清萊的空气质量

清萊的空气质量指数(AQI)和PM2.5空气污染

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带有彩色AQI图标的IQAir地图

空气质量提供者和数据来源

数据来自

数据提供者

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数据来源

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Mareeruk Chiang Rai School (Primary Section)的主页标志Thailand Pollution Control Department的主页标志5 匿名数据提供者的主页标志IQAir的主页标志Thailand Pollution Control Department的主页标志

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天气

清萊现在的天气怎么样?

天气图标
天气
温度62.6°C
湿度88%
风速和风向0.6 mp/h
气压1015 mb

实时AQI城市排名

实时泰国 热门城市排名

#city美国 AQI
1 Phra Samut Chedi, Samut Prakan

264

2 Sam Phran, Nakhon Pathom

248

3 Pathum Wan, 曼谷

230

4 Thawi Watthana, 曼谷

220

5 羅勇市, Rayong

213

6 Samut Prakan, Samut Prakan

212

7 Samut Sakhon, Samut Sakhon

208

8 Chachoengsao, Chachoengsao

206

9 佛统, Nakhon Pathom

206

10 Chon Buri, Chon Buri

198

(当地时间)

查看世界AQI排名

实时清萊 AQI排名

实时清萊空气质量排名

#station美国 AQI
1 Wiang Phang Kham, Mae Sai

181

2 CRIS - Chiang Rai International School

175

3 Hyundai Chiang Rai

172

4 Mareeruk Chiang Rai School (Kindergarten Section)

171

5 Maesai Health Office

170

6 CRICS - Chiang Rai International Christian School

166

7 Sob Ruak Doi Sa Ngo

159

8 Doi Dhammanava Study Center

158

9 Natural Resources and Environment Office

153

(当地时间)

查看世界AQI排名

美国 AQI

172

实时空气质量指数(AQI)
不健康

表示AQI等级的人脸

概览

清萊现在的空气质量指数(AQI)是多少?

空气污染等级空气质量指数(AQI)主要污染物
不健康 172 美国 AQItrendPM2.5
污染物浓度
PM2.5
97.1 µg/m³trend

健康建议

清萊空气污染,如何做好防护?

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骑车图标避免室外运动

预报

清萊空气质量指数(AQI)预报

污染等级天气温度风速和风向
星期二, 1月 19

中等 98 美国 AQI

表示AQI等级的人脸
星期三, 1月 20

不健康 152 美国 AQI

表示AQI等级的人脸
星期四, 1月 21

不健康 157 美国 AQI

表示AQI等级的人脸
今天

不健康 164 美国 AQI

表示AQI等级的人脸
天气图标84.2°59°
风向144度流动

0 mp/h

星期六, 1月 23

对敏感人群不健康 104 美国 AQI

表示AQI等级的人脸
天气图标82.4°57.2°
风向152度流动

2.2 mp/h

星期日, 1月 24

中等 87 美国 AQI

表示AQI等级的人脸
天气图标86°57.2°
风向191度流动

2.2 mp/h

星期一, 1月 25

中等 80 美国 AQI

表示AQI等级的人脸
天气图标86°57.2°
风向174度流动

0 mp/h

星期二, 1月 26

中等 81 美国 AQI

表示AQI等级的人脸
天气图标87.8°59°
风向165度流动

2.2 mp/h

星期三, 1月 27

中等 95 美国 AQI

表示AQI等级的人脸
天气图标87.8°59°
风向174度流动

2.2 mp/h

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历史

清萊历史空气质量图表

如何更好地远离空气污染侵害?

减少您在清萊 空气的污染暴露值

清萊 空气质量分析和数据

Does Chiang Rai have a good air quality rating?

Chiang Rai is a major city in Thailand located at the northernmost part of the country, with a population of some 200,000 or more people. It spans an area of some 61 km2, a city of modest size in comparison to Bangkok’s 1,569 km². Going by measurements taken over 2019, Chiang Rai had an average PM2.5 rating of 37μg/m3, in regards to the content of fine particulate matter recorded in the air.

This reading of 37 μg/m3 puts it into ‘unhealthy for sensitive individuals’ bracket, which requires a reading somewhere between 35.5 to 55.4 μg/m3 of PM2.5 in the air to find itself in this group. This is considerably further over the World Health Organizations target of 0 to 10 μg/m3, or even a ‘good’ rating of 10 to 12 μg/m3. Furthermore, the reading places it number 5 in the list of the 50 cities ranked in Thailand, a considerably high ranking when you consider that Bangkok, world renowned for its pollution choked roads, smoke and haze, is only ranked at number 48.

Chiang Rai saw its worst readings regarding the PM2.5 during the months of March through till May, with all three of those months coming in at the ‘unhealthy’ bracket, with March being the worst offender with a PM2.5 rating of 113.8 μg/m3, a number indicating that the air would be full of noxious pollutants such as nitrogen dioxide (NO2), Sulphur dioxide (SO2) as well as numerous volatile organic compounds (VOC’s), the origins and causes of which will be discussed later on. However, as with most cities in Thailand, it has its brief respite during monsoon season when the air quality drops to within the WHO’s target of 10 μg/m3 or less, with June coming in at 10.4 μg/m3 (a ranking that puts it in the ‘good’ bracket), then July and August coming in at 7.6 and 7.2 respectively on the air quality index.

What are the main causes of pollution in Chiang Rai?

The main causes of pollution in Chiang Rai are a similar story told throughout Thailand, and other countries in the region. Besides the smoke and other contaminants containing PM2.5 given out by vehicular emission, slash and burn farming is the culprit which causes the massive spikes in the air quality index and the levels of PM2.5 to rise so high. These practices produce vast amounts of the aforementioned VOC’s, along with black carbon (BC), an extremely dangerous form of PM2.5 that has not only prominent health effects on people, both long and short term, but impacts the atmosphere, contributing to global warming and climate change.

Despite warnings of retribution by governing bodies and international pressure, these practices continue to take place year after year unabated. The farmers resort to slash and burn methods, whereby they set fire to vast swathes of both forests and farmland in preparation for their crop plantation preceding the rainy season. These practices would start around March, a prime indicator for the sizeable increase in the PM2.5 levels recorded in the data charts, with a PM2.5 reading of 40.5 μg/m3 recorded in February jumping up to 113.8 μg/m3 in March.

Besides this, the other causes would be the usual smoke and haze emission from factories and other industrial sectors. Chiang Rai is also home to a large collection of temples and other cultural attractions, as well as beautiful jungle and mountain landscapes that would be a driving factor for growth in the tourism sector. This would increase pollution from vehicular emission from the numerous buses and cars coming in and out of Chiang Rai, although this industry will have been slowed considerably in 2020 due to the COVID-19 outbreak.

What effect does the quality of the air in Chiang Rai have on health?

The effects of PM2.5 as well as its larger cousin PM10, particulate matter of 10 or less micrometers across, can have numerous negative effects on our health. The smoke and haze released from the burning of organic materials can trigger asthma attacks in people with preexisting conditions, worsening symptoms of chronic obstructive pulmonary disease (COPD) or being a root cause of them in the first place, with prolonged exposure to both PM2.5 and PM10 reducing life expectancy, increasing the risk of cardiovascular issues and decreased lung function.

During the worst months of the year when the haze pollution starts to permeate the atmosphere, winds can bring about vast amounts of the carcinogenic dust into contact with the city’s population.

To go into further detail about the risks that poor air quality can pose to health, short term effects from exposure to smoke and pollution containing both PM2.5 and PM10 can include ailments such as pneumonia or bronchitis, as well as irritation to the respiratory tract (both internal and external) and irritation to the skin. Longer term effects can cause permanent reduction to lung function or emphysema (part of COPD’s symptoms), as well as heart disease and various forms of cancer, tending mainly towards lung cancer. Due to the extremely small particle size of PM2.5, it can find its way into the bloodstream and travel to many parts of the body where it will accumulate over the years, causing a wide variety of carcinogenic effects.

With such things considered, awareness of the air quality at certain times of the year would certainly be of great benefit, with apps such as AirVisual providing constant AQI readings to stay informed on the level of pollution. Avoiding outdoor activities on particularly bad days or the wearing of masks would be an action of significant importance.

What is being done about the levels of pollution in Chiang Rai?

Despite the aforementioned threats of arrest or other legal consequences against those involved in the smoke and haze caused by forest fires, little seems to have improved. 2019 seems to have been a turning point in the involvement of authorities after a particularly bad spell of smoke and haze. It was so severe that it caused schools to be shut down in Bangkok, as the haze failed to disperse even after several weeks.

The ministry of natural resources and environment conducted meetings during 2019 to discuss what actions could be taken to address the issues, whilst a branch of the government responsible for ‘rain seeding’ (whereby rain clouds are created artificially in order to cleanse the air) deemed the situation to be of a serious enough nature that this technology be applied to it. Once again these are only temporary measures that do little to address the root cause of the problem, just providing a transient fix to an issue that simply put, needs full intervention to those causing the forest fires.

How polluted is Chiang Rai when compared with another city?

When compared to a neighboring city such as Chiang Mai, IQAir’s world air quality reports indicate that Chiang Mai had an overall better quality of air in 2019, with a yearly average of 32.3 μg/m3, putting it into the ‘moderate’ air quality grouping, as opposed to Chiang Rai’s 37 μg/m3 that places it in the ‘unhealthy for sensitive groups’ bracket. Chiang Mai had three months where the recorded levels of PM2.5 in the air met the WHO’s target, as opposed to Chiang Rai’s two months.

With this considered, it cannot be ignored that Chiang Mai also suffered from a terrible air quality rating during the month of March, with a PM2.5 reading of 98.7μg/m3, not far off from Chiang Rai’s 113.8μg/m3 during the same time period. However, despite similarities and some months that were subject to similar levels of pollution, Chiang Mai still comes in at a ranking of 16th place out of the 50 cities’ in Thailand, much further off than the 5th place ranking of Chiang Rai, making it a more optimal place to live if the quality of the air is of concern.