BI 9000 AQMS Air Quality Monitoring System delivers accurate measurement data in real time for a wide range of air quality criteria in a compact and modular package. Measurable parameters include Ozone (O3), Nitrogen Dioxide (NO2), Nitric Oxide (NO), Carbon Monoxide (CO), Carbon Dioxide (CO2), Sulphur Dioxide (SO2), Hydrogen Sulphide (H2S), and other toxic gases. Also the other particulate matter by parts measured are PM 2.5, PM10 and TSP.