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24 January 2023

What Is an Air Quality Monitoring Station? How It Helps with Dust and Pollution

Air Quality Monitoring Stations: Tracking Air Quality for Better Health

Over the past several years, many countries around the world have faced air filled with pollutants such as PM 2.5 dust, black soot, and other toxic gases, and Thailand is one of the countries with heavily polluted air. Air quality monitoring stations help track and measure air quality so everyone can respond quickly to air pollution, live safely, and stay healthy in the long term.


Table of Contents


What Is an Air Quality Monitoring Station (AQMS)?

An air quality monitoring station (AQMS) is equipment for measuring and analyzing meteorological conditions to continuously record and track data such as wind direction, wind speed, temperature, air pressure, relative humidity, rainfall, and radiation. 

Air quality monitoring stations are also used to measure airborne pollutants, such as PM 2.5, PM10, SO2, NOx, CO, and O3, around the clock with high efficiency. This helps people keep watch on changing air quality and respond quickly to air conditions that are hazardous to health.


Components of an Air Quality Monitoring Station

An air quality monitoring station is made up of various instruments for measuring air quality, such as SO2 monitors, CO2 monitors, NO2 monitors, combustion efficiency analyzers, and other equipment. Here are some examples of high-quality instruments that make up an air quality monitoring station and are suitable for use in many industries:

Particulate Monitoring

A particulate monitor continuously measures and tracks levels of airborne dust particles such as PM 2.5 and PM 10. If measurements show large amounts of fine dust that is harmful to health, action can be taken to address the dust problem.

The dust monitor we recommend is the Thermo Scientific™ Model 5030i SHARP, a high-quality dust monitor that tracks and measures PM 2.5 and PM 10 particles in real time and in detail. It can receive large volumes of data quickly and accurately via an Ethernet connection, and its easy-to-use system ensures you can operate it to its full potential.

SO2 Monitor

A sulfur dioxide monitor measures and tracks levels of sulfur dioxide in the air. This gas is colorless but has a strong odor and is harmful to the body if intake exceeds 0.7 milligrams per day. Using an air pollution monitor makes it easier to know the quality of the air.

One SO2 monitor that can be used as part of an air quality monitoring station is the SO2 Monitoring analyzer, which measures sulfur dioxide quickly and accurately with a detection capability down to 50 ppt and adjustable concentration alarm levels. It connects via Ethernet, allowing remote monitoring. 

Sulfur dioxide monitor

CO2 Monitor

A carbon dioxide monitor tracks and measures the concentration of carbon dioxide in the air. It is one of the components of an air quality monitoring system that helps ensure carbon dioxide levels do not rise to the point of being harmful to health.

A well-suited instrument is the CO2 Monitoring analyzer, a carbon dioxide monitor that tracks sources of carbon dioxide and analyzes gas concentrations accurately. Its wide ambient operating temperature range also makes monitoring ambient concentrations more effective.

CO2 monitor at an air quality monitoring station

NO2 Monitor

A nitrogen dioxide monitor measures levels of nitrogen dioxide, which can come from natural sources, vehicles, or industrial plants. Its purpose is to track and analyze gas levels in different locations to keep them below 5 ppm, as nitrogen dioxide is an air pollutant that harms both health and the environment.

If you’re interested in a nitrogen dioxide monitor, the NO-NO2-NOx Monitoring analyzer can measure and analyze gas concentrations in the air and quickly raise alarms at preset concentration levels. It is ideal for installation in factories that use a lot of fuel or burn various substances.

NO2 measurement at an air quality monitoring station

Humidity Meter

A humidity meter measures the relative humidity (amount of water vapor) in the air to monitor and keep humidity at an appropriate level. Relative humidity that is too high or too low can harm health and damage property.

If you need an instrument to measure relative humidity in the air, the Relative Humidity sensor features an intelligent sensor system that measures humidity accurately and withstands a variety of environmental conditions, making it durable with a long service life.

Humidity measurement at an air quality monitoring station

To see details of other products used with air quality monitoring stations, click here: Air Quality Monitoring Station Product Catalog


Benefits of Air Quality Monitoring Stations

  • They allow dust monitors to measure PM 2.5 and other hazardous airborne substances in real time over the internet.
  • They record air quality data.
  • They help analyze air quality levels that are hazardous to health, so solutions can be found quickly.
  • They are easy to move and convenient to install.

Frequently Asked Questions About Air Quality Monitoring Stations

Where are air quality monitoring stations located in Thailand?

Thailand now pays close attention to air quality to protect public health, so there are air quality monitoring stations in many provinces across every region, for example:

Central region: Bangkok, Samut Prakan, Pathum Thani, Nonthaburi, Nakhon Pathom, Samut Sakhon, Samut Songkhram, Saraburi, Sing Buri, Nakhon Sawan, Uthai Thani, Phetchabun, Ayutthaya, Lopburi, Suphan Buri, Ang Thong

Northern region: Kamphaeng Phet, Nan, Phayao, Phichit, Phitsanulok, Uttaradit, Lampang, Lamphun, Chiang Mai, Chiang Rai, Phrae, Mae Hong Son

Northeastern region: Khon Kaen, Chaiyaphum, Nakhon Phanom, Nakhon Ratchasima, Buriram, Mukdahan, Yasothon, Sisaket, Sakon Nakhon, Nong Khai, Udon Thani, Ubon Ratchathani

Eastern region: Chanthaburi, Chachoengsao, Chonburi, Trat, Prachinburi, Rayong, Sa Kaeo

Western region: Kanchanaburi, Prachuap Khiri Khan, Tak, Ratchaburi

Southern region: Trang, Nakhon Si Thammarat, Narathiwat, Pattani, Phang Nga, Phatthalung, Phuket, Yala, Ranong, Songkhla, Satun, Surat Thani

How can I view readings from air quality monitoring stations?

If you want to check real-time dust levels to see whether they are harmful to health, you can use a dust monitoring app. There are many apps today that can quickly check PM 2.5 levels, such as Air4Thai, AirVisual, and GISTDA.


Summary: Air Quality Monitoring Stations

An air quality monitoring station is a meteorological instrument that can monitor wind speed, wind direction, temperature, rainfall, radiation, and more. It can also measure air quality to keep air pollutants such as carbon dioxide, nitrogen dioxide,  sulfur dioxide, and other hazards within levels that are safe for health.

If you’re looking to buy air quality analyzers that help your factory operate smoothly in line with QSHE (Quality, Safety, Health, and Environment) policies, PICO supplies standard-compliant, high-performance air quality monitoring station equipment. Contact us for more information:

Petro-Instruments Co., Ltd. (Head Office)

Address: 7/409 Soi Vibhavadi Rangsit 36, Vibhavadi Rangsit Road, Chatuchak Subdistrict, Chatuchak District, Bangkok 10900, Thailand
Business Hours: Monday–Friday, 8:30 AM–5:30 PM (closed weekends and public holidays)
Tel: (+66)2-939-5711 (12 lines), (+66)2-513-2333 (12 lines)
Email: marketing@pico.co.th

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