Forest Park

Data time: 9/25/2026 8:00 AM CST

Monitoring Site

Location

Address:: McKinley Drive
City:: St. Louis
Latitude:: 38.631078
Longitude:: -90.281143
Region:: St. Louis

Air Quality Information
Pollutant	Concentration	Units of Measure
8hr-CO	0.3	PPM
CO	0.3	PPM
NO2	12.3	PPB
PM2.5	3.9	ug/m3

https://dnr.mo.gov/air/hows-air/monitoring/sites/forest-park-st-louis-city

Hour	AQI	Class	Program	Responsible Pollutant	Activity Caution	Risk Groups
08:00	3	Good	8hr-CO	8hr-CO	None	None
08:00	3	Good	CO	COTRACE	None	None
08:00	12	Good	NO2	NO2_Direct	None	None
08:00	22	Good	PM2.5	PM25FEM	None	None
07:00	3	Good	8hr-CO	8hr-CO	None	None
07:00	3	Good	CO	COTRACE	None	None
07:00	11	Good	NO2	NO2_Direct	None	None
07:00	19	Good	PM2.5	PM25FEM	None	None
06:00	3	Good	8hr-CO	8hr-CO	None	None
06:00	3	Good	CO	COTRACE	None	None
06:00	13	Good	NO2	NO2_Direct	None	None
06:00	19	Good	PM2.5	PM25FEM	None	None
05:00	3	Good	8hr-CO	8hr-CO	None	None
05:00	3	Good	CO	COTRACE	None	None
05:00	12	Good	NO2	NO2_Direct	None	None
05:00	18	Good	PM2.5	PM25FEM	None	None
04:00	3	Good	8hr-CO	8hr-CO	None	None
04:00	3	Good	CO	COTRACE	None	None
04:00	13	Good	NO2	NO2_Direct	None	None
04:00	17	Good	PM2.5	PM25FEM	None	None
03:00	3	Good	8hr-CO	8hr-CO	None	None
03:00	3	Good	CO	COTRACE	None	None
03:00	14	Good	NO2	NO2_Direct	None	None