City report · Guangdong, China
Shiqiao Air quality today
Air quality in Shiqiao currently reads AQI 87 (Moderate): Unusually sensitive people should consider limiting long outdoor exertion.
Air quality right now
AQI 87
Moderate
- PM2.5, fine particles (µg/m³)
- 28.3
- tree cover
- 20.6%
- trees in this area
- 64.3K
- more trees needed
- 29.3K
Measured across a 2 km radius around Panyu District, Guangzhou, Guangdong Province, China (12.57 km²), from a satellite image of Aug 11, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Shiqiao · AQI 87 (Moderate)
Shiqiao's tree count comes to 64,264 trees across 12.48 km² of land, 9 points below the 30% tree-cover level considered healthy for this area, so roughly 29,324 more trees would close the gap.
Air quality detail
Air quality in Shiqiao today: AQI 87, Moderate
Main pollutant: PM2.5 · Observed Nov 11, 22:00 local time via World Air Quality Index Project ground stations, US EPA index. Values in µg/m³.
Ground station · pānyú zhōngxué, Guangzhou (广州番禺中学), 600 m away · median of 3 stations
Health signal
Unusually sensitive people should consider limiting long outdoor exertion.
PM2.5
28.3
PM10
47.5
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
- Fine for most people; unusually sensitive people should take long or hard exercise easier
- Windows
- Fine to open; close them if you are sensitive to pollution
- Mask
- Not needed for most people
- Air purifier
- Worth running if you are sensitive
Over the last 7 days, the CAMS air-quality model put Shiqiao's daily AQI at 95 on average, from 61 on Nov 9 to an hourly peak of 181 on Nov 5.
Where Shiqiao stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Shiqiao: Below target
20.6% tree cover against a 30% healthy-neighborhood target, across 12.48 km² of land.
Trees in this area
64,264
Target trees
93,588
More trees needed
29,324
CO₂ if planted / yr
645.1 t
Deforestation · 2001–2025
How much forest has Shiqiao lost?
Since 2001, the area within 10 km of Shiqiao has lost about 54 hectares of forest (about 75 football pitches): 4.8% of the forest it had in 2000. Most of it (83%) was deforestation, forest cleared for good, mainly for towns and roads.
2018: satellite photo from December 2017 of a 5 × 5 km area in the city center.
- Forest lost since 2001
- 54 haabout 75 football pitches
- Share of its forest
- 4.8%of what there was in 2000
- Cleared for good
- 45 hadeforestation: turned into farms, mines or towns
The worst year was 2001, when about 14 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 | 14 ha | under 1 ha | 14 ha |
| 2002 | 2 ha | under 1 ha | 2 ha |
| 2003 | under 1 ha | under 1 ha | under 1 ha |
| 2004 | under 1 ha | under 1 ha | under 1 ha |
| 2005 | 1 ha | under 1 ha | 2 ha |
| 2006 | 2 ha | under 1 ha | 2 ha |
| 2007 | 1 ha | under 1 ha | 2 ha |
| 2008 | 3 ha | under 1 ha | 4 ha |
| 2009 | 1 ha | under 1 ha | 2 ha |
| 2010 | under 1 ha | under 1 ha | 2 ha |
| 2011 | under 1 ha | under 1 ha | 1 ha |
| 2012 | 1 ha | under 1 ha | 2 ha |
| 2013 | under 1 ha | under 1 ha | under 1 ha |
| 2014 | under 1 ha | under 1 ha | under 1 ha |
| 2015 | under 1 ha | under 1 ha | under 1 ha |
| 2016 | under 1 ha | under 1 ha | under 1 ha |
| 2017 | 3 ha | under 1 ha | 3 ha |
| 2018 | 1 ha | under 1 ha | 1 ha |
| 2019 | 2 ha | 2 ha | 4 ha |
| 2020 | under 1 ha | under 1 ha | under 1 ha |
| 2021 | 3 ha | under 1 ha | 3 ha |
| 2022 | under 1 ha | under 1 ha | under 1 ha |
| 2023 | 3 ha | under 1 ha | 3 ha |
| 2024 | under 1 ha | under 1 ha | under 1 ha |
| 2025 | 4 ha | under 1 ha | 4 ha |
What is causing deforestation around Shiqiao?
- Towns and roadscleared for good83% · 45 ha
- Loggingcan grow back3.7% · 2 ha
- Unknown causescause unknown13% · 7 ha
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
- 2,790 ha
- Forest in 2020
- 3,230 ha
- Overall change
- +448 hamore forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Shiqiao grew from about 2,790 hectares to 3,230 hectares, a net gain of about 448 hectares (+16%). New forest grew on about 541 hectares, while 93 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 Shiqiao
What is the air quality (AQI) in Shiqiao right now?
The latest reading for Shiqiao shows an AQI of 87 (Moderate), measured Nov 11, 22:00 local time by 3 ground monitoring stations via OpenAQ (the median of their readings; the nearest is pānyú zhōngxué, Guangzhou (广州番禺中学), 600 m away). The main pollutant is PM2.5. Unusually sensitive people should consider limiting long outdoor exertion.
Is it safe to exercise outside in Shiqiao today?
At AQI 87 (Moderate): fine for most people; unusually sensitive people should take long or hard exercise easier. Windows: fine to open; close them if you are sensitive to pollution. Masks: not needed for most people. The reading changes through the day, so check again before a long run or ride.
What has the air quality in Shiqiao been like this week?
Over the last 7 days, the CAMS air-quality model put Shiqiao's daily AQI at 95 on average, from 61 on Nov 9 to an hourly peak of 181 on Nov 5. On 4 of those days the average was above 100, unhealthy for sensitive groups.
How much forest has the area around Shiqiao lost since 2001?
Since 2001, the area within 10 km of Shiqiao has lost about 54 hectares of forest (about 75 football pitches): 4.8% of the forest it had in 2000. Most of it (83%) was deforestation, forest cleared for good, mainly for towns and roads. Comparing satellite maps from 2000 and 2020, the forest around Shiqiao grew from about 2,790 hectares to 3,230 hectares, a net gain of about 448 hectares (+16%). New forest grew on about 541 hectares, while 93 hectares were lost.
What is the tree count in Shiqiao?
Shiqiao has an estimated 64,264 trees across the 12.48 km² of land measured — 20.6% tree cover, 9 percentage points short of the 30% tree-cover target set for this area.
How many more trees does Shiqiao need?
Shiqiao needs roughly 29,324 more trees to close a 9-point shortfall against its 30% tree-cover target — about 645.1 t of extra CO₂ absorbed per year once grown.
How are Shiqiao's air quality and tree cover measured?
Air quality is measured by ground monitoring stations near Panyu 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 Panyu District; the tree count is an estimate derived from that cover.
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