0.039 PPM	None	None
Finger Lakes State Park	9/24/2026 3:00:00 PM CST	19	Good	O3P	0.021 PPM	None	None
Foley West	9/24/2026 3:00:00 PM CST	23	Good	O3P	0.025 PPM	None	None
Forest Park	9/24/2026 3:00:00 PM CST	11	Good	PM25FEM	1.9 ug/m3	None	None
Front Street	9/24/2026 3:00:00 PM CST	24	Good	PM-10	26 ug/m3	None	None
Herculaneum-Mott St.	9/24/2026 3:00:00 PM CST	1	Good	SO2	0.4 PPB	None	None
Hillcrest High School	9/24/2026 3:00:00 PM CST	41	Good	O3P	0.044 PPM	None	None
Ladue	9/24/2026 3:00:00 PM CST	11	Good	PM25FEM	2 ug/m3	None	None
Liberty	9/24/2026 3:00:00 PM CST	37	Good	O3P	0.04 PPM	None	None
Linden Hills	9/24/2026 3:00:00 PM CST	18	Good	PM25FEM	3.2 ug/m3	None	None
Mark Twain State Park	9/24/2026 3:00:00 PM CST	25	Good	O3P	0.027 PPM	None	None
Maryland Heights	9/24/2026 3:00:00 PM CST	20	Good	O3P	0.022 PPM	None	None
New Bloomfield	9/24/2026 3:00:00 PM CST	22	Good	O3P	0.024 PPM	None	None
Orchard Farm	9/24/2026 3:00:00 PM CST	23	Good	O3P	0.025 PPM	None	None
Pacific	9/24/2026 3:00:00 PM CST	19	Good	O3P	0.021 PPM	None	None
Richards Gebaur-South	9/24/2026 3:00:00 PM CST	35	Good	O3P	0.038 PPM	None	None
Rider Trail I-70	9/24/2026 3:00:00 PM CST	0	Good	SO2	0.3 PPB	None	None
Rocky Creek	9/24/2026 3:00:00 PM CST	34	Good	O3P	0.037 PPM	None	None
Saint Joseph PM	9/24/2026 3:00:00 PM CST	28	Good	PM25FEM	5 ug/m3	None	None
Savannah	9/24/2026 3:00:00 PM CST	36	Good	O3P	0.039 PPM	None	None
South Broadway	9/24/2026 3:00:00 PM CST	22	Good	PM25FEM	3.9 ug/m3	None	None
Trimble	9/24/2026 3:00:00 PM CST	35	Good	O3P	0.038 PPM	None	None
Troost	9/24/2026 3:00:00 PM CST	19	Good	640X_PM-10_STD	20 ug/m3	None	None
Watkins Mill State Park	9/24/2026 3:00:00 PM CST	35	Good	O3P	0.038 PPM	None	None
West Alton	9/24/2026 3:00:00 PM CST	25	Good	O3P	0.027 PPM	None	None