City report · Guangdong, China
Donghai Air quality today
Air quality in Donghai currently reads AQI 109 (Unhealthy for sensitive groups): Sensitive groups should limit long or intense outdoor activity.
AQI 109
Air quality right now
Unhealthy for sensitive groups
- PM2.5, fine particles (µg/m³)
- 38.7
- tree cover
- 15.2%
- trees in this area
- 47.2K
- more trees needed
- 61.5K
Measured across a 2 km radius around Lufeng, Guangdong, Shanwei, 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.
Donghai · AQI 109 (Unhealthy for sensitive groups)
Donghai's tree count comes to 47,179 trees across 12.42 km² of land, 20 points below the 35% tree-cover level considered healthy for this area, so roughly 61,457 more trees would close the gap.
Air quality detail
Air quality in Donghai today: AQI 109, 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 · 陆丰迎仙桥, (汕尾市陆丰迎仙桥), 300 m away
Health signal
Sensitive groups should limit long or intense outdoor activity.
PM2.5
38.7
PM10
83.3
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 Donghai's daily AQI at 62 on average, from 38 on Nov 10 to an hourly peak of 102 on Nov 8.
Where Donghai stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Donghai: Critically low
15.2% tree cover against a 35% healthy-neighborhood target, across 12.42 km² of land.
Trees in this area
47,179
Target trees
108,636
More trees needed
61,457
CO₂ if planted / yr
1,352 t
Deforestation · 2001–2025
How much forest has Donghai lost?
Since 2001, the area within 10 km of Donghai has lost about 163 hectares of forest (about 230 football pitches): 18% of the forest it had in 2000. Most of it was lost to logging, so much of it can grow back. About 7 hectares (4.1%) was deforestation: forest cleared for good for farms, mines or towns.
2017: satellite photo from January 2017 of a 5 × 5 km area in the city center.
- Forest lost since 2001
- 163 haabout 230 football pitches
- Share of its forest
- 18%of what there was in 2000
- Cleared for good
- 7 hadeforestation: turned into farms, mines or towns
The worst year was 2014, when about 45 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 | 1 ha | 4 ha | 5 ha |
| 2002 | under 1 ha | under 1 ha | under 1 ha |
| 2003 | under 1 ha | under 1 ha | under 1 ha |
| 2004 | under 1 ha | 2 ha | 2 ha |
| 2005 | under 1 ha | 4 ha | 4 ha |
| 2006 | under 1 ha | 4 ha | 4 ha |
| 2007 | under 1 ha | 11 ha | 11 ha |
| 2008 | under 1 ha | 6 ha | 6 ha |
| 2009 | under 1 ha | 2 ha | 2 ha |
| 2010 | under 1 ha | 3 ha | 4 ha |
| 2011 | under 1 ha | 6 ha | 6 ha |
| 2012 | under 1 ha | 1 ha | 2 ha |
| 2013 | under 1 ha | 8 ha | 8 ha |
| 2014 | under 1 ha | 45 ha | 45 ha |
| 2015 | under 1 ha | 33 ha | 33 ha |
| 2016 | under 1 ha | under 1 ha | under 1 ha |
| 2017 | under 1 ha | 9 ha | 9 ha |
| 2018 | under 1 ha | 3 ha | 4 ha |
| 2019 | under 1 ha | 3 ha | 3 ha |
| 2020 | under 1 ha | under 1 ha | 1 ha |
| 2021 | under 1 ha | 3 ha | 3 ha |
| 2022 | under 1 ha | 2 ha | 2 ha |
| 2023 | 1 ha | 4 ha | 5 ha |
| 2024 | under 1 ha | 1 ha | 2 ha |
| 2025 | under 1 ha | 1 ha | 1 ha |
What is causing deforestation around Donghai?
- Loggingcan grow back89% · 145 ha
- Towns and roadscleared for good3.4% · 6 ha
- Unknown causescause unknown6.5% · 11 ha
Also: mining and energy, farms, pasture and plantations, wildfires.
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
- 3,060 ha
- Forest in 2020
- 3,520 ha
- Overall change
- +461 hamore forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Donghai grew from about 3,060 hectares to 3,520 hectares, a net gain of about 461 hectares (+15%). New forest grew on about 561 hectares, while 100 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 Donghai
What is the air quality (AQI) in Donghai right now?
The latest reading for Donghai shows an AQI of 109 (Unhealthy for sensitive groups), measured Nov 12, 00:00 local time by the 陆丰迎仙桥, (汕尾市陆丰迎仙桥) ground monitoring station, 300 m 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 Donghai today?
At AQI 109 (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 Donghai been like this week?
Over the last 7 days, the CAMS air-quality model put Donghai's daily AQI at 62 on average, from 38 on Nov 10 to an hourly peak of 102 on Nov 8. No day averaged above 100, the level where the air turns unhealthy for sensitive groups.
How much forest has the area around Donghai lost since 2001?
Since 2001, the area within 10 km of Donghai has lost about 163 hectares of forest (about 230 football pitches): 18% of the forest it had in 2000. Most of it was lost to logging, so much of it can grow back. About 7 hectares (4.1%) was deforestation: forest cleared for good for farms, mines or towns. Comparing satellite maps from 2000 and 2020, the forest around Donghai grew from about 3,060 hectares to 3,520 hectares, a net gain of about 461 hectares (+15%). New forest grew on about 561 hectares, while 100 hectares were lost.
What is the tree count in Donghai?
Donghai has an estimated 47,179 trees across the 12.42 km² of land measured — 15.2% tree cover, 20 percentage points short of the 35% tree-cover target set for this area.
How many more trees does Donghai need?
Donghai needs roughly 61,457 more trees to close a 20-point shortfall against its 35% tree-cover target — about 1,352 t of extra CO₂ absorbed per year once grown.
How are Donghai's air quality and tree cover measured?
Air quality is measured by ground monitoring stations near Lufeng, 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 Lufeng; the tree count is an estimate derived from that cover.
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