City report · Guizhou, China
Bijie Air quality today
Air quality in Bijie currently reads AQI 124 (Unhealthy for sensitive groups): Sensitive groups should limit long or intense outdoor activity.
AQI 124
Air quality right now
Unhealthy for sensitive groups
- PM2.5, fine particles (µg/m³)
- 47.6
- tree cover
- 28.5%
- trees in this area
- 89.5K
- more trees needed
- 20.4K
Measured across a 2 km radius around Qixingguan District, Bijie, Guizhou, China (12.57 km²), from a satellite image of Sep 7, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Bijie · AQI 124 (Unhealthy for sensitive groups)
Bijie's tree count comes to 89,535 trees across 12.57 km², 7 points below the 35% tree-cover level considered healthy for this area, so roughly 20,420 more trees would close the gap.
Air quality detail
Air quality in Bijie today: AQI 124, Unhealthy for sensitive groups
Main pollutant: PM2.5 · Observed Nov 11, 03:00 local time via Open-Meteo / CAMS, corrected with 5 ground-station cities within 185 km, US EPA index. Values in µg/m³.
Estimate · model corrected with 5 station cities within 185 km, e.g. Guiyang and Zunyi
Health signal
Sensitive groups should limit long or intense outdoor activity.
PM2.5
47.6
PM10
47.1
NO₂
26.7
O₃
11.0
SO₂
76.9
CO
1412.0
- Outdoor exercise
- Children, older adults and people with asthma or heart disease should cut down long or hard exercise
- Windows
- Close them to keep the outside air out
- Mask
- Sensitive groups: an N95 outdoors
- Air purifier
- Run one, especially in bedrooms
Over the last 7 days, the CAMS air-quality model put Bijie's daily AQI at 50 on average, from 16 on Nov 9 to an hourly peak of 119 on Nov 11.
Where Bijie stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Bijie: Below target
28.5% tree cover against a 35% healthy-neighborhood target, across 12.57 km².
Trees in this area
89,535
Target trees
109,955
More trees needed
20,420
CO₂ if planted / yr
449.2 t
Deforestation · 2001–2025
How much forest has Bijie lost?
Since 2001, the area within 10 km of Bijie has lost about 398 hectares of forest (about 560 football pitches): 5.6% of the forest it had in 2000. Most of it was lost to logging, so much of it can grow back. About 152 hectares (38%) was deforestation: forest cleared for good for farms, mines or towns.
2017: satellite photo from October 2017 of a 5 × 5 km area about 7 km east of the city center.
- Forest lost since 2001
- 398 haabout 560 football pitches
- Share of its forest
- 5.6%of what there was in 2000
- Cleared for good
- 152 hadeforestation: turned into farms, mines or towns
The worst year was 2002, when about 160 hectares of forest were lost.
Bijie's full deforestation reportHectares of forest lost each year
Show the figures as a table
| Year | Cleared for good | Can grow back | Total |
|---|---|---|---|
| 2001 | 3 ha | 2 ha | 5 ha |
| 2002 | 41 ha | 119 ha | 160 ha |
| 2003 | 2 ha | 3 ha | 5 ha |
| 2004 | under 1 ha | under 1 ha | under 1 ha |
| 2005 | under 1 ha | under 1 ha | 1 ha |
| 2006 | 3 ha | 3 ha | 6 ha |
| 2007 | 5 ha | 6 ha | 11 ha |
| 2008 | 12 ha | 15 ha | 27 ha |
| 2009 | 7 ha | 21 ha | 28 ha |
| 2010 | 15 ha | 16 ha | 31 ha |
| 2011 | 4 ha | 3 ha | 7 ha |
| 2012 | under 1 ha | under 1 ha | 1 ha |
| 2013 | 3 ha | 1 ha | 4 ha |
| 2014 | 4 ha | 2 ha | 6 ha |
| 2015 | 2 ha | under 1 ha | 3 ha |
| 2016 | 7 ha | under 1 ha | 7 ha |
| 2017 | 8 ha | under 1 ha | 9 ha |
| 2018 | 3 ha | 8 ha | 11 ha |
| 2019 | under 1 ha | under 1 ha | under 1 ha |
| 2020 | 3 ha | under 1 ha | 3 ha |
| 2021 | 6 ha | under 1 ha | 6 ha |
| 2022 | 2 ha | under 1 ha | 3 ha |
| 2023 | under 1 ha | under 1 ha | under 1 ha |
| 2024 | 20 ha | 41 ha | 61 ha |
| 2025 | 1 ha | 4 ha | 6 ha |
What is causing deforestation around Bijie?
- Loggingcan grow back55% · 218 ha
- Towns and roadscleared for good33% · 130 ha
- Farms, pasture and plantationscleared for good5.2% · 21 ha
Also: wildfires, 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
- 15,400 ha
- Forest in 2020
- 17,100 ha
- Overall change
- +1,680 hamore forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Bijie grew from about 15,400 hectares to 17,100 hectares, a net gain of about 1,680 hectares (+11%). New forest grew on about 1,940 hectares, while 262 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 Bijie
What is the air quality (AQI) in Bijie right now?
The latest reading for Bijie shows an AQI of 124 (Unhealthy for sensitive groups), observed Nov 11, 03:00 local time via Open-Meteo / CAMS, corrected with 5 ground-station cities within 185 km, US EPA index. The main pollutant is PM2.5. Sensitive groups should limit long or intense outdoor activity.
Is it safe to exercise outside in Bijie today?
At AQI 124 (Unhealthy for sensitive groups): children, older adults and people with asthma or heart disease should cut down long or hard exercise. Windows: close them to keep the outside air out. Masks: sensitive groups: an N95 outdoors. The reading changes through the day, so check again before a long run or ride.
What has the air quality in Bijie been like this week?
Over the last 7 days, the CAMS air-quality model put Bijie's daily AQI at 50 on average, from 16 on Nov 9 to an hourly peak of 119 on Nov 11. On 1 of those days the average was above 100, unhealthy for sensitive groups.
How much forest has the area around Bijie lost since 2001?
Since 2001, the area within 10 km of Bijie has lost about 398 hectares of forest (about 560 football pitches): 5.6% of the forest it had in 2000. Most of it was lost to logging, so much of it can grow back. About 152 hectares (38%) was deforestation: forest cleared for good for farms, mines or towns. Comparing satellite maps from 2000 and 2020, the forest around Bijie grew from about 15,400 hectares to 17,100 hectares, a net gain of about 1,680 hectares (+11%). New forest grew on about 1,940 hectares, while 262 hectares were lost.
What is the tree count in Bijie?
Bijie has an estimated 89,535 trees across the 12.57 km² measured — 28.5% tree cover, 7 percentage points short of the 35% tree-cover target set for this area.
How many more trees does Bijie need?
Bijie needs roughly 20,420 more trees to close a 7-point shortfall against its 35% tree-cover target — about 449.2 t of extra CO₂ absorbed per year once grown.
How are Bijie'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 Qixingguan District; the tree count is an estimate derived from that cover.
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