Country comparison
Indonesia vs Italy
Averaged across every city Airleaf has measured in each country — 156 in Indonesia and 44 in Italy — each read the same way: Sentinel-2 imagery at 10 m detail over a 2 km radius, and the live US EPA air quality index.
Italy averages more tree cover — 31.8% against 29.5%.
Italy averages cleaner air — AQI 41 against 110.
- Tree cover gap
- 2.3 points
- Italy is ahead.
- Air quality gap
- 69 AQI
- Italy is cleaner.
- Cities behind it
- 156 vs 44
- How much each average rests on.
Average tree cover
Mean across measured cities, each over the same 2 km radius.
29.5%
31.8%
Average air quality index
US EPA index. Lower is better.
110
41
Cities measured
How much each average rests on.
156
44
Trees still needed
Summed across measured cities, to reach their canopy targets. Fewer is better.
4.9M
596K
Behind the averages
The extremes in each country
An average says nothing about how far apart the best and worst places are. These are the measured cities at each end.
Indonesia
- Greenest measured city
- Banjar95.4% tree cover
- Worst air right now
- PalangkarayaAQI 749
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 in that country — 156 in Indonesia and 44 in Italy — each read over the same 2 km radius. Rural land, forest and everywhere unmeasured are not in it, so this compares urban areas rather than territories.
Coverage shapes the number
A country measured mostly in its capital reads differently from one measured across dozens of towns. Indonesia rests on 156 cities against 44, so its average is the steadier of the two. Both firm up as coverage grows.
Frequently asked
Indonesia and Italy, answered
Which country has more tree cover, Indonesia or Italy?
Italy, averaging 31.8% across its measured cities against 29.5% — a gap of 2.3 percentage points.
Which has cleaner air, Indonesia or Italy?
Italy, averaging AQI 41 against 110 on the US EPA index. These are live readings averaged across cities, so the gap moves with the weather.
How many cities is each figure based on?
156 measured cities in Indonesia and 44 in Italy. 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.
Is this the whole country?
No. It is the cities Airleaf has measured, each over a 2 km radius from its centre. Forest, farmland and unmeasured towns are not included, so treat this as a comparison of urban tree cover and urban air rather than of national land cover.
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