Air analysis apparatus, namely, air quality sensors, equipment, instruments, monitors, meters and stations; pollutant sensors, namely, airborne pollutant and contaminant sensors, equipment, instruments, monitors, meters and stations; airborne pollutant and contaminant sensors, equipment, instruments, monitors, meters and stations all in the nature of scientific instruments, namely, electronic analyzers for measuring, testing and detecting contaminants and environmental pollutants; particulate and dust monitoring sensors, equipment, instruments, meters and stations all in the nature of scientific instruments, namely, electronic analyzers for measuring, testing and detecting contaminants and environmental pollutants; air analysis apparatus namely, ambient air monitoring sensors, equipment, instruments, meters and stations; gas sensors for measuring gas concentration; gas testing instruments; gas detectors for detecting the presence of gas including ozone gases; downloadable computer software for use in obtaining, measuring, recording, interpreting, displaying and reporting measurements and readings from sensors, equipment, instruments, monitors, meters and stations in relation to air quality, airborne pollutants and contaminants, ambient air, particulate and dust levels and gas (including ozone) levels; downloadable computer software for use in obtaining, measuring, recording, interpreting, displaying and reporting measurements and readings from sensors, equipment, instruments, monitors, meters and stations in relation to meteorological and environmental factors including temperature, relative humidity, precipitation, wind, noise and light; none of the foregoing for use in connection with vehicles