Air quality monitoring refers to continuous measurement of specific air pollutants also known as “criteria air pollutants”. Obtained air pollution data together with natural background/trace gas monitoring and stationary source emission monitoring helps to define what kind of air pollution people are exposed to. Air pollution monitoring data is essential for air pollution assessment, countermeasures and environment pollution policies by local and national authorities, private and public companies, and national organizations.
HORIBA offers cutomer oriented tailor-made system solutions with its state-of-the-art analytical technologies and more than 50 years experience in ambient air market. As your true partner in environmental preservation, we deliver air quality monitoring, indoor air quality monitoring , clean room airborne molecular contamination monitoring , quality control and stationary emission monitoring by diluted stack gas monitoring.
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|Carbon monoxide（CO）||Carbon dioxide（CO2）||Nitrogen oxides (NOX）|
|Ozone（O3）||Ammonia（NH3）||Sulfur dioxide (SO2）|
|Hydrogen sulfide（H2S）||Total Hydro Carbon（THC）||Particulate Matter（PM2.5）|
|Suspended Particulate Matter (SPM）|
Nitrogen oxides (NOx) are mainly nitrogen monoxide (NO) and nitrogen dioxide (NO2). Nitrogen oxides (NOx) cause photochemical smog and acid rain, and nitrogen dioxide (NO2) in particular has a negative effect on the human respiratory system, including the throat, organs, and lungs.
Ammonia (NH3) is a gas with a strong odor similar to urine, and each country has its own emission regulations because it is also a malodorous substance. It's commonly released from livestock waste, fertilizers, and vehicles. When it reacts with nitrogen oxides (NOx) and sulfur oxides (SOx) in the atmosphere, it can contribute to the formation of PM2.5, which is a type of harmful air pollutant.
Sulfur dioxide (SO2) is created when burning fossil fuels that contain sulfur, such as oil and coal. This gas is known to trigger asthma and is also a contributor to acid rain.
Hydrogen sulfide (H2S) is a gas that has a distinct smell similar to that of rotten eggs. Each country has its own emission regulations because it is also a malodorous substance. When people come into contact with it, it can cause eye and respiratory irritation, headaches, and dizziness. This gas is also commonly found in geothermal and hot spring regions.
Carbon monoxide (CO) is mostly created when carbon compounds are not fully burned. When humans breathe it in, it attaches to their hemoglobin and stops it from carrying oxygen, causing various harmful effects. It is also believed to extend the lifespan of methane, which is a greenhouse gas.
Carbon dioxide (CO2) is considered a major cause of accelerated global warming, and in recent years, there have been discussions around the world about reducing its emissions. Monitoring indoor levels of carbon dioxide (CO2) has also gained attention as a way to maintain a healthy and productive work environment.
Ozone (O3) is one of the main substances causing photochemical smog, which is formed when nitrogen oxides and hydrocarbons in the atmosphere are exposed to sunlight and undergo photochemical reactions. Photochemical smog causes eye pain, nausea, and headaches in humans.
Hydrocarbons are a general term for organic compounds consisting of carbon and hydrogen bonded together. Non-methane hydrocarbons (NMHC) are involved in the photochemical reactions of photochemical smog. Methane (CH4) is also a major greenhouse gas that accelerates global warming.
Suspended dust is composed of various substances, including inorganic and organic elements, and is classified into SPM, PM2.5, PM10, etc. according to particle size. The smaller the particle size, the more likely it is to penetrate deep into the body and cause respiratory diseases. Particulate matter also includes short-lived climate pollutants that contribute to global warming, of which black carbon is a typical example.
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