Country comparison · 75 cities measured
Italy vs Thailand Air quality index (AQI) and deforestation
Italy has cleaner air than Thailand right now: its cities average AQI 51 against 61.
At ground stations alone, which measure rather than estimate, the averages are Italy 43 (18 cities) and Thailand 66 (28 cities). Thailand has lost more forest since 2001. Thailand 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.
Italy51Thailand61
Head to head
Italy vs Thailand at a glance
Italy is ahead on 4 of 6 measures, and Thailand on 2. The better figure in each row is marked.
| Italy | Thailand | |
|---|---|---|
| Average air qualityUS AQI, all measured cities. | 51 (better) | 61 |
| At ground stationsCities with a current station reading. | 43 (better) | 66 |
| Cities over AQI 100Not fine for sensitive groups. | 7% | 0% (better) |
| Forest lost since 2001The whole country. | 547,000 ha (better) | 2.84 million ha |
| Share of its forest lostOf what it had in 2000. | 5.9% (better) | 14% |
| Average tree coverAcross its measured cities. | 23.6% | 32.7% (better) |
Air quality today
Is Italy cleaner than Thailand?
On air quality, yes, right now. Italy has cleaner air than Thailand right now: its cities average AQI 51 against 61.
At ground stations alone, which measure rather than estimate, the averages are Italy 43 (18 cities) and Thailand 66 (28 cities).
7% of the measured cities in Italy are over AQI 100 today, the point where the air stops being fine for sensitive groups, against 0% in Thailand.
How each country's cities split across the air quality bands
Italy
- Good20 (45%)
- Moderate21 (48%)
- Unhealthy for sensitive groups3 (7%)
Thailand
- Good5 (16%)
- Moderate26 (84%)
Every measured city, including model estimates where no ground station is near.
Against everywhere else
How do Italy and Thailand compare with other countries?
Right now the cities of Italy average cleaner air than 52% of the 171 countries Airleaf has enough cities to average, and those of Thailand than 36%.
Cleaner air than…
- Italy
- Beats 52%
- Thailand
- Beats 36%
More tree cover than…
- Italy
- Beats 49%
- Thailand
- Beats 73%
Deforestation · 2001–2025
Which country has lost more forest, Italy or Thailand?
Thailand has lost more: about 2.84 million ha of forest from 2001 to 2025, against 547,000 ha in Italy, or 5.2 times as much. 2.49 million ha of Thailand'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: 2019, with 59,300 ha lost.
Worst year: 2017, with 199,000 ha lost.
| Italy | Thailand | |
|---|---|---|
| Forest lost since 2001Cleared, burned or logged. | 547,000 ha (better) | 2.84 million ha |
| Share of its forestOf what it had in 2000. | 5.9% (better) | 14% |
| Cleared for goodTurned into farms, mines or towns. | 50,500 ha (better) | 2.49 million ha |
| Recent trend2021–2025 against the five years before. | Holding steady | Holding steady |
| Main known cause | Logging (74%) | Farms, pasture and plantations (86%) |
Trees
Which country has more tree cover, Italy or Thailand?
Thailand does: its measured cities average 32.7% tree cover against 23.6%, a gap of 9.2 percentage points.
| Italy | Thailand | |
|---|---|---|
| Trees standingSummed across measured cities. | 3.1M (better) | 3.0M |
| Cities below their targetShort of the canopy target. | 80% | 42% (better) |
| Trees still neededTo reach those targets. | 1.1M | 286K (better) |
Behind the averages
The cities behind Italy and Thailand
An average says nothing about how far apart the best and worst places are. These are the measured cities at each end.
Thailand
- Greenest measured city
- Kabin Buri64.4% tree cover
- Worst air right now
- Nakhon PathomAQI 99
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: 44 in Italy and 31 in Thailand, 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. Italy rests on 44 cities against 31, so its average is the steadier of the two. Forest figures come from the University of Maryland's Global Forest Change maps.
Frequently asked
Italy vs Thailand: your questions answered
Is Italy cleaner than Thailand?
On air quality, yes, right now: Italy's cities average AQI 51 against 61 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 Italy 43 (18 cities) and Thailand 66 (28 cities).
Which country has lost more forest, Italy or Thailand?
Thailand has lost more: about 2.84 million ha of forest from 2001 to 2025, against 547,000 ha in Italy, or 5.2 times as much. 2.49 million ha of Thailand'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, Italy or Thailand?
Thailand does: its measured cities average 32.7% tree cover against 23.6%, a gap of 9.2 percentage points.
How many cities are the Italy and Thailand figures based on?
44 measured cities in Italy and 31 in Thailand. 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 Italy and Thailand?
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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