City report · Can Tho City, Vietnam
Ô Môn Air quality today
Air quality in Ô Môn currently reads AQI 55 (Moderate): Unusually sensitive people should consider limiting long outdoor exertion.
Air quality right now
AQI 55
Moderate
- PM2.5, fine particles (µg/m³)
- 9.7
- tree cover
- 34.5%
- trees in this area
- 103K
- more trees needed
- 0
Measured across a 2 km radius around O Mon, Can Tho, Vietnam (12.57 km²), from a satellite image of Oct 11, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Ô Môn · AQI 55 (Moderate)
Ô Môn's tree count comes to 103,182 trees across 11.97 km² of land, already at or above the 30% tree-cover level considered healthy for this area.
Air quality detail
Air quality in Ô Môn today: AQI 55, Moderate
Main pollutant: PM2.5 · Observed Nov 11, 16:00 local time via Open-Meteo / CAMS, corrected with 7 ground-station cities within 165 km, US EPA index. Values in µg/m³.
Estimate · model corrected with 7 station cities within 165 km, e.g. Can Giuoc and Ho Chi Minh City
Health signal
Unusually sensitive people should consider limiting long outdoor exertion.
PM2.5
9.7
PM10
11.4
NO₂
6.6
O₃
100.0
SO₂
9.7
CO
263.0
- 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 Ô Môn's daily AQI at 69 on average, from 60 on Nov 11 to an hourly peak of 99 on Nov 7.
Where Ô Môn stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Ô Môn: Healthy tree cover
34.5% tree cover against a 30% healthy-neighborhood target, across 11.97 km² of land.
Trees in this area
103,182
Target trees
103,182
More trees needed
0
CO₂ if planted / yr
0 kg
Deforestation · 2001–2025
How much forest has Ô Môn lost?
Since 2001, the area within 10 km of Ô Môn has lost about 75 hectares of forest (about 100 football pitches): 2.5% of the forest it had in 2000. Most of it (56%) 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
- 75 haabout 100 football pitches
- Share of its forest
- 2.5%of what there was in 2000
- Cleared for good
- 42 hadeforestation: turned into farms, mines or towns
The worst year was 2010, when about 20 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 | 4 ha | 3 ha | 7 ha |
| 2002 | 2 ha | 1 ha | 3 ha |
| 2003 | 2 ha | 3 ha | 5 ha |
| 2004 | 2 ha | 1 ha | 3 ha |
| 2005 | 2 ha | 2 ha | 4 ha |
| 2006 | 5 ha | 3 ha | 8 ha |
| 2007 | under 1 ha | under 1 ha | under 1 ha |
| 2008 | under 1 ha | under 1 ha | under 1 ha |
| 2009 | 7 ha | 6 ha | 13 ha |
| 2010 | 10 ha | 10 ha | 20 ha |
| 2011 | 5 ha | 2 ha | 7 ha |
| 2012 | 2 ha | 1 ha | 3 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 Ô Môn?
- Farms, pasture and plantationscleared for good49% · 36 ha
- Towns and roadscleared for good7% · 5 ha
- Unknown causescause unknown44% · 33 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
- 2,700 ha
- Forest in 2020
- 3,010 ha
- Overall change
- +304 hamore forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Ô Môn grew from about 2,700 hectares to 3,010 hectares, a net gain of about 304 hectares (+11%). New forest grew on about 344 hectares, while 41 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 Ô Môn
What is the air quality (AQI) in Ô Môn right now?
The latest reading for Ô Môn shows an AQI of 55 (Moderate), observed Nov 11, 16:00 local time via Open-Meteo / CAMS, corrected with 7 ground-station cities within 165 km, US EPA index. The main pollutant is PM2.5. Unusually sensitive people should consider limiting long outdoor exertion.
Is it safe to exercise outside in Ô Môn today?
At AQI 55 (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 Ô Môn been like this week?
Over the last 7 days, the CAMS air-quality model put Ô Môn's daily AQI at 69 on average, from 60 on Nov 11 to an hourly peak of 99 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 Ô Môn lost since 2001?
Since 2001, the area within 10 km of Ô Môn has lost about 75 hectares of forest (about 100 football pitches): 2.5% of the forest it had in 2000. Most of it (56%) was deforestation, forest cleared for good, mainly for farms, pasture and plantations. Comparing satellite maps from 2000 and 2020, the forest around Ô Môn grew from about 2,700 hectares to 3,010 hectares, a net gain of about 304 hectares (+11%). New forest grew on about 344 hectares, while 41 hectares were lost.
What is the tree count in Ô Môn?
Ô Môn has an estimated 103,182 trees across the 11.97 km² of land measured — 34.5% tree cover, already past the 30% tree-cover target set for this area.
How many more trees does Ô Môn need?
Ô Môn has already reached its tree-cover target, so no additional trees are needed to close the gap.
How are Ô Môn'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 O Mon; the tree count is an estimate derived from that cover.
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