City report · Sichuan, China
Gulin Air quality today
Air quality in Gulin currently reads AQI 72 (Moderate): Unusually sensitive people should consider limiting long outdoor exertion.
Air quality right now
AQI 72
Moderate
- PM2.5, fine particles (µg/m³)
- 21.7
- tree cover
- 52.3%
- trees in this area
- 164K
- more trees needed
- 0
Measured across a 2 km radius around Gulin County, Luzhou, Sichuan, China (12.57 km²), from a satellite image of Sep 9, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Gulin · AQI 72 (Moderate)
Gulin's tree count comes to 164,305 trees across 12.57 km², already at or above the 30% tree-cover level considered healthy for this area.
Air quality detail
Air quality in Gulin today: AQI 72, Moderate
Main pollutant: PM2.5 · Observed Nov 11, 18:00 local time via Open-Meteo / CAMS, corrected with 4 ground-station cities within 145 km, US EPA index. Values in µg/m³.
Estimate · model corrected with 4 station cities within 145 km, e.g. Luzhou and Zunyi
Health signal
Unusually sensitive people should consider limiting long outdoor exertion.
PM2.5
21.7
PM10
17.8
NO₂
10.1
O₃
73.0
SO₂
24.1
CO
556.0
- 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 Gulin's daily AQI at 56 on average, from 35 on Nov 10 to an hourly peak of 98 on Nov 11.
Where Gulin stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Gulin: Healthy tree cover
52.3% tree cover against a 30% healthy-neighborhood target, across 12.57 km².
Trees in this area
164,305
Target trees
164,305
More trees needed
0
CO₂ if planted / yr
0 kg
Deforestation · 2001–2025
How much forest has Gulin lost?
Since 2001, the area within 10 km of Gulin has lost about 209 hectares of forest (about 290 football pitches): 1.2% of the forest it had in 2000. Most of it (50%) was deforestation, forest cleared for good, mainly for farms, pasture and plantations.
2017: satellite photo from July 2017 of a 5 × 5 km area about 6 km south of the city center.
- Forest lost since 2001
- 209 haabout 290 football pitches
- Share of its forest
- 1.2%of what there was in 2000
- Cleared for good
- 104 hadeforestation: turned into farms, mines or towns
The worst year was 2002, when about 33 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 | 9 ha | 12 ha | 21 ha |
| 2002 | 7 ha | 27 ha | 33 ha |
| 2003 | under 1 ha | under 1 ha | 1 ha |
| 2004 | under 1 ha | 2 ha | 2 ha |
| 2005 | 2 ha | under 1 ha | 3 ha |
| 2006 | 3 ha | 3 ha | 6 ha |
| 2007 | under 1 ha | under 1 ha | under 1 ha |
| 2008 | 11 ha | 21 ha | 32 ha |
| 2009 | under 1 ha | 7 ha | 8 ha |
| 2010 | 2 ha | 2 ha | 4 ha |
| 2011 | 4 ha | under 1 ha | 4 ha |
| 2012 | 2 ha | under 1 ha | 2 ha |
| 2013 | under 1 ha | 1 ha | 1 ha |
| 2014 | 4 ha | 2 ha | 6 ha |
| 2015 | 1 ha | under 1 ha | 1 ha |
| 2016 | 4 ha | 4 ha | 8 ha |
| 2017 | 3 ha | 1 ha | 5 ha |
| 2018 | 13 ha | 3 ha | 16 ha |
| 2019 | 11 ha | 5 ha | 16 ha |
| 2020 | 5 ha | 3 ha | 8 ha |
| 2021 | 6 ha | 4 ha | 9 ha |
| 2022 | 6 ha | 2 ha | 8 ha |
| 2023 | 7 ha | under 1 ha | 7 ha |
| 2024 | 3 ha | 2 ha | 4 ha |
| 2025 | 2 ha | 2 ha | 4 ha |
What is causing deforestation around Gulin?
- Loggingcan grow back39% · 81 ha
- Farms, pasture and plantationscleared for good23% · 47 ha
- Towns and roadscleared for good18% · 38 ha
Also: mining and energy, 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
- 27,600 ha
- Forest in 2020
- 27,500 ha
- Overall change
- −68 haless forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Gulin stayed about the same size, at about 27,500 hectares: new forest grew on about 102 hectares, and about 171 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 Gulin
What is the air quality (AQI) in Gulin right now?
The latest reading for Gulin shows an AQI of 72 (Moderate), observed Nov 11, 18:00 local time via Open-Meteo / CAMS, corrected with 4 ground-station cities within 145 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 Gulin today?
At AQI 72 (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 Gulin been like this week?
Over the last 7 days, the CAMS air-quality model put Gulin's daily AQI at 56 on average, from 35 on Nov 10 to an hourly peak of 98 on Nov 11. No day averaged above 100, the level where the air turns unhealthy for sensitive groups.
How much forest has the area around Gulin lost since 2001?
Since 2001, the area within 10 km of Gulin has lost about 209 hectares of forest (about 290 football pitches): 1.2% of the forest it had in 2000. Most of it (50%) was deforestation, forest cleared for good, mainly for farms, pasture and plantations. Comparing satellite maps from 2000 and 2020, the forest around Gulin stayed about the same size, at about 27,500 hectares: new forest grew on about 102 hectares, and about 171 hectares were lost.
What is the tree count in Gulin?
Gulin has an estimated 164,305 trees across the 12.57 km² measured — 52.3% tree cover, already past the 30% tree-cover target set for this area.
How many more trees does Gulin need?
Gulin has already reached its tree-cover target, so no additional trees are needed to close the gap.
How are Gulin'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 Gulin County; the tree count is an estimate derived from that cover.
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