the average levels of PM2.5 were measured during 24-hour period
Supplementary notes
Particulate matter (PM) is a mixture of solid and liquid particle that is suspended in the air. PM2.5 are fine particles with a diameter less than 2.5 micrometers (more than 100 times thinner than a human hair) and remain suspended for a longer period in the air. Fine particles are also harmful to the lungs, causing asthma and worsening health conditions such as heart disease and arthritis.
On average, there were ** micrograms of PM2.5 particles per cubic meter found in the air in Bangkok in 2023. The PM2.5 dust situation in Bangkok Metropolis and Vicinities is mainly caused by traffic and industrial sectors.
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Pollution Control Department (Thailand). (June 21, 2024). Average levels of particulate matter (PM2.5) in the air in Bangkok Metropolitan Region (BMR) in Thailand in 2023 (in micrograms per cubic meter) [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved August 04, 2026, from /statistics/1296551/thailand-average-pm25-particle-levels-in-bangkok-metropolitan-region/
Pollution Control Department (Thailand). "Average levels of particulate matter (PM2.5) in the air in Bangkok Metropolitan Region (BMR) in Thailand in 2023 (in micrograms per cubic meter)." Chart. June 21, 2024. ÌÇÐÄÆƽâ°æ. Accessed August 04, 2026. /statistics/1296551/thailand-average-pm25-particle-levels-in-bangkok-metropolitan-region/
Pollution Control Department (Thailand). (2024). Average levels of particulate matter (PM2.5) in the air in Bangkok Metropolitan Region (BMR) in Thailand in 2023 (in micrograms per cubic meter). ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: August 04, 2026. /statistics/1296551/thailand-average-pm25-particle-levels-in-bangkok-metropolitan-region/
Pollution Control Department (Thailand). "Average Levels of Particulate Matter (Pm2.5) in The Air in Bangkok Metropolitan Region (Bmr) in Thailand in 2023 (in Micrograms per Cubic Meter)." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 21 Jun 2024, /statistics/1296551/thailand-average-pm25-particle-levels-in-bangkok-metropolitan-region/
Pollution Control Department (Thailand), Average levels of particulate matter (PM2.5) in the air in Bangkok Metropolitan Region (BMR) in Thailand in 2023 (in micrograms per cubic meter) ÌÇÐÄÆƽâ°æ, /statistics/1296551/thailand-average-pm25-particle-levels-in-bangkok-metropolitan-region/ (last visited August 04, 2026)
Average levels of particulate matter (PM2.5) in the air in Bangkok Metropolitan Region (BMR) in Thailand in 2023 (in micrograms per cubic meter) [Graph], Pollution Control Department (Thailand), June 21, 2024. [Online]. Available: /statistics/1296551/thailand-average-pm25-particle-levels-in-bangkok-metropolitan-region/
