City report · Shanxi, China
Linfen Air quality today
Air quality in Linfen currently reads AQI 128 (Unhealthy for sensitive groups): Sensitive groups should limit long or intense outdoor activity.
AQI 128
Air quality right now
Unhealthy for sensitive groups
- PM2.5, fine particles (µg/m³)
- 46.5
- tree cover
- 9.3%
- trees in this area
- 29.1K
- more trees needed
- 80.3K
Measured across a 2 km radius around Yaodu District, Linfen, Shanxi, China (12.57 km²), from a satellite image of Sep 6, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Linfen · AQI 128 (Unhealthy for sensitive groups)
Linfen's tree count comes to 29,071 trees across 12.51 km² of land, 26 points below the 35% tree-cover level considered healthy for this area, so roughly 80,335 more trees would close the gap.
Air quality detail
Air quality in Linfen today: AQI 128, Unhealthy for sensitive groups
Main pollutant: PM2.5 · Observed Nov 12, 01:00 local time via World Air Quality Index Project ground stations, US EPA index. Values in µg/m³.
Ground station · Municipal party committee, Linfen (临汾市委), 1.5 km away · median of 2 stations
Health signal
Sensitive groups should limit long or intense outdoor activity.
PM2.5
46.5
PM10
60.6
NO₂
—
O₃
—
SO₂
—
CO
—
Data: World Air Quality Index Project, Shanxi Province Environmental Monitoring Center (山西省环境监测中心站网站首页)
- Outdoor exercise
- Children, older adults and people with asthma or heart disease should cut down long or hard exercise
- Windows
- Close them to keep the outside air out
- Mask
- Sensitive groups: an N95 outdoors
- Air purifier
- Run one, especially in bedrooms
Over the last 7 days, the CAMS air-quality model put Linfen's daily AQI at 102 on average, from 69 on Nov 9 to an hourly peak of 165 on Nov 5.
Where Linfen stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Linfen: Critically low
9.3% tree cover against a 35% healthy-neighborhood target, across 12.51 km² of land.
Trees in this area
29,071
Target trees
109,406
More trees needed
80,335
CO₂ if planted / yr
1,767 t
Deforestation · 2001–2025
How much forest has Linfen lost?
There was very little forest around Linfen in 2000, about 78 hectares, and about 7 hectares of it has been lost since. Only fairly dense woodland counts as forest in these maps, so scattered street and garden trees don't show up here.
2017: satellite photo from July 2017 of a 5 × 5 km area in the city center.
The worst year was 2004, when about 2 hectares of forest were lost.
Hectares of forest lost each year
Show the figures as a table
| Year | Cleared for good | Can grow back | Total |
|---|---|---|---|
| 2001 | under 1 ha | under 1 ha | 1 ha |
| 2002 | under 1 ha | under 1 ha | 1 ha |
| 2003 | under 1 ha | under 1 ha | under 1 ha |
| 2004 | 1 ha | under 1 ha | 2 ha |
| 2005 | under 1 ha | under 1 ha | under 1 ha |
| 2006 | under 1 ha | under 1 ha | under 1 ha |
| 2007 | under 1 ha | under 1 ha | under 1 ha |
| 2008 | under 1 ha | under 1 ha | under 1 ha |
| 2009 | under 1 ha | under 1 ha | under 1 ha |
| 2010 | under 1 ha | under 1 ha | under 1 ha |
| 2011 | under 1 ha | under 1 ha | under 1 ha |
| 2012 | under 1 ha | under 1 ha | under 1 ha |
| 2013 | under 1 ha | under 1 ha | under 1 ha |
| 2014 | under 1 ha | under 1 ha | under 1 ha |
| 2015 | under 1 ha | under 1 ha | under 1 ha |
| 2016 | under 1 ha | under 1 ha | under 1 ha |
| 2017 | under 1 ha | under 1 ha | under 1 ha |
| 2018 | under 1 ha | under 1 ha | under 1 ha |
| 2019 | under 1 ha | under 1 ha | under 1 ha |
| 2020 | under 1 ha | under 1 ha | under 1 ha |
| 2021 | under 1 ha | under 1 ha | under 1 ha |
| 2022 | under 1 ha | under 1 ha | under 1 ha |
| 2023 | under 1 ha | under 1 ha | under 1 ha |
| 2024 | under 1 ha | under 1 ha | under 1 ha |
| 2025 | under 1 ha | under 1 ha | under 1 ha |
What is causing deforestation around Linfen?
- Towns and roadscleared for good75% · 5 ha
- Farms, pasture and plantationscleared for good3.1% · under 1 ha
- Unknown causescause unknown22% · 1 ha
Causes for 2025 are estimates, based on what caused forest loss in the same places up to 2024.
Forest gained and lost, 2000–2020
- Forest in 2000
- 426 ha
- Forest in 2020
- 939 ha
- Overall change
- +513 hamore forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Linfen grew from about 426 hectares to 939 hectares, a net gain of about 513 hectares (+120%). New forest grew on about 518 hectares, while 5 hectares were lost.
These 2000 and 2020 maps, from the University of Maryland, count any land with trees taller than 5 m as forest, including plantations and orchards. Forest that was cut or burned and had grown back by 2020 counts in both years, so the loss here is smaller than the yearly figures.
These figures cover everything within 10 km of the city center, a wider area than the report above, because forest is usually lost at a city's edges.
Source: Hansen/UMD/Google/USGS/NASA, Global Forest Change (GFC-2025-v1.13); causes: WRI/Google DeepMind drivers of forest loss; both CC BY 4.0, summed by Airleaf for each area. Forest gained and lost 2000–2020: Potapov et al. 2022, UMD GLAD Global Land Cover and Land Use Change, CC BY 4.0. Images: contains modified Copernicus Sentinel data. How it's measured
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Frequently asked
Questions about Linfen
What is the air quality (AQI) in Linfen right now?
The latest reading for Linfen shows an AQI of 128 (Unhealthy for sensitive groups), measured Nov 12, 01:00 local time by 2 ground monitoring stations via OpenAQ (the median of their readings; the nearest is Municipal party committee, Linfen (临汾市委), 1.5 km away). The main pollutant is PM2.5. Sensitive groups should limit long or intense outdoor activity.
Is it safe to exercise outside in Linfen today?
At AQI 128 (Unhealthy for sensitive groups): children, older adults and people with asthma or heart disease should cut down long or hard exercise. Windows: close them to keep the outside air out. Masks: sensitive groups: an N95 outdoors. The reading changes through the day, so check again before a long run or ride.
What has the air quality in Linfen been like this week?
Over the last 7 days, the CAMS air-quality model put Linfen's daily AQI at 102 on average, from 69 on Nov 9 to an hourly peak of 165 on Nov 5. On 5 of those days the average was above 100, unhealthy for sensitive groups.
How much forest has the area around Linfen lost since 2001?
There was very little forest around Linfen in 2000, about 78 hectares, and about 7 hectares of it has been lost since. Only fairly dense woodland counts as forest in these maps, so scattered street and garden trees don't show up here. Comparing satellite maps from 2000 and 2020, the forest around Linfen grew from about 426 hectares to 939 hectares, a net gain of about 513 hectares (+120%). New forest grew on about 518 hectares, while 5 hectares were lost.
What is the tree count in Linfen?
Linfen has an estimated 29,071 trees across the 12.51 km² of land measured — 9.3% tree cover, 26 percentage points short of the 35% tree-cover target set for this area.
How many more trees does Linfen need?
Linfen needs roughly 80,335 more trees to close a 26-point shortfall against its 35% tree-cover target — about 1,767 t of extra CO₂ absorbed per year once grown.
How are Linfen's air quality and tree cover measured?
Air quality is measured by ground monitoring stations near Yaodu District, via OpenAQ; the 7-day trend is the Open-Meteo / CAMS model's estimate. Tree cover is measured from Sentinel-2 L2A (ESA Copernicus) via Earth Search satellite imagery at 10 m detail across a 2 km radius around Yaodu District; the tree count is an estimate derived from that cover.
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