City report · An Giang, Vietnam
Rạch Giá Air quality today
Air quality in Rạch Giá currently reads AQI 42 (Good): Air quality is satisfactory for everyone.
AQI 42
Air quality right now
Good
- PM2.5, fine particles (µg/m³)
- 8.4
- tree cover
- 18.7%
- trees in this area
- 44.4K
- more trees needed
- 26.8K
Measured across a 2 km radius around Rach Gia, An Giang, Vietnam (12.57 km²), from a satellite image of Jul 8, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Rạch Giá · AQI 42 (Good)
Rạch Giá's tree count comes to 44,413 trees across 9.5 km² of land, 11 points below the 30% tree-cover level considered healthy for this area, so roughly 26,838 more trees would close the gap.
Air quality detail
Air quality in Rạch Giá today: AQI 42, Good
Main pollutant: PM2.5 · Observed Nov 10, 18:00 local time via Open-Meteo / CAMS, corrected with 3 ground-station cities within 205 km, US EPA index. Values in µg/m³.
Estimate · model corrected with 3 station cities within 205 km, e.g. Phnom Penh and Can Giuoc
Health signal
Air quality is satisfactory for everyone.
PM2.5
8.4
PM10
17.6
NO₂
11.1
O₃
106.0
SO₂
13.1
CO
351.0
- 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 Rạch Giá's daily AQI at 69 on average, from 63 on Nov 4 to an hourly peak of 98 on Nov 7.
Where Rạch Giá stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Rạch Giá: Below target
18.7% tree cover against a 30% healthy-neighborhood target, across 9.5 km² of land.
Trees in this area
44,413
Target trees
71,251
More trees needed
26,838
CO₂ if planted / yr
590.4 t
Deforestation · 2001–2025
How much forest has Rạch Giá lost?
Since 2001, the area within 10 km of Rạch Giá has lost about 13 hectares of forest (about 19 football pitches): 4.8% of the forest it had in 2000. Most of it (60%) was deforestation, forest cleared for good, mainly for farms, pasture and plantations.
2017: satellite photo from April 2017 of a 5 × 5 km area in the city center.
- Forest lost since 2001
- 13 haabout 19 football pitches
- Share of its forest
- 4.8%of what there was in 2000
- Cleared for good
- 8 hadeforestation: turned into farms, mines or towns
The worst year was 2023, when about 2 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 | under 1 ha | under 1 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 | under 1 ha | under 1 ha |
| 2005 | under 1 ha | under 1 ha | under 1 ha |
| 2006 | under 1 ha | under 1 ha | under 1 ha |
| 2007 | under 1 ha | under 1 ha | under 1 ha |
| 2008 | under 1 ha | under 1 ha | under 1 ha |
| 2009 | under 1 ha | under 1 ha | under 1 ha |
| 2010 | under 1 ha | under 1 ha | under 1 ha |
| 2011 | under 1 ha | under 1 ha | under 1 ha |
| 2012 | under 1 ha | under 1 ha | 1 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 | 1 ha | under 1 ha | 2 ha |
| 2017 | under 1 ha | under 1 ha | under 1 ha |
| 2018 | under 1 ha | under 1 ha | under 1 ha |
| 2019 | under 1 ha | under 1 ha | under 1 ha |
| 2020 | under 1 ha | under 1 ha | under 1 ha |
| 2021 | under 1 ha | under 1 ha | under 1 ha |
| 2022 | under 1 ha | under 1 ha | 1 ha |
| 2023 | 2 ha | under 1 ha | 2 ha |
| 2024 | under 1 ha | under 1 ha | under 1 ha |
| 2025 | under 1 ha | under 1 ha | under 1 ha |
What is causing deforestation around Rạch Giá?
- Farms, pasture and plantationscleared for good34% · 5 ha
- Towns and roadscleared for good25% · 3 ha
- Unknown causescause unknown39% · 5 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
- 188 ha
- Forest in 2020
- 281 ha
- Overall change
- +93 hamore forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Rạch Giá grew from about 188 hectares to 281 hectares, a net gain of about 93 hectares (+49%). New forest grew on about 110 hectares, while 16 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 Rạch Giá
What is the air quality (AQI) in Rạch Giá right now?
The latest reading for Rạch Giá shows an AQI of 42 (Good), observed Nov 10, 18:00 local time via Open-Meteo / CAMS, corrected with 3 ground-station cities within 205 km, US EPA index. The main pollutant is PM2.5. Air quality is satisfactory for everyone.
Is it safe to exercise outside in Rạch Giá today?
At AQI 42 (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 Rạch Giá been like this week?
Over the last 7 days, the CAMS air-quality model put Rạch Giá's daily AQI at 69 on average, from 63 on Nov 4 to an hourly peak of 98 on Nov 7. No day averaged above 100, the level where the air turns unhealthy for sensitive groups.
How much forest has the area around Rạch Giá lost since 2001?
Since 2001, the area within 10 km of Rạch Giá has lost about 13 hectares of forest (about 19 football pitches): 4.8% of the forest it had in 2000. Most of it (60%) was deforestation, forest cleared for good, mainly for farms, pasture and plantations. Comparing satellite maps from 2000 and 2020, the forest around Rạch Giá grew from about 188 hectares to 281 hectares, a net gain of about 93 hectares (+49%). New forest grew on about 110 hectares, while 16 hectares were lost.
What is the tree count in Rạch Giá?
Rạch Giá has an estimated 44,413 trees across the 9.5 km² of land measured — 18.7% tree cover, 11 percentage points short of the 30% tree-cover target set for this area.
How many more trees does Rạch Giá need?
Rạch Giá needs roughly 26,838 more trees to close a 11-point shortfall against its 30% tree-cover target — about 590.4 t of extra CO₂ absorbed per year once grown.
How are Rạch Giá'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 Rach Gia; the tree count is an estimate derived from that cover.
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