City report · Shanxi, China
Jiexiu Air quality today
Air quality in Jiexiu currently reads AQI 58 (Moderate): Unusually sensitive people should consider limiting long outdoor exertion.
Air quality right now
AQI 58
Moderate
- PM2.5, fine particles (µg/m³)
- 12.0
- tree cover
- 6.4%
- trees in this area
- 20.1K
- more trees needed
- 74.1K
Measured across a 2 km radius around Jiexiu, Jinzhong, Shanxi, China (12.57 km²), from a satellite image of Sep 23, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Jiexiu · AQI 58 (Moderate)
Jiexiu's tree count comes to 20,106 trees across 12.57 km², 24 points below the 30% tree-cover level considered healthy for this area, so roughly 74,142 more trees would close the gap.
Air quality detail
Air quality in Jiexiu today: AQI 58, Moderate
Main pollutant: PM2.5 · Observed Nov 11, 16:00 local time via Open-Meteo / CAMS, corrected with 14 ground-station cities within 245 km, US EPA index. Values in µg/m³.
Estimate · model corrected with 14 station cities within 245 km, e.g. Lüliang and Jinzhong
Health signal
Unusually sensitive people should consider limiting long outdoor exertion.
PM2.5
12.0
PM10
11.4
NO₂
31.7
O₃
60.0
SO₂
20.8
CO
468.0
- Outdoor exercise
- Fine for most people; unusually sensitive people should take long or hard exercise easier
- Windows
- Fine to open; close them if you are sensitive to pollution
- Mask
- Not needed for most people
- Air purifier
- Worth running if you are sensitive
Over the last 7 days, the CAMS air-quality model put Jiexiu's daily AQI at 79 on average, from 65 on Nov 9 to an hourly peak of 142 on Nov 6.
Where Jiexiu stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Jiexiu: Critically low
6.4% tree cover against a 30% healthy-neighborhood target, across 12.57 km².
Trees in this area
20,106
Target trees
94,248
More trees needed
74,142
CO₂ if planted / yr
1,631 t
Deforestation · 2001–2025
How much forest has Jiexiu lost?
There was very little forest around Jiexiu in 2000, about 65 hectares, and about 17 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 June 2017 of a 5 × 5 km area in the city center.
The worst year was 2012, when about 5 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 | 2 ha | under 1 ha | 2 ha |
| 2002 | under 1 ha | under 1 ha | under 1 ha |
| 2003 | under 1 ha | under 1 ha | under 1 ha |
| 2004 | under 1 ha | under 1 ha | under 1 ha |
| 2005 | 2 ha | under 1 ha | 2 ha |
| 2006 | under 1 ha | under 1 ha | under 1 ha |
| 2007 | under 1 ha | under 1 ha | under 1 ha |
| 2008 | 4 ha | under 1 ha | 4 ha |
| 2009 | 2 ha | under 1 ha | 2 ha |
| 2010 | under 1 ha | under 1 ha | under 1 ha |
| 2011 | under 1 ha | under 1 ha | under 1 ha |
| 2012 | 5 ha | under 1 ha | 5 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 Jiexiu?
- Mining and energycleared for good96% · 16 ha
- Towns and roadscleared for good1.2% · under 1 ha
- Unknown causescause unknown3.6% · under 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
- 617 ha
- Forest in 2020
- 1,370 ha
- Overall change
- +756 hamore forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Jiexiu grew from about 617 hectares to 1,370 hectares, a net gain of about 756 hectares (+123%). New forest grew on about 812 hectares, while 56 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 Jiexiu
What is the air quality (AQI) in Jiexiu right now?
The latest reading for Jiexiu shows an AQI of 58 (Moderate), observed Nov 11, 16:00 local time via Open-Meteo / CAMS, corrected with 14 ground-station cities within 245 km, US EPA index. The main pollutant is PM2.5. Unusually sensitive people should consider limiting long outdoor exertion.
Is it safe to exercise outside in Jiexiu today?
At AQI 58 (Moderate): fine for most people; unusually sensitive people should take long or hard exercise easier. Windows: fine to open; close them if you are sensitive to pollution. Masks: not needed for most people. The reading changes through the day, so check again before a long run or ride.
What has the air quality in Jiexiu been like this week?
Over the last 7 days, the CAMS air-quality model put Jiexiu's daily AQI at 79 on average, from 65 on Nov 9 to an hourly peak of 142 on Nov 6. On 1 of those days the average was above 100, unhealthy for sensitive groups.
How much forest has the area around Jiexiu lost since 2001?
There was very little forest around Jiexiu in 2000, about 65 hectares, and about 17 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 Jiexiu grew from about 617 hectares to 1,370 hectares, a net gain of about 756 hectares (+123%). New forest grew on about 812 hectares, while 56 hectares were lost.
What is the tree count in Jiexiu?
Jiexiu has an estimated 20,106 trees across the 12.57 km² measured — 6.4% tree cover, 24 percentage points short of the 30% tree-cover target set for this area.
How many more trees does Jiexiu need?
Jiexiu needs roughly 74,142 more trees to close a 24-point shortfall against its 30% tree-cover target — about 1,631 t of extra CO₂ absorbed per year once grown.
How are Jiexiu's air quality and tree cover measured?
Air quality comes from ground monitoring stations via OpenAQ where one reports nearby, and otherwise, as here, from the Open-Meteo / CAMS model, which may differ from street-level monitors. 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 Jiexiu; the tree count is an estimate derived from that cover.
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