Live index with partial source coverage. Prior values were preserved where live retrieval was unavailable: AirNow.

State profile

Missouri

2 indexed cities · average score 40.8

State rank	City	Score	AQI	Water	Moisture	Housing year
#1	Kansas City	43.9	29	0.0%	73.0	1969
#2	St. Louis	37.7	35	0.0%	69.6	1938