Air quality in Phra Samut Chedi

Air quality index (AQI) and PM2.5 air pollution in Phra Samut Chedi

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AIR QUALITY DATA CONTRIBUTORS

1 Station operated by

Thailand Pollution Control Department

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Weather

What is the current weather in Phra Samut Chedi?

Weather icon
WeatherFew clouds
Temperature89.6°F
Humidity63%
Wind16.1 mp/h
Pressure29.8 Hg

live aqi city ranking

Real-time Thailand city ranking

#cityUS AQI
1 Chiang Rai, Chiang Rai

183

2 Chiang Mai, Chiang Mai

181

3 Doi Saket, Chiang Mai

181

4 San Sai, Chiang Mai

173

5 Mae Mo, Lampang

164

6 Uttaradit, Uttaradit

157

7 Sukhothai, Sukhothai

151

8 Khon Kaen, Khon Kaen

144

9 Phitsanulok, Phitsanulok

137

10 Ayutthaya, Phra Nakhon Si Ayutthaya

133

(local time)

SEE WORLD AQI RANKING

live Phra Samut Chedi aqi ranking

Real-time Phra Samut Chedi air quality ranking

#stationUS AQI
1 City Hall, Samut Prakan

91

(local time)

SEE WORLD AQI RANKING

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US AQI

91

live AQI index
Moderate

Human face indicating AQI level

Overview

What is the current air quality in Phra Samut Chedi?

Air pollution levelAir quality indexMain pollutant
Moderate 91 US AQIPM2.5
PollutantsConcentration
PM2.5
31.2µg/m³
CO
629.8µg/m³
!

PM2.5

x6.2

PM2.5 concentration in Phra Samut Chedi is currently 6.2 times the WHO annual air quality guideline value

Health Recommendations

What is the current air quality in Phra Samut Chedi?

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Forecast

Phra Samut Chedi air quality index (AQI) forecast

DayPollution levelWeatherTemperatureWind
Saturday, Mar 16

Moderate 92 AQI US

Human face indicating AQI level
Weather icon
89.6° 82.4°
Wind rotating 187 degree 15.7 mp/h
Sunday, Mar 17

Moderate 88 AQI US

Human face indicating AQI level
Weather icon
89.6° 82.4°
Wind rotating 185 degree 13.4 mp/h
Monday, Mar 18

Unhealthy for sensitive groups 103 AQI US

Human face indicating AQI level
Weather icon
91.4° 82.4°
Wind rotating 183 degree 15.7 mp/h
Today

Moderate 91 AQI US

Human face indicating AQI level
Weather icon 40%
89.6° 82.4°
Wind rotating 180 degree 15.7 mp/h
Wednesday, Mar 20

Moderate 96 AQI US

Human face indicating AQI level
Weather icon 90%
89.6° 78.8°
Wind rotating 197 degree 13.4 mp/h
Thursday, Mar 21

Moderate 90 AQI US

Human face indicating AQI level
Weather icon 80%
89.6° 80.6°
Wind rotating 212 degree 13.4 mp/h
Friday, Mar 22

Moderate 92 AQI US

Human face indicating AQI level
Weather icon 40%
89.6° 80.6°
Wind rotating 189 degree 15.7 mp/h
Saturday, Mar 23

Moderate 71 AQI US

Human face indicating AQI level
Weather icon 60%
89.6° 82.4°
Wind rotating 175 degree 15.7 mp/h
Sunday, Mar 24

Moderate 65 AQI US

Human face indicating AQI level
Weather icon 50%
89.6° 82.4°
Wind rotating 179 degree 15.7 mp/h
Monday, Mar 25

Moderate 67 AQI US

Human face indicating AQI level
Weather icon 20%
89.6° 82.4°
Wind rotating 184 degree 15.7 mp/h

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AIR QUALITY ANALYSIS AND STATISTICS FOR Phra Samut Chedi

What is the air pollution level like in Phra Samut Chedi?

Phra Samut Chedi has seen some poor levels of air quality in the past few years, with a variety of different sources all contributing to these elevated numbers of PM2.5 and US AQI, the two main measures of air pollution that are used on the IQAir website. US AQI is a number aggregated from the several main pollutants typically found in the air, not just in Phra Samut Chedi but found globally, due to the prevalence of their release from all ‘normal’ polluting sources, some of which will be discussed in the following question.

The US AQI number is calculated from the volume of the aforementioned main pollutants found in the air, with them being ones such as ozone (O3), otherwise more commonly known as smog when it accumulates in large amounts, blanketing roads and other areas of busy cities in a thick visible fog. Others include nitrogen dioxide (NO2) and sulfur dioxide (SO2). The two main types of particle pollution, PM2.5 and PM10 are also included, with PM2.5 being the far more deadly of the two, due to its extremely small size of 2.5 micrometers or less in diameter.

With this knowledge of the units of air pollution measurement in mind, we can take a look at the air pollution levels as seen on record in Phra Samut Chedi, with early June of 2021 coming in with a US AQI reading of 76, placing it into the higher end of the ‘moderate’ air pollutions rating bracket. This rating is color coded as yellow, and requires a US AQI reading of anywhere between 51 to 100 to be classified as such.

As per the guidelines set out by the US Environmental Protection Agency (EPA), any reading between 0 to 150 is deemed as ‘acceptable’, albeit with readings on the higher end of this spectrum having some detrimental effects on certain members of the population, with even healthy individuals possibly starting to experience some aggravation to their respiratory tract.

Other readings of US AQI that came in in Phra Samut Chedi over May of 2021 include readings of 84 and 86, even higher on the moderate rating. For health and safety recommendations, the aforementioned vulnerable individuals may wish to avoid outdoor strenuous activities lest they experience any respiratory symptoms as a result. Other readings include ones such as 107 and 121, taken in early May of 2021.

These would fall into the ‘unhealthy for sensitive groups’ bracket, which requires a US AQI reading of 101 to 150 to be classified as such, and is color coded as orange. Whilst this is still within the ‘acceptable’ range of air pollution (although of note is that whilst acceptable it could certainly stand to be much better), the general public may start to experience some form of respiratory irritation, as well as vulnerable individuals being even more at risk to developing acute respiratory or pulmonary ailments.

These vulnerable groups would include people such as young children and the elderly, along with pregnant women, those with pre-existing health conditions, as well as those who have compromised immune systems or a hypersensitivity towards certain chemicals or fine particles.

Whilst these groups are most at risk, when the readings go up to ones such as 153, which was also recorded in Early May of 2021, all members of the population would be at an elevated risk of developing severe health issues if exposure is excessive or prolonged. This reading of 153 falls into the ‘unhealthy’ air quality ratings bracket, which is color coded as red and requires a US AQI reading of 151 to 200.

Why is Phra Samut Chedi so badly polluted?

Whilst the US AQI readings of Mid-2021 were discussed in the question above, observing the yearly PM2.5 reading taken over 2020, it can be seen that an average of 28.5 μg/m³ was attained, placing it into the moderate ratings bracket, once again color coded as yellow but with the difference of being classified based on micrograms per cubic meter (μg/m³), requiring a reading of anywhere between 12.1 to 35.4 μg/m³ for classification.

This reading placed Phra Samut Chedi in 25th place out of all cities ranked in Thailand for 2020, as well as 440th place out of all cities ranked worldwide. In order to attain such a high reading of air pollution, the numerous and constant sources of air pollution present would be ones such as high levels of vehicular emissions.

Cars, motorbikes and other heavier freight vehicles would all give out large amounts of hazardous particles and chemical pollutants, particularly if the model is old and worn down, causing vehicles to leak large amounts of noxious oil vapors. Other significant causes of air pollution would be fires started by people in order to remove large amounts of waste and garbage (sometimes started on purpose, and other times accidentally initiated), both of the synthetic and organic material variety. Whilst the northern region of Thailand tends to see more open fires caused by farmers, the lower and central regions do not suffer from this issue as prevalently. Other causes include emissions from power plants, factories and other industrial areas.

Can air pollution in Phra Samut Chedi cause damage to your health?

With US AQI readings going into the ‘unhealthy’ ratings bracket, there are certainly times of the year whereby the pollution levels can cause significant damage to one’s health. Some ailments would include dry coughs and chest pain, along with increased respiratory infections and chronic obstructive pulmonary disease (COPD).

Asthma, pneumonia and bronchitis are part of the COPD collective, and would appear alongside even more serious health issues such as heart attacks, strokes, ischemic heart disease, and death.

When does Phra Samut Chedi have the worst air quality?

Observing the data collected over 2020 as a concise measure, it can be seen that the months of November and December had the highest readings of PM2.5 on record, coming in with readings of 38.8 μg/m³ and 44.5 μg/m³ respectively.

These figures placed November and December into the 'unhealthy for sensitive groups' ratings bracket, the only two months of the year in 2020 to do so.

When does Phra Samut Chedi have the cleanest air quality?

Whilst the air pollution level remained fairly consistent in its elevations, with no distinct periods of time with large drops in the PM2.5 count, it can be seen that out of all of the months, June through to September had the best level of air quality, relatively speaking.

Their readings were 21.7 μg/m³, 22 μg/m³, 21.6 μg/m³ and 22.2 μg/m³ respectively, all still fairly high but far better than the final two months of 2020. Out of all of these, June was the cleanest month on record with its reading of 21.7 μg/m³.

Phra Samut Chedi air quality data attribution

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Where is the cleanest air quality in Phra Samut Chedi?

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