City report · Guangdong, China
Changsha, Guangdong Air quality today
Air quality in Changsha, Guangdong currently reads AQI 142 (Unhealthy for sensitive groups): Sensitive groups should limit long or intense outdoor activity.
AQI 142
Air quality right now
Unhealthy for sensitive groups
- PM2.5, fine particles (µg/m³)
- 52.2
- tree cover
- 12.5%
- trees in this area
- 35.3K
- more trees needed
- 63.5K
Measured across a 2 km radius around Kaiping, Jiangmen, Guangdong Province, China (12.57 km²), from a satellite image of Sep 25, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Changsha, Guangdong · AQI 142 (Unhealthy for sensitive groups)
Changsha, Guangdong's tree count comes to 35,304 trees across 11.3 km² of land, 22 points below the 35% tree-cover level considered healthy for this area, so roughly 63,547 more trees would close the gap.
Air quality detail
Air quality in Changsha, Guangdong today: AQI 142, Unhealthy for sensitive groups
Main pollutant: PM2.5 · Observed Nov 12, 00:00 local time via World Air Quality Index Project ground stations, US EPA index. Values in µg/m³.
Ground station · 开平卫民, (江门市开平卫民), 2.9 km away
Health signal
Sensitive groups should limit long or intense outdoor activity.
PM2.5
52.2
PM10
65.1
NO₂
—
O₃
—
SO₂
—
CO
—
Data: World Air Quality Index Project, Guangdong Environmental Protection public network (广东环境保护公众网)
- 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 Changsha, Guangdong's daily AQI at 76 on average, from 53 on Nov 9 to an hourly peak of 143 on Nov 6.
Where Changsha, Guangdong stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Changsha, Guangdong: Critically low
12.5% tree cover against a 35% healthy-neighborhood target, across 11.3 km² of land.
Trees in this area
35,304
Target trees
98,851
More trees needed
63,547
CO₂ if planted / yr
1,398 t
Deforestation · 2001–2025
How much forest has Changsha, Guangdong lost?
Since 2001, the area within 10 km of Changsha, Guangdong has lost about 2,170 hectares of forest (about 3,000 football pitches): 37% of the forest it had in 2000. Most of it was lost to logging, so much of it can grow back. About 495 hectares (23%) was deforestation: forest cleared for good for farms, mines or towns.
2020: satellite photo from December 2019 of a 5 × 5 km area about 7 km northwest of the city center.
- Forest lost since 2001
- 2,170 haabout 3,000 football pitches
- Share of its forest
- 37%of what there was in 2000
- Cleared for good
- 495 hadeforestation: turned into farms, mines or towns
Forest loss is slowing down: about 76 hectares a year in 2021–2025, down from 133 hectares a year in 2016–2020. The worst year was 2016, when about 192 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 | 10 ha | 11 ha |
| 2002 | 1 ha | 12 ha | 13 ha |
| 2003 | 1 ha | 32 ha | 34 ha |
| 2004 | 21 ha | 113 ha | 134 ha |
| 2005 | 12 ha | 109 ha | 121 ha |
| 2006 | 19 ha | 46 ha | 65 ha |
| 2007 | 40 ha | 64 ha | 104 ha |
| 2008 | 6 ha | 22 ha | 27 ha |
| 2009 | 32 ha | 45 ha | 77 ha |
| 2010 | 57 ha | 28 ha | 85 ha |
| 2011 | 43 ha | 131 ha | 174 ha |
| 2012 | 15 ha | 46 ha | 61 ha |
| 2013 | 9 ha | 40 ha | 49 ha |
| 2014 | 23 ha | 62 ha | 85 ha |
| 2015 | 16 ha | 72 ha | 87 ha |
| 2016 | 15 ha | 177 ha | 192 ha |
| 2017 | 22 ha | 126 ha | 148 ha |
| 2018 | 29 ha | 156 ha | 185 ha |
| 2019 | 29 ha | 87 ha | 116 ha |
| 2020 | 9 ha | 16 ha | 26 ha |
| 2021 | 21 ha | 19 ha | 39 ha |
| 2022 | 40 ha | 79 ha | 119 ha |
| 2023 | 15 ha | 26 ha | 41 ha |
| 2024 | 15 ha | 54 ha | 69 ha |
| 2025 | 5 ha | 107 ha | 112 ha |
What is causing deforestation around Changsha, Guangdong?
- Loggingcan grow back77% · 1,680 ha
- Towns and roadscleared for good23% · 492 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
- 7,350 ha
- Forest in 2020
- 6,740 ha
- Overall change
- −608 haless forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Changsha, Guangdong shrank from about 7,350 hectares to 6,740 hectares, a net loss of about 608 hectares (−8.3%). New forest grew on about 388 hectares, but 995 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 Changsha, Guangdong
Same 2 km radius, same index — so they compare directly.
Build your own
Compare Changsha, Guangdong with anywhere
This place
Changsha, Guangdong
Use this data
Put Changsha, Guangdong's numbers on your site
Free to embed. Updates itself as the measurement refreshes.
Frequently asked
Questions about Changsha, Guangdong
What is the air quality (AQI) in Changsha, Guangdong right now?
The latest reading for Changsha, Guangdong shows an AQI of 142 (Unhealthy for sensitive groups), measured Nov 12, 00:00 local time by the 开平卫民, (江门市开平卫民) ground monitoring station, 2.9 km away, via OpenAQ. The main pollutant is PM2.5. Sensitive groups should limit long or intense outdoor activity.
Is it safe to exercise outside in Changsha, Guangdong today?
At AQI 142 (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 Changsha, Guangdong been like this week?
Over the last 7 days, the CAMS air-quality model put Changsha, Guangdong's daily AQI at 76 on average, from 53 on Nov 9 to an hourly peak of 143 on Nov 6. On 1 of those days the average was above 100, unhealthy for sensitive groups.
How much forest has the area around Changsha, Guangdong lost since 2001?
Since 2001, the area within 10 km of Changsha, Guangdong has lost about 2,170 hectares of forest (about 3,000 football pitches): 37% of the forest it had in 2000. Most of it was lost to logging, so much of it can grow back. About 495 hectares (23%) was deforestation: forest cleared for good for farms, mines or towns. Forest loss is slowing down: about 76 hectares a year in 2021–2025, down from 133 hectares a year in 2016–2020. Comparing satellite maps from 2000 and 2020, the forest around Changsha, Guangdong shrank from about 7,350 hectares to 6,740 hectares, a net loss of about 608 hectares (−8.3%). New forest grew on about 388 hectares, but 995 hectares were lost.
What is the tree count in Changsha, Guangdong?
Changsha, Guangdong has an estimated 35,304 trees across the 11.3 km² of land measured — 12.5% tree cover, 22 percentage points short of the 35% tree-cover target set for this area.
How many more trees does Changsha, Guangdong need?
Changsha, Guangdong needs roughly 63,547 more trees to close a 22-point shortfall against its 35% tree-cover target — about 1,398 t of extra CO₂ absorbed per year once grown.
How are Changsha, Guangdong's air quality and tree cover measured?
Air quality is measured by ground monitoring stations near Kaiping, 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 Kaiping; the tree count is an estimate derived from that cover.
See your own area
What does your neighborhood look like?
Pick any point and radius to get the same air-quality and tree-cover breakdown.
Check my address