City report · Jiangxi, China
Bashan Air quality today
Air quality in Bashan currently reads AQI 55 (Moderate): Unusually sensitive people should consider limiting long outdoor exertion.
AQI 55
Air quality right now
Moderate
- PM2.5, fine particles (µg/m³)
- 10.0
- tree cover
- 17.5%
- trees in this area
- 53.8K
- more trees needed
- 38.4K
Measured across a 2 km radius around Chongren County, Fuzhou, Jiangxi, China (12.57 km²), from a satellite image of Sep 24, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Bashan · AQI 55 (Moderate)
Bashan's tree count comes to 53,823 trees across 12.31 km² of land, 13 points below the 30% tree-cover level considered healthy for this area, so roughly 38,445 more trees would close the gap.
Air quality detail
Air quality in Bashan today: AQI 55, Moderate
Main pollutant: PM2.5 · Observed Nov 11, 12:00 local time via Open-Meteo / CAMS, corrected with 4 ground-station cities within 125 km, US EPA index. Values in µg/m³.
Estimate · model corrected with 4 station cities within 125 km, e.g. Fuzhou and Nanchang
Health signal
Unusually sensitive people should consider limiting long outdoor exertion.
PM2.5
10.0
PM10
16.3
NO₂
2.6
O₃
95.0
SO₂
5.1
CO
311.0
- 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 Bashan's daily AQI at 55 on average, from 33 on Nov 8 to an hourly peak of 109 on Nov 9.
Where Bashan stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Bashan: Critically low
17.5% tree cover against a 30% healthy-neighborhood target, across 12.31 km² of land.
Trees in this area
53,823
Target trees
92,268
More trees needed
38,445
CO₂ if planted / yr
845.8 t
Deforestation · 2001–2025
How much forest has Bashan lost?
Since 2001, the area within 10 km of Bashan has lost about 1,650 hectares of forest (about 2,300 football pitches): 25% of the forest it had in 2000. Most of it was lost to logging, so much of it can grow back. About 374 hectares (23%) was deforestation: forest cleared for good for farms, mines or towns.
2017: satellite photo from December 2017 of a 5 × 5 km area about 7 km west of the city center.
- Forest lost since 2001
- 1,650 haabout 2,300 football pitches
- Share of its forest
- 25%of what there was in 2000
- Cleared for good
- 374 hadeforestation: turned into farms, mines or towns
Forest loss has stayed about the same: about 92 hectares a year in 2021–2025, against 80 hectares a year in 2016–2020. The worst year was 2016, when about 200 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 | 2 ha | 2 ha |
| 2002 | under 1 ha | 4 ha | 4 ha |
| 2003 | under 1 ha | 1 ha | 1 ha |
| 2004 | 7 ha | 23 ha | 30 ha |
| 2005 | 3 ha | 37 ha | 40 ha |
| 2006 | 3 ha | 71 ha | 75 ha |
| 2007 | 9 ha | 38 ha | 47 ha |
| 2008 | 12 ha | 47 ha | 59 ha |
| 2009 | 9 ha | 78 ha | 87 ha |
| 2010 | 13 ha | 72 ha | 85 ha |
| 2011 | 13 ha | 85 ha | 98 ha |
| 2012 | 20 ha | 36 ha | 56 ha |
| 2013 | 15 ha | 55 ha | 70 ha |
| 2014 | 22 ha | 48 ha | 70 ha |
| 2015 | 28 ha | 38 ha | 66 ha |
| 2016 | 67 ha | 133 ha | 200 ha |
| 2017 | 24 ha | 29 ha | 53 ha |
| 2018 | 17 ha | 27 ha | 44 ha |
| 2019 | 19 ha | 34 ha | 53 ha |
| 2020 | 18 ha | 33 ha | 51 ha |
| 2021 | 7 ha | 40 ha | 47 ha |
| 2022 | 6 ha | 40 ha | 45 ha |
| 2023 | 20 ha | 96 ha | 116 ha |
| 2024 | 5 ha | 87 ha | 91 ha |
| 2025 | 37 ha | 121 ha | 158 ha |
What is causing deforestation around Bashan?
- Loggingcan grow back75% · 1,230 ha
- Towns and roadscleared for good12% · 204 ha
- Farms, pasture and plantationscleared for good10% · 170 ha
Also: storms, floods and other natural causes, unknown causes.
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
- 13,600 ha
- Forest in 2020
- 13,300 ha
- Overall change
- −381 haless forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Bashan shrank from about 13,600 hectares to 13,300 hectares, a net loss of about 381 hectares (−2.8%). New forest grew on about 548 hectares, but 929 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 Bashan
What is the air quality (AQI) in Bashan right now?
The latest reading for Bashan shows an AQI of 55 (Moderate), observed Nov 11, 12:00 local time via Open-Meteo / CAMS, corrected with 4 ground-station cities within 125 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 Bashan today?
At AQI 55 (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 Bashan been like this week?
Over the last 7 days, the CAMS air-quality model put Bashan's daily AQI at 55 on average, from 33 on Nov 8 to an hourly peak of 109 on Nov 9. No day averaged above 100, the level where the air turns unhealthy for sensitive groups.
How much forest has the area around Bashan lost since 2001?
Since 2001, the area within 10 km of Bashan has lost about 1,650 hectares of forest (about 2,300 football pitches): 25% of the forest it had in 2000. Most of it was lost to logging, so much of it can grow back. About 374 hectares (23%) was deforestation: forest cleared for good for farms, mines or towns. Forest loss has stayed about the same: about 92 hectares a year in 2021–2025, against 80 hectares a year in 2016–2020. Comparing satellite maps from 2000 and 2020, the forest around Bashan shrank from about 13,600 hectares to 13,300 hectares, a net loss of about 381 hectares (−2.8%). New forest grew on about 548 hectares, but 929 hectares were lost.
What is the tree count in Bashan?
Bashan has an estimated 53,823 trees across the 12.31 km² of land measured — 17.5% tree cover, 13 percentage points short of the 30% tree-cover target set for this area.
How many more trees does Bashan need?
Bashan needs roughly 38,445 more trees to close a 13-point shortfall against its 30% tree-cover target — about 845.8 t of extra CO₂ absorbed per year once grown.
How are Bashan'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 Chongren County; the tree count is an estimate derived from that cover.
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