City report · Chongqing, China
Guixi Air quality today
Air quality in Guixi currently reads AQI 85 (Moderate): Unusually sensitive people should consider limiting long outdoor exertion.
Air quality right now
AQI 85
Moderate
- PM2.5, fine particles (µg/m³)
- 24.9
- tree cover
- 27.5%
- trees in this area
- 86.4K
- more trees needed
- 7.9K
Measured across a 2 km radius around Dianjiang County, Chongqing, China (12.57 km²), from a satellite image of Aug 27, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Guixi · AQI 85 (Moderate)
Guixi's tree count comes to 86,394 trees across 12.57 km², 2 points below the 30% tree-cover level considered healthy for this area, so roughly 7,854 more trees would close the gap.
Air quality detail
Air quality in Guixi today: AQI 85, Moderate
Main pollutant: PM2.5 · Observed Nov 11, 12:00 local time via Open-Meteo / CAMS, corrected with 5 ground-station cities within 105 km, US EPA index. Values in µg/m³.
Estimate · model corrected with 5 station cities within 105 km, e.g. Fuling District, Chongqing, China and Guang'An
Health signal
Unusually sensitive people should consider limiting long outdoor exertion.
PM2.5
24.9
PM10
31.1
NO₂
4.0
O₃
85.0
SO₂
8.8
CO
302.0
- 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 Guixi's daily AQI at 98 on average, from 67 on Nov 8 to an hourly peak of 166 on Nov 5.
Where Guixi stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Guixi: Below target
27.5% tree cover against a 30% healthy-neighborhood target, across 12.57 km².
Trees in this area
86,394
Target trees
94,248
More trees needed
7,854
CO₂ if planted / yr
172.8 t
Deforestation · 2001–2025
How much forest has Guixi lost?
Since 2001, the area within 10 km of Guixi has lost about 733 hectares of forest (about 1,000 football pitches): 8% of the forest it had in 2000. Most of it was lost to logging, so much of it can grow back. About 193 hectares (26%) was deforestation: forest cleared for good for farms, mines or towns.
2017: satellite photo from July 2017 of a 5 × 5 km area about 7 km west of the city center.
- Forest lost since 2001
- 733 haabout 1,000 football pitches
- Share of its forest
- 8%of what there was in 2000
- Cleared for good
- 193 hadeforestation: turned into farms, mines or towns
Forest loss is speeding up: about 99 hectares a year in 2021–2025, up from 19 hectares a year in 2016–2020. The worst year was 2025, when about 215 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 | under 1 ha |
| 2002 | 2 ha | 4 ha | 6 ha |
| 2003 | under 1 ha | 2 ha | 2 ha |
| 2004 | under 1 ha | 2 ha | 3 ha |
| 2005 | 3 ha | 6 ha | 8 ha |
| 2006 | 1 ha | 2 ha | 3 ha |
| 2007 | 4 ha | 2 ha | 5 ha |
| 2008 | under 1 ha | 1 ha | 2 ha |
| 2009 | 4 ha | 4 ha | 8 ha |
| 2010 | 13 ha | 11 ha | 24 ha |
| 2011 | 1 ha | 12 ha | 13 ha |
| 2012 | under 1 ha | 10 ha | 11 ha |
| 2013 | 5 ha | 19 ha | 24 ha |
| 2014 | under 1 ha | 27 ha | 27 ha |
| 2015 | 2 ha | 5 ha | 7 ha |
| 2016 | 1 ha | under 1 ha | 2 ha |
| 2017 | 13 ha | 19 ha | 32 ha |
| 2018 | 6 ha | 31 ha | 37 ha |
| 2019 | 6 ha | 5 ha | 11 ha |
| 2020 | 9 ha | 3 ha | 12 ha |
| 2021 | 22 ha | 11 ha | 32 ha |
| 2022 | 4 ha | 7 ha | 11 ha |
| 2023 | 10 ha | 95 ha | 105 ha |
| 2024 | 17 ha | 117 ha | 134 ha |
| 2025 | 68 ha | 147 ha | 215 ha |
What is causing deforestation around Guixi?
- Loggingcan grow back68% · 502 ha
- Towns and roadscleared for good16% · 117 ha
- Mining and energycleared for good7.7% · 56 ha
Also: farms, pasture and plantations, 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
- 18,100 ha
- Forest in 2020
- 18,100 ha
- Overall change
- −72 haless forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Guixi stayed about the same size, at about 18,100 hectares: new forest grew on about 216 hectares, and about 288 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
In the same region
Measured cities near Guixi
Same 2 km radius, same index — so they compare directly.
- Liangping54.3 km
China
- Tree cover
- 28%
- Air quality
- 101
- Fengcheng, Chongqing62.8 km
China
- Tree cover
- 43%
- Air quality
- 124
- Sanhe, Chongqing63.6 km
China
- Tree cover
- 33%
- Air quality
- 99
- Fuling69.5 km
China
- Tree cover
- 40%
- Air quality
- 123
- Guang’an69.7 km
China
- Tree cover
- 37%
- Air quality
- 153
- Nanbin82.3 km
China
- Tree cover
- 58%
- Air quality
- 92
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Frequently asked
Questions about Guixi
What is the air quality (AQI) in Guixi right now?
The latest reading for Guixi shows an AQI of 85 (Moderate), observed Nov 11, 12:00 local time via Open-Meteo / CAMS, corrected with 5 ground-station cities within 105 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 Guixi today?
At AQI 85 (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 Guixi been like this week?
Over the last 7 days, the CAMS air-quality model put Guixi's daily AQI at 98 on average, from 67 on Nov 8 to an hourly peak of 166 on Nov 5. On 4 of those days the average was above 100, unhealthy for sensitive groups.
How much forest has the area around Guixi lost since 2001?
Since 2001, the area within 10 km of Guixi has lost about 733 hectares of forest (about 1,000 football pitches): 8% of the forest it had in 2000. Most of it was lost to logging, so much of it can grow back. About 193 hectares (26%) was deforestation: forest cleared for good for farms, mines or towns. Forest loss is speeding up: about 99 hectares a year in 2021–2025, up from 19 hectares a year in 2016–2020. Comparing satellite maps from 2000 and 2020, the forest around Guixi stayed about the same size, at about 18,100 hectares: new forest grew on about 216 hectares, and about 288 hectares were lost.
What is the tree count in Guixi?
Guixi has an estimated 86,394 trees across the 12.57 km² measured — 27.5% tree cover, 2 percentage points short of the 30% tree-cover target set for this area.
How many more trees does Guixi need?
Guixi needs roughly 7,854 more trees to close a 2-point shortfall against its 30% tree-cover target — about 172.8 t of extra CO₂ absorbed per year once grown.
How are Guixi'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 Dianjiang County; the tree count is an estimate derived from that cover.
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