City report · Guangdong, China
Shuizhai Air quality today
Air quality in Shuizhai currently reads AQI 30 (Good): Air quality is satisfactory for everyone.
AQI 30
Air quality right now
Good
- PM2.5, fine particles (µg/m³)
- 5.7
- tree cover
- 21.5%
- trees in this area
- 65.2K
- more trees needed
- 25.8K
Measured across a 2 km radius around Wuhua County, Meizhou, Guangdong Province, China (12.57 km²), from a satellite image of Jul 24, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Shuizhai · AQI 30 (Good)
Shuizhai's tree count comes to 65,248 trees across 12.14 km² of land, 9 points below the 30% tree-cover level considered healthy for this area, so roughly 25,796 more trees would close the gap.
Air quality detail
Air quality in Shuizhai today: AQI 30, Good
Main pollutant: PM2.5 · Observed Nov 11, 00:00 local time via Open-Meteo / CAMS, corrected with 33 ground-station cities within 245 km, US EPA index. Values in µg/m³.
Estimate · model corrected with 33 station cities within 245 km, e.g. Meizhou and Jieyang
Health signal
Air quality is satisfactory for everyone.
PM2.5
5.7
PM10
10.2
NO₂
7.6
O₃
56.0
SO₂
2.3
CO
267.0
- Outdoor exercise
- A good day to be active outside
- Windows
- Open them to air the house
- Mask
- Not needed
- Air purifier
- Not needed
Over the last 7 days, the CAMS air-quality model put Shuizhai's daily AQI at 57 on average, from 32 on Nov 10 to an hourly peak of 136 on Nov 5.
Where Shuizhai stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Shuizhai: Below target
21.5% tree cover against a 30% healthy-neighborhood target, across 12.14 km² of land.
Trees in this area
65,248
Target trees
91,044
More trees needed
25,796
CO₂ if planted / yr
567.5 t
Deforestation · 2001–2025
How much forest has Shuizhai lost?
Since 2001, the area within 10 km of Shuizhai has lost about 370 hectares of forest (about 520 football pitches): 24% of the forest it had in 2000. Most of it was lost to logging, so much of it can grow back. About 101 hectares (27%) was deforestation: forest cleared for good for farms, mines or towns.
2017: satellite photo from January 2017 of a 5 × 5 km area about 6 km west of the city center.
- Forest lost since 2001
- 370 haabout 520 football pitches
- Share of its forest
- 24%of what there was in 2000
- Cleared for good
- 101 hadeforestation: turned into farms, mines or towns
The worst year was 2004, when about 65 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 | 7 ha | 8 ha |
| 2002 | 3 ha | 27 ha | 29 ha |
| 2003 | under 1 ha | 8 ha | 8 ha |
| 2004 | 17 ha | 48 ha | 65 ha |
| 2005 | 3 ha | 4 ha | 7 ha |
| 2006 | 1 ha | 9 ha | 11 ha |
| 2007 | 2 ha | 11 ha | 13 ha |
| 2008 | 13 ha | 2 ha | 15 ha |
| 2009 | 13 ha | 13 ha | 26 ha |
| 2010 | under 1 ha | 1 ha | 2 ha |
| 2011 | 4 ha | 14 ha | 18 ha |
| 2012 | 1 ha | 1 ha | 3 ha |
| 2013 | 3 ha | 7 ha | 10 ha |
| 2014 | 6 ha | 12 ha | 18 ha |
| 2015 | 6 ha | 22 ha | 28 ha |
| 2016 | 2 ha | 5 ha | 7 ha |
| 2017 | 12 ha | 2 ha | 14 ha |
| 2018 | 5 ha | 9 ha | 14 ha |
| 2019 | under 1 ha | 21 ha | 21 ha |
| 2020 | 1 ha | 14 ha | 15 ha |
| 2021 | 3 ha | 11 ha | 14 ha |
| 2022 | under 1 ha | 8 ha | 8 ha |
| 2023 | 2 ha | 2 ha | 3 ha |
| 2024 | under 1 ha | 6 ha | 7 ha |
| 2025 | 1 ha | 6 ha | 7 ha |
What is causing deforestation around Shuizhai?
- Loggingcan grow back66% · 244 ha
- Towns and roadscleared for good24% · 88 ha
- Wildfirescan grow back5.5% · 20 ha
Also: mining and energy, 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
- 8,310 ha
- Forest in 2020
- 8,210 ha
- Overall change
- −104 haless forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Shuizhai stayed about the same size, at about 8,210 hectares: new forest grew on about 501 hectares, and about 604 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 Shuizhai
What is the air quality (AQI) in Shuizhai right now?
The latest reading for Shuizhai shows an AQI of 30 (Good), observed Nov 11, 00:00 local time via Open-Meteo / CAMS, corrected with 33 ground-station cities within 245 km, US EPA index. The main pollutant is PM2.5. Air quality is satisfactory for everyone.
Is it safe to exercise outside in Shuizhai today?
At AQI 30 (Good): a good day to be active outside. Windows: open them to air the house. Masks: not needed. The reading changes through the day, so check again before a long run or ride.
What has the air quality in Shuizhai been like this week?
Over the last 7 days, the CAMS air-quality model put Shuizhai's daily AQI at 57 on average, from 32 on Nov 10 to an hourly peak of 136 on Nov 5. No day averaged above 100, the level where the air turns unhealthy for sensitive groups.
How much forest has the area around Shuizhai lost since 2001?
Since 2001, the area within 10 km of Shuizhai has lost about 370 hectares of forest (about 520 football pitches): 24% of the forest it had in 2000. Most of it was lost to logging, so much of it can grow back. About 101 hectares (27%) was deforestation: forest cleared for good for farms, mines or towns. Comparing satellite maps from 2000 and 2020, the forest around Shuizhai stayed about the same size, at about 8,210 hectares: new forest grew on about 501 hectares, and about 604 hectares were lost.
What is the tree count in Shuizhai?
Shuizhai has an estimated 65,248 trees across the 12.14 km² of land measured — 21.5% tree cover, 9 percentage points short of the 30% tree-cover target set for this area.
How many more trees does Shuizhai need?
Shuizhai needs roughly 25,796 more trees to close a 9-point shortfall against its 30% tree-cover target — about 567.5 t of extra CO₂ absorbed per year once grown.
How are Shuizhai'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 Wuhua County; the tree count is an estimate derived from that cover.
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