Country comparison
Morocco vs Poland
Averaged across every city Airleaf has measured in each country — 37 in Morocco and 39 in Poland — 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.
Poland averages more tree cover — 52.9% against 5.3%.
Morocco averages cleaner air — AQI 41 against 60.
- Tree cover gap
- 47.6 points
- Poland is ahead.
- Air quality gap
- 19 AQI
- Morocco is cleaner.
- Cities behind it
- 37 vs 39
- How much each average rests on.
Average tree cover
Mean across measured cities, each over the same 2 km radius.
5.3%
52.9%
Average air quality index
US EPA index. Lower is better.
41
60
Cities measured
How much each average rests on.
37
39
Trees standing
Summed across every measured city in each country.
584K
6.4M
Cities below their target
Share of measured cities short of the canopy target. Lower is better.
100% (37)
3% (1)
Trees still needed
Summed across measured cities, to reach their canopy targets. Fewer is better.
2.7M
1.2K
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.
Poland
- Greenest measured city
- Wałbrzych79.7% tree cover
- Worst air right now
- CzęstochowaAQI 91
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 — 37 in Morocco and 39 in Poland — 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. Poland rests on 39 cities against 37, so its average is the steadier of the two. Both firm up as coverage grows.
Frequently asked
Morocco and Poland, answered
Which country has more tree cover, Morocco or Poland?
Poland, averaging 52.9% across its measured cities against 5.3% — a gap of 47.6 percentage points.
Which has cleaner air, Morocco or Poland?
Morocco, averaging AQI 41 against 60 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?
37 measured cities in Morocco and 39 in Poland. 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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Morocco