City report · Quảng Ninh, Vietnam
Cẩm Phả Air quality today
Air quality in Cẩm Phả currently reads AQI 62 (Moderate): Unusually sensitive people should consider limiting long outdoor exertion.
AQI 62
Air quality right now
Moderate
- PM2.5, fine particles (µg/m³)
- 6.5
- tree cover
- 34.8%
- trees in this area
- 92.1K
- more trees needed
- 0
Measured across a 2 km radius around Cam Pha, Quang Ninh, Vietnam (12.57 km²), from a satellite image of Sep 26, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Cẩm Phả · AQI 62 (Moderate)
Cẩm Phả's tree count comes to 92,054 trees across 10.58 km² of land, already at or above the 30% tree-cover level considered healthy for this area.
Air quality detail
Air quality in Cẩm Phả today: AQI 62, Moderate
Main pollutant: PM10 · Observed Nov 11, 22:00 local time via World Air Quality Index Project ground stations, US EPA index. Values in µg/m³.
Ground station · Quảng Ninh/Trung tâm văn hóa thể thao Cẩm Phả, Vietnam, 100 m away
Health signal
Unusually sensitive people should consider limiting long outdoor exertion.
PM2.5
6.5
PM10
77.2
NO₂
—
O₃
—
SO₂
—
CO
—
Data: World Air Quality Index Project, Vietnam Center For Environmental Monitoring Portal (cổng thông tin quan trắc môi trường)
- 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 Cẩm Phả's daily AQI at 41 on average, from 34 on Nov 10 to an hourly peak of 80 on Nov 4.
Where Cẩm Phả stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Cẩm Phả: Healthy tree cover
34.8% tree cover against a 30% healthy-neighborhood target, across 10.58 km² of land.
Trees in this area
92,054
Target trees
92,054
More trees needed
0
CO₂ if planted / yr
0 kg
Deforestation · 2001–2025
How much forest has Cẩm Phả lost?
Since 2001, the area within 10 km of Cẩm Phả has lost about 3,820 hectares of forest (about 5,400 football pitches): 52% of the forest it had in 2000. Most of it was lost to logging, so much of it can grow back. About 799 hectares (21%) was deforestation: forest cleared for good for farms, mines or towns.
2017: satellite photo from December 2017 of a 5 × 5 km area about 7 km north of the city center.
- Forest lost since 2001
- 3,820 haabout 5,400 football pitches
- Share of its forest
- 52%of what there was in 2000
- Cleared for good
- 799 hadeforestation: turned into farms, mines or towns
Forest loss is slowing down: about 157 hectares a year in 2021–2025, down from 284 hectares a year in 2016–2020. The worst year was 2018, when about 409 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 | 11 ha | 12 ha | 23 ha |
| 2002 | 9 ha | 9 ha | 18 ha |
| 2003 | 16 ha | 24 ha | 40 ha |
| 2004 | 20 ha | 31 ha | 51 ha |
| 2005 | 60 ha | 92 ha | 152 ha |
| 2006 | 20 ha | 94 ha | 114 ha |
| 2007 | 56 ha | 89 ha | 145 ha |
| 2008 | 10 ha | 17 ha | 27 ha |
| 2009 | 52 ha | 52 ha | 103 ha |
| 2010 | 24 ha | 126 ha | 150 ha |
| 2011 | 7 ha | 87 ha | 94 ha |
| 2012 | 31 ha | 125 ha | 156 ha |
| 2013 | 32 ha | 162 ha | 194 ha |
| 2014 | 50 ha | 163 ha | 213 ha |
| 2015 | 33 ha | 99 ha | 132 ha |
| 2016 | 53 ha | 164 ha | 217 ha |
| 2017 | 47 ha | 230 ha | 277 ha |
| 2018 | 22 ha | 387 ha | 409 ha |
| 2019 | 27 ha | 297 ha | 324 ha |
| 2020 | 25 ha | 171 ha | 195 ha |
| 2021 | 15 ha | 134 ha | 149 ha |
| 2022 | 17 ha | 106 ha | 123 ha |
| 2023 | 20 ha | 104 ha | 123 ha |
| 2024 | 75 ha | 188 ha | 263 ha |
| 2025 | 67 ha | 62 ha | 129 ha |
What is causing deforestation around Cẩm Phả?
- Loggingcan grow back77% · 2,930 ha
- Mining and energycleared for good19% · 724 ha
- Shifting farmingcan grow back2.4% · 92 ha
Also: towns and roads, farms, pasture and plantations, wildfires, 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
- 11,700 ha
- Forest in 2020
- 8,820 ha
- Overall change
- −2,900 haless forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Cẩm Phả shrank from about 11,700 hectares to 8,820 hectares, a net loss of about 2,900 hectares (−25%). New forest grew on about 433 hectares, but 3,340 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 Cẩm Phả
What is the air quality (AQI) in Cẩm Phả right now?
The latest reading for Cẩm Phả shows an AQI of 62 (Moderate), measured Nov 11, 22:00 local time by the Quảng Ninh/Trung tâm văn hóa thể thao Cẩm Phả, Vietnam ground monitoring station, 100 m away, via OpenAQ. The main pollutant is PM10. Unusually sensitive people should consider limiting long outdoor exertion.
Is it safe to exercise outside in Cẩm Phả today?
At AQI 62 (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 Cẩm Phả been like this week?
Over the last 7 days, the CAMS air-quality model put Cẩm Phả's daily AQI at 41 on average, from 34 on Nov 10 to an hourly peak of 80 on Nov 4. No day averaged above 100, the level where the air turns unhealthy for sensitive groups.
How much forest has the area around Cẩm Phả lost since 2001?
Since 2001, the area within 10 km of Cẩm Phả has lost about 3,820 hectares of forest (about 5,400 football pitches): 52% of the forest it had in 2000. Most of it was lost to logging, so much of it can grow back. About 799 hectares (21%) was deforestation: forest cleared for good for farms, mines or towns. Forest loss is slowing down: about 157 hectares a year in 2021–2025, down from 284 hectares a year in 2016–2020. Comparing satellite maps from 2000 and 2020, the forest around Cẩm Phả shrank from about 11,700 hectares to 8,820 hectares, a net loss of about 2,900 hectares (−25%). New forest grew on about 433 hectares, but 3,340 hectares were lost.
What is the tree count in Cẩm Phả?
Cẩm Phả has an estimated 92,054 trees across the 10.58 km² of land measured — 34.8% tree cover, already past the 30% tree-cover target set for this area.
How many more trees does Cẩm Phả need?
Cẩm Phả has already reached its tree-cover target, so no additional trees are needed to close the gap.
How are Cẩm Phả's air quality and tree cover measured?
Air quality is measured by ground monitoring stations near Cam Pha, 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 Cam Pha; the tree count is an estimate derived from that cover.
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