Air quality in Linfen

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

Last update at (local time)

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Weather

What is the current weather in Linfen?

Weather icon
WeatherBroken clouds
Temperature48.2°F
Humidity78%
Wind1.7 mp/h
Pressure30.3 Hg

live aqi city ranking

Real-time China city ranking

#cityUS AQI
1 Hotan, Xinjiang

287

2 Kashgar, Xinjiang

228

3 Kizilsu, Xinjiang

174

4 Aksu, Xinjiang

153

5 Hongjiang, Hunan

139

6 Wuwei, Gansu

139

7 Anjiang, Hunan

127

8 Haizhou, Jiangsu

127

9 Babu, Guangxi

119

10 Shaoguan, Guangdong

114

(local time)

SEE WORLD AQI RANKING

live Linfen aqi ranking

Real-time Linfen air quality ranking

#stationUS AQI
1 Lingang Hospital

70

2 Technical School

59

3 City South

55

4 Tang Yao hotel

55

5 Municipal party committee

37

(local time)

SEE WORLD AQI RANKING

US AQI

55

live AQI index
Moderate

Human face indicating AQI level

Overview

What is the current air quality in Linfen?

Air pollution levelAir quality indexMain pollutant
Moderate 55 US AQIPM2.5
PollutantsConcentration
PM2.5
14µg/m³
PM10
8µg/m³
O3
45µg/m³
NO2
18µg/m³
SO2
3µg/m³
CO
600µg/m³
!

PM2.5

x2.8

PM2.5 concentration in Linfen is currently 2.8 times the WHO annual air quality guideline value

Health Recommendations

How to protect from air pollution in Linfen?

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

Forecast

Linfen air quality index (AQI) forecast

DayPollution levelWeatherTemperatureWind
Sunday, Oct 2

Moderate 98 US AQI

Human face indicating AQI level
Weather icon80.6°66.2°
Wind rotating 18 degree

4.5 mp/h

Monday, Oct 3

Moderate 63 US AQI

Human face indicating AQI level
Weather icon71.6°62.6°
Wind rotating 256 degree

6.7 mp/h

Tuesday, Oct 4

Moderate 65 US AQI

Human face indicating AQI level
Weather icon62.6°51.8°
Wind rotating 44 degree

11.2 mp/h

Today

Moderate 55 US AQI

Human face indicating AQI level
Weather icon53.6°48.2°
Wind rotating 71 degree

6.7 mp/h

Thursday, Oct 6

Unhealthy for Sensitive Groups 105 US AQI

Human face indicating AQI level
Weather icon57.2°48.2°
Wind rotating 195 degree

8.9 mp/h

Friday, Oct 7

Unhealthy for Sensitive Groups 114 US AQI

Human face indicating AQI level
Weather icon64.4°50°
Wind rotating 202 degree

6.7 mp/h

Saturday, Oct 8

Unhealthy 153 US AQI

Human face indicating AQI level
Weather icon66.2°55.4°
Wind rotating 188 degree

8.9 mp/h

Sunday, Oct 9

Good 38 US AQI

Human face indicating AQI level
Weather icon59°50°
Wind rotating 327 degree

20.1 mp/h

Monday, Oct 10

Good 31 US AQI

Human face indicating AQI level
Weather icon62.6°46.4°
Wind rotating 310 degree

4.5 mp/h

Tuesday, Oct 11

Good 45 US AQI

Human face indicating AQI level
Weather icon66.2°50°
Wind rotating 192 degree

2.2 mp/h

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Historical

Historic air quality graph for Linfen

How to best protect from air pollution?

Reduce your air pollution exposure in Linfen

AIR QUALITY ANALYSIS AND STATISTICS FOR Linfen

What is the level of air pollution in Linfen?

Linfen is a prefecture-level city in the southwest of Shanxi province, China. It runs along the banks of the Fen River and has an area of over 20,000 square kilometres. A census conducted in 2010 estimated the population to be around 4.3 million people and placed almost 1 million in the metropolitan area of Yaodu.

Prior to 1978, Linfen was a very different town. It was famous for its spring water, green surroundings and its strong agricultural background. Since then the coal industry has risen exponentially and ruined this original image. No longer can it be classed as a green village.

At the start of the second quarter of 2021, Linfen was experiencing a period of “Moderate” air quality with a US AQI reading of 88. This United States Air Quality Index is an internationally recognised system for defining the level of air pollution. The classification system follows guidelines set down by the World Health Organisation (WHO).

There are usually six main pollutants that are measured and used as benchmark figures when comparing like for like. The concentrations of the six pollutants which are measured were as follows: PM2.5 - 30 µg/m³, PM10 - 22 µg/m³, ozone (O3) - 139 µg/m³, nitrogen dioxide (NO2) - 10 µg/m³, sulphur dioxide (SO2) - 4 µg/m³ and carbon monoxide (CO) - 700 µg/m³. The advice for people to follow when pollution levels are this high is to stay indoors as much as possible and to close doors and windows to keep the dirty air outside. Those people who are sensitive to pollution should avoid going outside until the air improves.

The table at the top of this page will help you to decide when it is safe to venture outside again.

Does the level of air pollution in Linfen change throughout the year?

Air pollution is extremely volatile and can change very quickly as it is dependent on many factors. It is very often affected by the weather patterns as they change with the seasons. This can easily be seen by looking at the recently released figures for 2020 on the IQAir website.

Throughout the warmer months of the year from early April until the end of September Linfen was going through a period of “Moderate” quality air with figures between 12.1 and 35.4 µg/m³. For the months of March, October and November, the air quality moved into the next classification level, that of “Unhealthy for sensitive groups” with figures between 35.5 and 55.4 µg/m³. During the colder months of February and December the levels advanced once more into the “Unhealthy” bracket with figures of 68.1 and 63.3 µg/m³ respectively. In January, the level got even worse and plunged into the “Very Unhealthy” category with a reading of 158.4 µg/m³.

Records of air quality were first recorded in 2017 when the air quality figure was 80.6 µg/m³ followed by 68.2 µg/m³ in 2018. Another improvement was noted in 2019 when the recorded figure was 61.7 µg/m³. A much lower figure was recorded in 2020 of 52.5 µg/m³. This figure might be artificially low because of the restrictions in place due to COVID-19 which limited the use of vehicles and closed down some factories on a temporary basis.

Where does the air pollution in Linfen come from?

When China decided its future lay in industrialisation, it openly encouraged the central provinces to become involved. It was at this time that the price of coal increased dramatically due to increased demand. This led to the rapid expansion of privately-owned mines which, as such, were unregulated. Linfen sits on vast coal reserves which were exploited for profit. In 2004, an American organisation, included Linfen in an annual listing of the world’s most badly polluted cities. It was also mentioned on the “Popular Science” website as being particularly polluted. It was around this time that after measurements were taken it was seen that throughout the entire year there were only 15 days when the level of air pollution was acceptable.

What was done to clean the air in Linfen and put an end to air pollution?

After all these negative reports, the local authorities decided on a plan of action. Substandard mines were closed and coal trucks were no longer permitted to enter the city limits which resulted in much less coal dust in the atmosphere. The fuel source for the municipal heating was changed from coal to gas. Because of this, almost 200 large coal-fired boilers were no longer needed and many other smaller ones were also decommissioned.

As of 2007, 85 per cent of the population used natural gas rather than coal for their heating. The State Environmental Protection Agency (SEPA) has forced many of the less-efficient smaller factories to close and enforced stricter standards for larger factories including the installation of sulphur scrubbers to clean their emissions.

Since then, many measures were put in place such as the introduction of emission limits. In 2014, the China Youth Daily reported a noticeable change. They said that Linfen had come from being the “most polluted” city to the “model city of environment protection”.

However, by 2018 it was noted that the city was constantly failing to meet its emissions targets and Linfen was once again on the list for the most polluted cities out of the 168 that were monitored. Further measures are currently underway.

What are the health impacts of Linfen’s polluted environment?

The high levels of pollution are taking their toll on the health of Linfen's inhabitants. Local clinics are seeing a growing number of bronchitis, pneumonia, and lung cancer patients. The children of Shanxi Province also have high rates of lead poisoning. A growing number of local deaths in recent years have been linked to these overwhelming pollution levels.

Arsenicosis is a disease caused by drinking elevated concentrations of arsenic found in water and it is at epidemic levels in the area. Chronic exposure to this toxic chemical results in skin lesions, peripheral vascular disease, hypertension, blackfoot disease, and high cancer incidence rates. A study of Shanxi's well water published in Toxicology and Applied Pharmacology found the rate of unsafe well water in the province to be at an alarming 52 per cent.

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