City report · Ca Mau, Vietnam
Giá Rai Air quality today
Air quality in Giá Rai currently reads AQI 21 (Good): Air quality is satisfactory for everyone.
AQI 21
Air quality right now
Good
- PM2.5, fine particles (µg/m³)
- 3.7
- tree cover
- 19.6%
- trees in this area
- 61.3K
- more trees needed
- 32.5K
Measured across a 2 km radius around Gia Rai, Bac Lieu, Vietnam (12.57 km²), from a satellite image of Jul 18, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Giá Rai · AQI 21 (Good)
Giá Rai's tree count comes to 61,329 trees across 12.52 km² of land, 10 points below the 30% tree-cover level considered healthy for this area, so roughly 32,542 more trees would close the gap.
Air quality detail
Air quality in Giá Rai today: AQI 21, Good
Main pollutant: PM2.5 · Observed Nov 10, 20:00 local time via Open-Meteo / CAMS, corrected with 4 ground-station cities within 245 km, US EPA index. Values in µg/m³.
Estimate · model corrected with 4 station cities within 245 km, e.g. Can Giuoc and Ho Chi Minh City
Health signal
Air quality is satisfactory for everyone.
PM2.5
3.7
PM10
10.9
NO₂
2.8
O₃
83.0
SO₂
1.9
CO
172.0
- 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 Giá Rai's daily AQI at 47 on average, from 39 on Nov 4 to an hourly peak of 65 on Nov 5.
Where Giá Rai stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Giá Rai: Below target
19.6% tree cover against a 30% healthy-neighborhood target, across 12.52 km² of land.
Trees in this area
61,329
Target trees
93,871
More trees needed
32,542
CO₂ if planted / yr
715.9 t
Deforestation · 2001–2025
How much forest has Giá Rai lost?
There was very little forest around Giá Rai in 2000, about 97 hectares, and about 5 hectares of it has been lost since. Only fairly dense woodland counts as forest in these maps, so scattered street and garden trees don't show up here.
2017: satellite photo from March 2017 of a 5 × 5 km area in the city center.
The worst year was 2002, when about 3 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 | 1 ha | 2 ha |
| 2002 | under 1 ha | 3 ha | 3 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 | under 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 | under 1 ha | under 1 ha | under 1 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 | under 1 ha |
| 2023 | under 1 ha | under 1 ha | under 1 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 Giá Rai?
- Farms, pasture and plantationscleared for good15% · under 1 ha
- Unknown causescause unknown81% · 4 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
- 104 ha
- Forest in 2020
- 156 ha
- Overall change
- +52 hamore forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Giá Rai grew from about 104 hectares to 156 hectares, a net gain of about 52 hectares (+50%). New forest grew on about 56 hectares, while 5 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 Giá Rai
What is the air quality (AQI) in Giá Rai right now?
The latest reading for Giá Rai shows an AQI of 21 (Good), observed Nov 10, 20:00 local time via Open-Meteo / CAMS, corrected with 4 ground-station cities within 245 km, US EPA index. The main pollutant is PM2.5. Air quality is satisfactory for everyone.
Is it safe to exercise outside in Giá Rai today?
At AQI 21 (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 Giá Rai been like this week?
Over the last 7 days, the CAMS air-quality model put Giá Rai's daily AQI at 47 on average, from 39 on Nov 4 to an hourly peak of 65 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 Giá Rai lost since 2001?
There was very little forest around Giá Rai in 2000, about 97 hectares, and about 5 hectares of it has been lost since. Only fairly dense woodland counts as forest in these maps, so scattered street and garden trees don't show up here. Comparing satellite maps from 2000 and 2020, the forest around Giá Rai grew from about 104 hectares to 156 hectares, a net gain of about 52 hectares (+50%). New forest grew on about 56 hectares, while 5 hectares were lost.
What is the tree count in Giá Rai?
Giá Rai has an estimated 61,329 trees across the 12.52 km² of land measured — 19.6% tree cover, 10 percentage points short of the 30% tree-cover target set for this area.
How many more trees does Giá Rai need?
Giá Rai needs roughly 32,542 more trees to close a 10-point shortfall against its 30% tree-cover target — about 715.9 t of extra CO₂ absorbed per year once grown.
How are Giá Rai'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 Gia Rai; the tree count is an estimate derived from that cover.
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