Air quality in Hua Hin

Air quality index (AQI) and PM2.5 air pollution in Hua Hin

LAST UPDATE (local time)

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Weather

What is the current weather in Hua Hin?

Weather icon
WeatherBroken clouds
Temperature75.2°C
Humidity74%
Wind18.3 mp/h
Pressure1013 mb

live aqi city ranking

Real-time Thailand city ranking

Tooltip icon
#cityUS AQI
1 Nam Phong, Khon Kaen

162

2 Phra Samut Chedi, Samut Prakan

157

3 Khon Kaen, Khon Kaen

153

4 Nong Bua Lamphu, Nong Bua Lamphu

152

5 Sam Roi Yot, Prachuap Khiri Khan

151

6 Udon Thani, Changwat Udon Thani

151

7 Lampang, Lampang

133

8 Nakhon Phanom, Nakhon Phanom

124

9 Bang Lamung, Chon Buri

123

10 Loei, Loei

122

(local time)

SEE WORLD AQI RANKING

live Hua Hin aqi ranking

Real-time Hua Hin air quality ranking

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#stationUS AQI
1 Khao Takiab - Hua Hin

145

2 Loga Property Management

113

3 Pa La-U

104

4 Sansiri - Autumn Hua Hin

100

5 Halio International School

98

6 Khao Tao Villa Vista

96

7 Hua Hin International School

71

(local time)

SEE WORLD AQI RANKING

US AQI

100

live AQI index
Moderate

Human face indicating AQI level

Overview

What is the current air quality in Hua Hin?

Air pollution levelAir quality indexMain pollutant
Moderate 100 US AQItrendPM2.5
PollutantsConcentration
PM2.5
35.4 µg/m³trend
!

PM2.5

x7.1

PM2.5 concentration in Hua Hin air is currently 7.1 times above the WHO annual air quality guideline value

Health Recommendations

How to protect from air pollution in Hua Hin?

An open window iconClose your windows to avoid dirty outdoor air
A man cycling iconSensitive groups should reduce outdoor exercise

Forecast

Hua Hin air quality index (AQI) forecast

DayPollution levelWeatherTemperatureWind
Sunday, Nov 28

Moderate 82 US AQI

Human face indicating AQI level
Monday, Nov 29

Moderate 87 US AQI

Human face indicating AQI level
Tuesday, Nov 30

Moderate 96 US AQI

Human face indicating AQI level
Today

Moderate 100 US AQI

Human face indicating AQI level
Weather icon78.8°73.4°
Wind rotating 45 degree

20.1 mp/h

Thursday, Dec 2

Moderate 80 US AQI

Human face indicating AQI level
Weather icon77°71.6°
Wind rotating 9 degree

15.7 mp/h

Friday, Dec 3

Moderate 72 US AQI

Human face indicating AQI level
Weather icon77°69.8°
Wind rotating 18 degree

17.9 mp/h

Saturday, Dec 4

Moderate 67 US AQI

Human face indicating AQI level
Weather icon77°69.8°
Wind rotating 28 degree

15.7 mp/h

Sunday, Dec 5

Moderate 70 US AQI

Human face indicating AQI level
Weather icon75.2°66.2°
Wind rotating 7 degree

13.4 mp/h

Monday, Dec 6

Moderate 74 US AQI

Human face indicating AQI level
Weather icon77°66.2°
Wind rotating 9 degree

11.2 mp/h

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Historical

Historic air quality graph for Hua Hin

How to best protect from air pollution?

Reduce your air pollution exposure in Hua Hin

AIR QUALITY ANALYSIS AND STATISTICS FOR Hua Hin

How polluted is the air in Hua Hin?

Hua Hin is a city located in the southern portion of Thailand, but technically located on the northern region of the Malay peninsula, bordering other cities such as Phetchaburi and not finding itself too far from the capital city, Bangkok, being only 199km away by road.

Hua Hin is considered as a beach resort town, and thus a large amount of its industry would revolve around tourism, with future plans to pour significant amounts of money into its travel infrastructure, which is already fairly well developed to begin with, being connected via railways, roads, sea paths and a local airport.

With activities such as these going on, there would be related elevations in pollution levels due to anthropogenic (human caused) activities going on, coupled with an increase in industry, housing and other similar growth associated with a small city looking to become more connected with the rest of the country and thus move further to its eventual urbanization.

In terms of pollution levels, Hua Hin came in with a PM2.5 reading of 21 μg/m³ in 2019, a reading that placed it in the ‘moderate’ ratings bracket, which requires a PM2.5 reading of anywhere between 12.1 to 35.4 μg/m³ to be classified as such. This is somewhat on the higher side of the moderate bracket, and although there are months of respite where the air quality is significantly cleaner, it stands to reason that Hua Hin could definitely improve its pollution levels, especially as a coastal city which is subject to stronger coastal winds that should by most standards blow away a lot of pollution.

Hua Hin’s reading of 21 μg/m³ over 2019 placed it into 52nd place out of all cities ranked in Thailand, as well as 826th place out of all cities ranked worldwide.

What are the main causes of pollution in Hua Hin?

As a somewhat small and not overly populated city, Hua Hin finds much of its pollution coming from locally produced small scale pollution that gains momentum as more and more people participate in the given activities.

Although tourism in 2020 would have seen a significant drop due to the covid-19 outbreak causing worldwide lockdowns, the previous years would have seen some of its PM2.5 elevations coming from the numerous buses, ships, tour boats and other touristic activities (such as motorboats and any other form of travel or entertainment that relies on the use of fuel).

It seems that one of the more significant pollutive issues in Hua Hin is from the massive use, or overuse of motorcycles by locals living on the island, as well as those rented by visitors. Many of these motorbikes would release far more pollution than an average modern car, due to the design of their motors coupled with low grade fuel powering them.

Motorbikes in this region will often run on two stroke engines, which are extremely inefficient as combustion units, often emitting large amounts of smoke and oil and fuel particles, leftover due to an incomplete combustion process. With higher speeds, old engines, and overloading of these motorcycles (such as multiple people riding on them at the same time), pollutive output would be greater and thus drive the PM2.5 levels up even further.

Whilst this is a prominent cause for concern in Hua Hin, other forms of pollution would come from sources such as open burn sites, both concerning crop fields, as well as piles of organic refuse as well as regular garbage, sometimes being set alight in areas that have little or no access to proper rubbish collection. Construction sites and road repairs would also contribute to fine particulate matter in the air, increasing the pollution levels further.

When is Hua Hin at its most polluted?

Observing the data taken over 2019, the months that came in with the highest readings of PM2.5 were distinct in their pattern. Towards the very end of the year, the PM2.5 readings starting to rise, and this continued on in the next year until around April, when the pollution levels started to abate.

The most polluted months on record in Hua Hin as of 2019 were November and December, with PM2.5 readings of 33.5 μg/m³ and 38.5 μg/m³ respectively, making December the most polluted month of the year, coming in at the ‘unhealthy for sensitive groups’ bracket, the only month of the year to do so.

When is the air quality in Hua Hin at its best?

Following on from the previous question, as mentioned the levels of PM2.5 start to fall around April, seeing some fairly significant improvements in air quality, free from the smoke, haze, smog and fumes that would permeate the air during the latter months of the year.

April came in with a PM2.5 reading of 23.5 μg/m³, followed by a pleasant drop to 17.3 μg/m³ in May. From here is when the pollution levels really improved, with the next few months of June to August having the best quality of air.

They came in with PM2.5 readings of 7.6 μg/m³, 9.4 μg/m³ and 5.1 μg/m³ respectively. All of these readings fell within the World Health Organizations (WHO's) target bracket of 10 μg/m³ or less, indicating some of the best quality of air (with the closer to 0 being of course the most optimal). With these readings on record, the cleanest month of the year was August with its reading of 5.1 μg/m³.

What are the main pollutants found in the air in Hua Hin?

With a vast majority of its pollution coming from vehicles such as motorbikes, there would be a subsequent relation to the types of pollutants found in the air, many of which find their source from the use of fuels.

Black carbon and volatile organic compounds (VOC's) would be found in the atmosphere, both of which are produced by the incomplete combustion of both fossil fuels and organic matter. As mentioned, both of these come from motorbike engines, as well as the occasional open burn site.

Black carbon is an extremely dangerous fine particulate matter that makes up the majority of soot, with known carcinogenic properties. Some examples of VOC's include benzene, toluene, xylene and formaldehyde, all highly dangerous and easy to respire due to their volatile nature putting them into a gaseous state at lower temperatures.

Other pollutants would include prominent ones such as nitrogen dioxide (NO2) and sulfur dioxide (SO2), with nitrogen dioxide figuring largely in any area that sees a high volume of vehicle usage. Other pollutants of note would be polynuclear aromatic hydrocarbons, once again released from multiple combustion sources, as well as fine gravel and silica dust released from construction sites and road repairs.

Hua Hin air quality data attribution

Contributors 5

Data sources 2

Data validated and calibrated by IQAir

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