Main Content Quick View Current Monitoring Data Summaries Air Quality in IndianaMonitoring Current: Quick View Current Monitoring Data Summaries Carbon Monoxide (CO) Summary Table [XLS] Lead (Pb) Summary Table [XLS] Nitrogen Dioxide (NO2) Summary Table [XLS] Ozone (O3) Summary Table [XLS] Particulate Matter (PM2.5) Summary Table [XLS] Particulate Matter (PM10) Summary Table [XLS] Sulfur Dioxide (SO2) Summary Table [XLS] Online Services Acronyms List Electronic Permitting Enforcement Database Forms.IN.gov Online Air Permit Search Real-Time Monitoring Smog Watch Virtual File Cabinet More IN.gov Online Services IN.gov Subscriber Center