City report · Anhui, China
Chuzhou Air quality today
Air quality in Chuzhou currently reads AQI 144 (Unhealthy for sensitive groups): Sensitive groups should limit long or intense outdoor activity.
Air quality right now
AQI 144
Unhealthy for sensitive groups
- PM2.5, fine particles (µg/m³)
- 52.4
- tree cover
- 36.2%
- trees in this area
- 90.0K
- more trees needed
- 0
Measured across a 2 km radius around Langya District, Chuzhou, Anhui, China (12.57 km²), from a satellite image of Aug 3, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Chuzhou · AQI 144 (Unhealthy for sensitive groups)
Chuzhou's tree count comes to 89,957 trees across 9.94 km² of land, already at or above the 35% tree-cover level considered healthy for this area.
Air quality detail
Air quality in Chuzhou today: AQI 144, Unhealthy for sensitive groups
Main pollutant: PM2.5 · Observed Nov 11, 03:00 local time via Open-Meteo / CAMS, corrected with 16 ground-station cities within 205 km, US EPA index. Values in µg/m³.
Estimate · model corrected with 16 station cities within 205 km, e.g. Nanjing and Maanshan
Health signal
Sensitive groups should limit long or intense outdoor activity.
PM2.5
52.4
PM10
73.8
NO₂
60.1
O₃
0.0
SO₂
22.3
CO
932.0
- 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 Chuzhou's daily AQI at 103 on average, from 62 on Nov 9 to an hourly peak of 165 on Nov 10.
Where Chuzhou stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Chuzhou: Healthy tree cover
36.2% tree cover against a 35% healthy-neighborhood target, across 9.94 km² of land.
Trees in this area
89,957
Target trees
89,957
More trees needed
0
CO₂ if planted / yr
0 kg
Deforestation · 2001–2025
How much forest has Chuzhou lost?
Since 2001, the area within 10 km of Chuzhou has lost about 75 hectares of forest (about 100 football pitches): 3.7% of the forest it had in 2000. Most of it was lost to logging, so much of it can grow back. About 20 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 in the city center.
- Forest lost since 2001
- 75 haabout 100 football pitches
- Share of its forest
- 3.7%of what there was in 2000
- Cleared for good
- 20 hadeforestation: turned into farms, mines or towns
The worst year was 2010, when about 12 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 | 1 ha | under 1 ha | 2 ha |
| 2003 | 3 ha | under 1 ha | 3 ha |
| 2004 | 4 ha | 1 ha | 5 ha |
| 2005 | under 1 ha | under 1 ha | under 1 ha |
| 2006 | under 1 ha | 1 ha | 2 ha |
| 2007 | 2 ha | 2 ha | 4 ha |
| 2008 | under 1 ha | 1 ha | 1 ha |
| 2009 | under 1 ha | 5 ha | 6 ha |
| 2010 | 2 ha | 9 ha | 12 ha |
| 2011 | under 1 ha | under 1 ha | 1 ha |
| 2012 | under 1 ha | 4 ha | 4 ha |
| 2013 | under 1 ha | under 1 ha | under 1 ha |
| 2014 | 2 ha | under 1 ha | 3 ha |
| 2015 | under 1 ha | 2 ha | 2 ha |
| 2016 | under 1 ha | 2 ha | 2 ha |
| 2017 | under 1 ha | under 1 ha | under 1 ha |
| 2018 | under 1 ha | under 1 ha | under 1 ha |
| 2019 | under 1 ha | under 1 ha | under 1 ha |
| 2020 | under 1 ha | 1 ha | 1 ha |
| 2021 | under 1 ha | under 1 ha | under 1 ha |
| 2022 | under 1 ha | 2 ha | 3 ha |
| 2023 | under 1 ha | 2 ha | 2 ha |
| 2024 | under 1 ha | 6 ha | 7 ha |
| 2025 | under 1 ha | 11 ha | 11 ha |
What is causing deforestation around Chuzhou?
- Loggingcan grow back70% · 53 ha
- Mining and energycleared for good11% · 8 ha
- Towns and roadscleared for good11% · 8 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
- 4,130 ha
- Forest in 2020
- 4,480 ha
- Overall change
- +352 hamore forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Chuzhou grew from about 4,130 hectares to 4,480 hectares, a net gain of about 352 hectares (+8.5%). New forest grew on about 425 hectares, while 72 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 Chuzhou
What is the air quality (AQI) in Chuzhou right now?
The latest reading for Chuzhou shows an AQI of 144 (Unhealthy for sensitive groups), observed Nov 11, 03:00 local time via Open-Meteo / CAMS, corrected with 16 ground-station cities within 205 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 Chuzhou today?
At AQI 144 (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 Chuzhou been like this week?
Over the last 7 days, the CAMS air-quality model put Chuzhou's daily AQI at 103 on average, from 62 on Nov 9 to an hourly peak of 165 on Nov 10. On 2 of those days the average was above 100, unhealthy for sensitive groups.
How much forest has the area around Chuzhou lost since 2001?
Since 2001, the area within 10 km of Chuzhou has lost about 75 hectares of forest (about 100 football pitches): 3.7% of the forest it had in 2000. Most of it was lost to logging, so much of it can grow back. About 20 hectares (26%) was deforestation: forest cleared for good for farms, mines or towns. Comparing satellite maps from 2000 and 2020, the forest around Chuzhou grew from about 4,130 hectares to 4,480 hectares, a net gain of about 352 hectares (+8.5%). New forest grew on about 425 hectares, while 72 hectares were lost.
What is the tree count in Chuzhou?
Chuzhou has an estimated 89,957 trees across the 9.94 km² of land measured — 36.2% tree cover, already past the 35% tree-cover target set for this area.
How many more trees does Chuzhou need?
Chuzhou has already reached its tree-cover target, so no additional trees are needed to close the gap.
How are Chuzhou'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 Langya District; the tree count is an estimate derived from that cover.
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