Country comparison · 170 cities measured
Malaysia vs Vietnam Air quality index (AQI) and deforestation
Vietnam has cleaner air than Malaysia right now: its cities average AQI 53 against 65.
At ground stations alone, which measure rather than estimate, the averages are Malaysia 68 (51 cities) and Vietnam 77 (20 cities), which puts Malaysia ahead instead. Malaysia has lost more forest since 2001. Malaysia has more tree cover in its cities.
Updated . Lower is better on the US EPA index: 0–50 is Good, above 300 is Hazardous. Measured by Airleaf.
Malaysia65Vietnam53
Head to head
Malaysia vs Vietnam at a glance
Malaysia and Vietnam are level, each ahead on 3 of 6 measures. The better figure in each row is marked.
| Malaysia | Vietnam | |
|---|---|---|
| Average air qualityUS AQI, all measured cities. | 65 | 53 (better) |
| At ground stationsCities with a current station reading. | 68 (better) | 77 |
| Cities over AQI 100Not fine for sensitive groups. | 5% (better) | 9% |
| Forest lost since 2001The whole country. | 9.77 million ha | 3.85 million ha (better) |
| Share of its forest lostOf what it had in 2000. | 33% | 23% (better) |
| Average tree coverAcross its measured cities. | 38.7% (better) | 35.8% |
Air quality today
Is Vietnam cleaner than Malaysia?
On air quality, yes, right now. Vietnam has cleaner air than Malaysia right now: its cities average AQI 53 against 65.
At ground stations alone, which measure rather than estimate, the averages are Malaysia 68 (51 cities) and Vietnam 77 (20 cities), which puts Malaysia ahead instead.
5% of the measured cities in Malaysia are over AQI 100 today, the point where the air stops being fine for sensitive groups, against 9% in Vietnam.
How each country's cities split across the air quality bands
Malaysia
- Good15 (27%)
- Moderate38 (68%)
- Unhealthy for sensitive groups3 (5%)
Vietnam
- Good43 (38%)
- Moderate61 (54%)
- Unhealthy for sensitive groups7 (6%)
- Unhealthy3 (3%)
Every measured city, including model estimates where no ground station is near.
Against everywhere else
How do Malaysia and Vietnam compare with other countries?
Right now the cities of Malaysia average cleaner air than 30% of the 171 countries Airleaf has enough cities to average, and those of Vietnam than 48%.
Cleaner air than…
- Malaysia
- Beats 30%
- Vietnam
- Beats 48%
More tree cover than…
- Malaysia
- Beats 85%
- Vietnam
- Beats 79%
Deforestation · 2001–2025
Which country has lost more forest, Malaysia or Vietnam?
Malaysia has lost more: about 9.77 million ha of forest from 2001 to 2025, against 3.85 million ha in Vietnam, or 2.5 times as much. 7.55 million ha of Malaysia's was cleared for good, for farms, mines or towns; the rest burned, was logged or can grow back.
The whole country, from the yearly satellite maps of forest loss: unlike the city averages above, this counts every forest, not just the land around cities.
Worst year: 2014, with 643,000 ha lost.
Worst year: 2016, with 357,000 ha lost.
| Malaysia | Vietnam | |
|---|---|---|
| Forest lost since 2001Cleared, burned or logged. | 9.77 million ha | 3.85 million ha (better) |
| Share of its forestOf what it had in 2000. | 33% | 23% (better) |
| Cleared for goodTurned into farms, mines or towns. | 7.55 million ha | 1.41 million ha (better) |
| Recent trend2021–2025 against the five years before. | Slowing down | Slowing down |
| Main known cause | Farms, pasture and plantations (74%) | Logging (47%) |
Trees
Which country has more tree cover, Malaysia or Vietnam?
Malaysia does: its measured cities average 38.7% tree cover against 35.8%, a gap of 3.0 percentage points.
| Malaysia | Vietnam | |
|---|---|---|
| Trees standingSummed across measured cities. | 6.3M | 12.0M (better) |
| Cities below their targetShort of the canopy target. | 45% | 44% (better) |
| Trees still neededTo reach those targets. | 518K (better) | 1.4M |
Behind the averages
The cities behind Malaysia and Vietnam
An average says nothing about how far apart the best and worst places are. These are the measured cities at each end.
Malaysia
- Greenest measured city
- Ijok81.0% tree cover
- Worst air right now
- Selayang Baru UtaraAQI 137
Vietnam
- Greenest measured city
- Thị Trấn Thuận Châu82.6% tree cover
- Worst air right now
- Phúc YênAQI 152
Reading these numbers
What a country average is, and is not
It is a mean of cities
Not a national statistic. Each figure is the average across the cities Airleaf has measured: 56 in Malaysia and 114 in Vietnam, each read over the same 2 km radius, on the US EPA index. Rural land and unmeasured towns are not in it.
Coverage shapes the number
A country measured mostly in its capital reads differently from one measured across dozens of towns. Vietnam rests on 114 cities against 56, so its average is the steadier of the two. Forest figures come from the University of Maryland's Global Forest Change maps.
Frequently asked
Malaysia vs Vietnam: your questions answered
Is Vietnam cleaner than Malaysia?
On air quality, yes, right now: Vietnam's cities average AQI 53 against 65 on the US EPA index. These are live readings averaged across cities, so the gap moves with the weather. At ground stations alone, which measure rather than estimate, the averages are Malaysia 68 (51 cities) and Vietnam 77 (20 cities), which puts Malaysia ahead instead.
Which country has lost more forest, Malaysia or Vietnam?
Malaysia has lost more: about 9.77 million ha of forest from 2001 to 2025, against 3.85 million ha in Vietnam, or 2.5 times as much. 7.55 million ha of Malaysia's was cleared for good, for farms, mines or towns; the rest burned, was logged or can grow back.
Which country has more tree cover, Malaysia or Vietnam?
Malaysia does: its measured cities average 38.7% tree cover against 35.8%, a gap of 3.0 percentage points.
How many cities are the Malaysia and Vietnam figures based on?
56 measured cities in Malaysia and 114 in Vietnam. Every one was read the same way, so the two averages are directly comparable, but a country with more measured cities has the more settled figure.
Why are there two air quality averages for each country?
The first covers every measured city, using a ground station where one is close and a model estimate everywhere else. The second counts only cities with a current station reading, which is measured rather than estimated but covers fewer places. Airleaf's world rankings use the station figures only.
Does this cover the whole of Malaysia and Vietnam?
The air and tree figures are not: they are the cities Airleaf has measured, each over the same 2 km radius, so treat them as a comparison of urban air and urban tree cover. The forest figures are: they count every forest in the country.
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