City report · Guangdong, China
Maba Air quality today
Air quality in Maba currently reads AQI 85 (Moderate): Unusually sensitive people should consider limiting long outdoor exertion.
AQI 85
Air quality right now
Moderate
- PM2.5, fine particles (µg/m³)
- 27.1
- tree cover
- 35.9%
- trees in this area
- 111K
- more trees needed
- 0
Measured across a 2 km radius around Qujiang District, Shaoguan, Shaoguan, Guangdong Province, China (12.57 km²), from a satellite image of Aug 8, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Maba · AQI 85 (Moderate)
Maba's tree count comes to 110,979 trees across 12.37 km² of land, already at or above the 30% tree-cover level considered healthy for this area.
Air quality detail
Air quality in Maba today: AQI 85, Moderate
Main pollutant: PM2.5 · Observed Nov 11, 23:00 local time via World Air Quality Index Project ground stations, US EPA index. Values in µg/m³.
Ground station · Qujiang Monitoring Station, Shaoguan (韶关曲江监测站), 300 m away · median of 2 stations
Health signal
Unusually sensitive people should consider limiting long outdoor exertion.
PM2.5
27.1
PM10
46.5
NO₂
—
O₃
—
SO₂
—
CO
—
Data: World Air Quality Index Project
- 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 Maba's daily AQI at 61 on average, from 51 on Nov 7 to an hourly peak of 134 on Nov 5.
Where Maba stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Maba: Healthy tree cover
35.9% tree cover against a 30% healthy-neighborhood target, across 12.37 km² of land.
Trees in this area
110,979
Target trees
110,979
More trees needed
0
CO₂ if planted / yr
0 kg
Deforestation · 2001–2025
How much forest has Maba lost?
Since 2001, the area within 10 km of Maba has lost about 4,470 hectares of forest (about 6,300 football pitches): 42% of the forest it had in 2000. Most of it was lost to logging, so much of it can grow back. About 187 hectares (4.2%) was deforestation: forest cleared for good for farms, mines or towns.
2018: satellite photo from October 2017 of a 5 × 5 km area about 7 km north of the city center.
- Forest lost since 2001
- 4,470 haabout 6,300 football pitches
- Share of its forest
- 42%of what there was in 2000
- Cleared for good
- 187 hadeforestation: turned into farms, mines or towns
Forest loss is speeding up: about 308 hectares a year in 2021–2025, up from 236 hectares a year in 2016–2020. The worst year was 2022, when about 506 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 | 2 ha | 46 ha | 48 ha |
| 2002 | under 1 ha | 45 ha | 46 ha |
| 2003 | 4 ha | 28 ha | 32 ha |
| 2004 | 7 ha | 122 ha | 129 ha |
| 2005 | 9 ha | 74 ha | 82 ha |
| 2006 | 1 ha | 67 ha | 68 ha |
| 2007 | 8 ha | 91 ha | 98 ha |
| 2008 | 6 ha | 116 ha | 122 ha |
| 2009 | 8 ha | 65 ha | 72 ha |
| 2010 | 5 ha | 102 ha | 107 ha |
| 2011 | under 1 ha | 47 ha | 47 ha |
| 2012 | 5 ha | 132 ha | 137 ha |
| 2013 | 3 ha | 157 ha | 160 ha |
| 2014 | 27 ha | 249 ha | 276 ha |
| 2015 | 2 ha | 319 ha | 321 ha |
| 2016 | 10 ha | 394 ha | 404 ha |
| 2017 | 9 ha | 208 ha | 217 ha |
| 2018 | 18 ha | 228 ha | 246 ha |
| 2019 | 5 ha | 171 ha | 176 ha |
| 2020 | 3 ha | 134 ha | 137 ha |
| 2021 | 6 ha | 189 ha | 195 ha |
| 2022 | 7 ha | 499 ha | 506 ha |
| 2023 | 13 ha | 300 ha | 313 ha |
| 2024 | 7 ha | 286 ha | 293 ha |
| 2025 | 21 ha | 214 ha | 235 ha |
What is causing deforestation around Maba?
- Loggingcan grow back96% · 4,280 ha
- Towns and roadscleared for good2.7% · 122 ha
- Mining and energycleared for good1.1% · 48 ha
Also: farms, pasture and plantations, storms, floods and other natural causes, 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
- 17,000 ha
- Forest in 2020
- 16,400 ha
- Overall change
- −600 haless forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Maba shrank from about 17,000 hectares to 16,400 hectares, a net loss of about 600 hectares (−3.5%). New forest grew on about 831 hectares, but 1,430 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 Maba
What is the air quality (AQI) in Maba right now?
The latest reading for Maba shows an AQI of 85 (Moderate), measured Nov 11, 23:00 local time by 2 ground monitoring stations via OpenAQ (the median of their readings; the nearest is Qujiang Monitoring Station, Shaoguan (韶关曲江监测站), 300 m away). The main pollutant is PM2.5. Unusually sensitive people should consider limiting long outdoor exertion.
Is it safe to exercise outside in Maba today?
At AQI 85 (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 Maba been like this week?
Over the last 7 days, the CAMS air-quality model put Maba's daily AQI at 61 on average, from 51 on Nov 7 to an hourly peak of 134 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 Maba lost since 2001?
Since 2001, the area within 10 km of Maba has lost about 4,470 hectares of forest (about 6,300 football pitches): 42% of the forest it had in 2000. Most of it was lost to logging, so much of it can grow back. About 187 hectares (4.2%) was deforestation: forest cleared for good for farms, mines or towns. Forest loss is speeding up: about 308 hectares a year in 2021–2025, up from 236 hectares a year in 2016–2020. Comparing satellite maps from 2000 and 2020, the forest around Maba shrank from about 17,000 hectares to 16,400 hectares, a net loss of about 600 hectares (−3.5%). New forest grew on about 831 hectares, but 1,430 hectares were lost.
What is the tree count in Maba?
Maba has an estimated 110,979 trees across the 12.37 km² of land measured — 35.9% tree cover, already past the 30% tree-cover target set for this area.
How many more trees does Maba need?
Maba has already reached its tree-cover target, so no additional trees are needed to close the gap.
How are Maba's air quality and tree cover measured?
Air quality is measured by ground monitoring stations near Qujiang 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 Qujiang District; the tree count is an estimate derived from that cover.
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