City report · Sichuan, China
Yibin Air quality today
Air quality in Yibin currently reads AQI 154 (Unhealthy): Everyone should limit long outdoor exertion; sensitive groups more so.
Air quality right now
AQI 154
Unhealthy
- PM2.5, fine particles (µg/m³)
- 59.4
- tree cover
- 43.1%
- trees in this area
- 116K
- more trees needed
- 0
Measured across a 2 km radius around Xuzhou District, Yibin, Sichuan, China (12.57 km²), from a satellite image of Sep 2, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Yibin · AQI 154 (Unhealthy)
Yibin's tree count comes to 116,446 trees across 10.81 km² of land, already at or above the 40% tree-cover level considered healthy for this area.
Air quality detail
Air quality in Yibin today: AQI 154, Unhealthy
Main pollutant: PM2.5 · Observed Nov 11, 23:00 local time via World Air Quality Index Project ground stations, US EPA index. Values in µg/m³.
Ground station · Yibin (宜宾), 900 m away · median of 3 stations
Health signal
Everyone should limit long outdoor exertion; sensitive groups more so.
PM2.5
59.4
PM10
83.3
NO₂
—
O₃
—
SO₂
—
CO
—
Data: World Air Quality Index Project, Sichuan Province Environmental Protection Agency (四川省环保重点城市环境空气质量实时监测结果)
- Outdoor exercise
- Everyone should cut down long or hard exercise; sensitive groups should avoid it
- Windows
- Keep them closed
- Mask
- Wear an N95 outdoors
- Air purifier
- Run one
Over the last 7 days, the CAMS air-quality model put Yibin's daily AQI at 103 on average, from 62 on Nov 10 to an hourly peak of 173 on Nov 6.
Where Yibin stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Yibin: Healthy tree cover
43.1% tree cover against a 40% healthy-neighborhood target, across 10.81 km² of land.
Trees in this area
116,446
Target trees
116,446
More trees needed
0
CO₂ if planted / yr
0 kg
Deforestation · 2001–2025
How much forest has Yibin lost?
Since 2001, the area within 10 km of Yibin has lost about 165 hectares of forest (about 230 football pitches): 3.8% of the forest it had in 2000. Most of it (67%) was deforestation, forest cleared for good, mainly for towns and roads.
2017: satellite photo from August 2017 of a 5 × 5 km area about 7 km southeast of the city center.
- Forest lost since 2001
- 165 haabout 230 football pitches
- Share of its forest
- 3.8%of what there was in 2000
- Cleared for good
- 111 hadeforestation: turned into farms, mines or towns
The worst year was 2020, when about 23 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 | under 1 ha | 2 ha | 3 ha |
| 2003 | under 1 ha | under 1 ha | under 1 ha |
| 2004 | 2 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 | 1 ha | under 1 ha | 2 ha |
| 2008 | 5 ha | 2 ha | 6 ha |
| 2009 | under 1 ha | under 1 ha | 1 ha |
| 2010 | 1 ha | under 1 ha | 2 ha |
| 2011 | under 1 ha | under 1 ha | 1 ha |
| 2012 | 3 ha | 1 ha | 5 ha |
| 2013 | under 1 ha | under 1 ha | 1 ha |
| 2014 | under 1 ha | under 1 ha | under 1 ha |
| 2015 | under 1 ha | under 1 ha | 1 ha |
| 2016 | 4 ha | under 1 ha | 4 ha |
| 2017 | 7 ha | under 1 ha | 7 ha |
| 2018 | 13 ha | under 1 ha | 13 ha |
| 2019 | 7 ha | 4 ha | 12 ha |
| 2020 | 9 ha | 14 ha | 23 ha |
| 2021 | 9 ha | 6 ha | 15 ha |
| 2022 | 17 ha | 3 ha | 19 ha |
| 2023 | 11 ha | 4 ha | 15 ha |
| 2024 | 12 ha | 2 ha | 14 ha |
| 2025 | 6 ha | 11 ha | 17 ha |
What is causing deforestation around Yibin?
- Towns and roadscleared for good56% · 93 ha
- Loggingcan grow back29% · 47 ha
- Farms, pasture and plantationscleared for good11% · 19 ha
Also: mining and energy, 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
- 17,200 ha
- Forest in 2020
- 17,400 ha
- Overall change
- +135 hamore forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Yibin stayed about the same size, at about 17,400 hectares: new forest grew on about 380 hectares, and about 244 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 Yibin
What is the air quality (AQI) in Yibin right now?
The latest reading for Yibin shows an AQI of 154 (Unhealthy), measured Nov 11, 23:00 local time by 3 ground monitoring stations via OpenAQ (the median of their readings; the nearest is Yibin (宜宾), 900 m away). The main pollutant is PM2.5. Everyone should limit long outdoor exertion; sensitive groups more so.
Is it safe to exercise outside in Yibin today?
At AQI 154 (Unhealthy): everyone should cut down long or hard exercise; sensitive groups should avoid it. Windows: keep them closed. Masks: wear an N95 outdoors. The reading changes through the day, so check again before a long run or ride.
What has the air quality in Yibin been like this week?
Over the last 7 days, the CAMS air-quality model put Yibin's daily AQI at 103 on average, from 62 on Nov 10 to an hourly peak of 173 on Nov 6. On 4 of those days the average was above 100, unhealthy for sensitive groups.
How much forest has the area around Yibin lost since 2001?
Since 2001, the area within 10 km of Yibin has lost about 165 hectares of forest (about 230 football pitches): 3.8% of the forest it had in 2000. Most of it (67%) was deforestation, forest cleared for good, mainly for towns and roads. Comparing satellite maps from 2000 and 2020, the forest around Yibin stayed about the same size, at about 17,400 hectares: new forest grew on about 380 hectares, and about 244 hectares were lost.
What is the tree count in Yibin?
Yibin has an estimated 116,446 trees across the 10.81 km² of land measured — 43.1% tree cover, already past the 40% tree-cover target set for this area.
How many more trees does Yibin need?
Yibin has already reached its tree-cover target, so no additional trees are needed to close the gap.
How are Yibin's air quality and tree cover measured?
Air quality is measured by ground monitoring stations near Xuzhou 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 Xuzhou District; the tree count is an estimate derived from that cover.
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