Air Quality in Kansas

Kansas has 11 counties with EPA air quality monitoring. Air quality is generally worsening across the state, with an average of 250 "Good" days per county per year. The best air quality is in Ford (median AQI 26) and the most polluted is Wyandotte (median AQI 46).

County	Median AQI	Max AQI	Good Days	Unhealthy Days	Trend	Top Pollutant
Chase	29	94	106	0	→ stable	PM2.5
Ford	26	80	317	0	↑ worsening	PM2.5
Johnson	44	80	257	0	↑ worsening	Ozone
Leavenworth	36	97	327	0	→ stable	Ozone
Neosho	44	168	247	3	↑ worsening	Ozone
Sedgwick	43	180	275	3	→ stable	Ozone
Shawnee	45	125	246	1	→ stable	Ozone
Sherman	27	138	271	2	↑ worsening	PM2.5
Sumner	44	196	232	3	↑ worsening	PM2.5
Trego	44	127	261	4	↑ worsening	Ozone
Wyandotte	46	126	214	3	→ stable	PM2.5