Measurements

Get the measure of your air

Accurately measure a range of common airborne pollutants using industry-leading sensor technology.

Nitrogen Dioxide (NO2)

Nitrogen Dioxide (NO2) is a highly reactive gas formed via the oxidation of nitric oxide. NO2 is typically used as a signifier for the presence of other nitrogen oxides (NOx).

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Nitrogen Oxides (NOx)

Nitrogen oxides (NOx) is a collective term used to refer to nitrogen monoxide (nitric oxide or NO) and nitrogen dioxide (NO2).

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PM2.5

The U.S. EPA defines particulate air pollution as an air-suspended mixture of both solid and liquid particles. PM2.5, known as fine particles, poses the greatest health risk.

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PM10

The U.S. EPA defines particulate air pollution as an air-suspended mixture of both solid and liquid particles. PM10 refers to particles less than 10µm (micrometers) in diameter.

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Total Suspended Particulate (TSP)

The U.S. EPA defines particulate air pollution as an air-suspended mixture of both solid and liquid particles. TSP includes airborne particles > 10µm (micrometers) in diameter.

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Wind

Wind is a critical factor when measuring particulate matter or designing a dust monitoring plan (for example, during construction or remediation activities.)

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Noise

Noise has been defined as an “unwanted or disturbing sound.” Unwanted sound can be anything that interferes with normal activities (like sleeping) or impacts one’s quality of life.

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Ozone (O3)

Ozone is an unstable gas formed by the combination of three oxygen atoms. Ground-level ozone can cause health risks and harmfully impact the environment.

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Carbon Monoxide (CO)

Carbon monoxide (CO) consists of one carbon atom and one oxygen atom. It is a toxic, odorless, colorless gas found naturally at low concentrations in the atmosphere.

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Carbon Dioxide (CO2)

Carbon Dioxide (CO2) is composed of a carbon atom bonded to two oxygen atoms. It’s a naturally occurring gas that is fundamental for life on Earth.

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Sulfur Dioxide (SO2)

Sulfur Dioxide (SO2) is a toxic gas with a strong irritating smell, used across a range of industries - such as winemaking and for dried fruits, due to its antimicrobial properties.

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Volatile Organic Compounds (VOCs)

Volatile organic compounds (VOCs) include a wide range of carbon-based chemicals (or compounds) found in various man-made and naturally-occurring solids and liquids.

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Hydrogen Sulfide (H2S)

Hydrogen sulfide (H2S) is a naturally occurring colorless, toxic gas, notable for its very distinct odor (like rotten eggs) even at very low concentrations.

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Hydrogen

Hydrogen (H) is the most abundant chemical substance in the universe. Pure hydrogen gas (H2) is scarce in the Earth’s atmosphere as it is lighter than air.

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Ammonia (NH3)

Ammonia (NH3) consists of nitrogen and hydrogen atoms. It is an important compound in many biological processes and is a key part of the nitrogen cycle.

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Chlorine (CL2)

Chlorine (CL2) is a toxic gas made up of two chlorine atoms. Chlorine plays an important role in water sanitation as it can kill bacteria and other microbes present in water.

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Formaldehyde (CH2O)

Formaldehyde (CH2O) is a naturally-occurring organic compound known for its pungent, irritating odor. It’s found in nature and is used in several industrial applications.

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Methane (CH4)

Methane gas (CH4) is a chemical compound made up of one carbon atom and four hydrogen atoms. It’s the main component of natural gas and is used for fuel.

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Perchloroethylene (C2CL4)

Perchloroethylene (C2CL4), sometimes referred to as Tetrachloroethylene, is a colorless liquid commonly used in dry cleaning and metal degreasing.

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