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IDEM's Air Monitoring Sites are polled hourly every day in order to obtain the most current information on the air quality throughout the state. Click on the map or table below to find the most recent NOX Monitor readings for the location nearest you:
|Lake||Gary||Gary - IITRI|
|Marion||Indianapolis||Indpls - E 16th St|
|St Joseph||South Bend||SB - N Ironwood Ave|
|Vanderburgh||Evansville||Ev - Mill Rd Fire Sta|