State Agencies:
Arkansas - https://www.adeq.state.ar.us/air/

Iowa -http://www.iowadnr.gov/Environmental-Protection/Air-Quality

Kansas - https://www.kdhe.ks.gov/166/Air

Louisiana - http://deq.louisiana.gov/subhome/air

Missouri - http://dnr.mo.gov/env/apcp/index.html

Nebraska - https://dee.nebraska.gov/air

Oklahoma - http://www.deq.state.ok.us/aqdnew/index.htm

Texas - https://www.tceq.texas.gov/agency/air_main.html

EPA Region 6 Local Agencies:
City of Dallas - https://dallascityhall.com/departments/OEQ/Pages/air_quality.aspx

City of El Paso - https://www.elpasotexas.gov/environmental-services/

City of Fort  Worth - https://www.fortworthtexas.gov/departments/environmental-services/environmental-quality/air-quality

Harris County - https://publichealth.harriscountytx.gov/Divisions-Offices/Divisions/Environmental-Public-Health

City of Houston, Bureau of Pollution Control and Prevention - https://www.houstonhealth.org/services/pollution-control/outdoor-air-quality

Galveston County Health District - http://www.gchd.org/public-health-services/environmental-health-services...

EPA Region 7 Local Agencies:

City of Omaha - https://publicworks.cityofomaha.org/air-quality-control

City of Wichita - https://www.wichita.gov/368/Air-Quality

Douglas County Health Department - http://www.douglascountyhealth.com/home

Johnson County Kansas Environmental Department - https://www.jocogov.org/county-services?search=&department=24&category=70

Kansas City Missouri Environmental Health Department - https://www.kcmo.gov/city-hall/departments/city-manager-s-office/office-of-environmental-quality

Lincoln (City of) - Lancaster County - https://ephportal.lincoln.ne.gov/#/665ae457-4c8a-490d-83e1-b9bd0c91e073/page/Splash%20Page%20Air%20Quality

Linn County Air Quality Division - https://www.linncountyiowa.gov/1429/Air-Quality

Polk County Air Quality Division - https://www.polkcountyiowa.gov/public-works/air-quality/

St. Louis, MO - https://www.stlouis-mo.gov/government/departments/health/environmental-h...

St. Louis County - http://www.stlouisco.com/HealthandWellness/EnvironmentalServices/AirPoll...

Unified Government of Wyandotte County - Kansas City, Kansas - http://www.wycokck.org/airquality/