Looking to find the least polluted cities in Thailand to get a break from air pollution? Smart Air analyzed 2023 air pollution data for dozens of Thailand cities to generate the 2023 ranking of the “10 Least Polluted Cities in Thailand”.
Scroll down for the full rundown of the least polluted cities in Thailand and their annual PM2.5 levels. and their annual PM2.5 levels. The annual average PM2.5 in micrograms (µg/m3) is also given. For reference, the WHO recommended annual limit is 5 micrograms.
Rankings: 10 Least Polluted Cities in Thailand
The rankings for the least polluted cities in Thailand are based on PM2.5 air pollution data from the 12 months prior to the publication date.
1. Sadao (13.9 µg/m3)
2. Trang (15.3 µg/m3)
3. Hat Yai (17.7 µg/m3)
4. Kamphaeng Phet (17.7 µg/m3)
5. Songkhla (17.7 µg/m3)
6. Nakhon Si Thammarat (18 µg/m3)
7. Ban Talat Yai (20.1 µg/m3)
8. Phuket (20.1 µg/m3)
9. Narathiwat (20.7 µg/m3)
10. Ko Samui (21.8 µg/m3)
Read More: The 10 Most Polluted Cities in Thailand 2023?
There is research that even little amounts of pollution such as those typically present in these least polluted cities can have an impact on health.
Below is a pollution heat map from the WHO. WHO research shows that over 99% of people in the world are breathing unsafe air with high air pollution levels.
How Air Pollution Was Measured to Find Least Polluted Cities in Thailand
The above rankings of the 2023 least polluted cities in Thailand were ranked based on their average PM2.5 pollution levels from the 12 months prior to the publication date.
These small pollutants are under 2.5 micrograms in width and are considered to be one of the more dangerous pollutants due to their ability to enter deep into the lungs and bloodstream.
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Hello, could you clarify what is your source of data? Is it the official PM2.5 monitors, and if so just one monitor per city or did you use averages if there was more than one?