Country comparison · 123 cities measured
Chile vs United Kingdom Air quality index (AQI) and deforestation
United Kingdom has cleaner air than Chile right now: its cities average AQI 35 against 60.
Chile has lost more forest since 2001. United Kingdom has more tree cover in its cities.
Average of 31 cities
AQI 60
Moderate
Cleaner on average
- Tree cover
- 12.9%
- Forest lost since 2001
- 2.43 million ha
Average of 92 cities
AQI 35
Good
Cleaner on average
- At ground stations
- AQI 32
- Tree cover
- 26.6%
- Forest lost since 2001
- 607,000 ha
Updated . Lower is better on the US EPA index: 0–50 is Good, above 300 is Hazardous. Measured by Airleaf.
Chile60United Kingdom35
Head to head
Chile vs United Kingdom at a glance
United Kingdom is ahead on 4 of 5 measures, and Chile on 1. The better figure in each row is marked.
| Chile | United Kingdom | |
|---|---|---|
| Average air qualityUS AQI, all measured cities. | 60 | 35 (better) |
| Cities over AQI 100Not fine for sensitive groups. | 6% | 0% (better) |
| Forest lost since 2001The whole country. | 2.43 million ha | 607,000 ha (better) |
| Share of its forest lostOf what it had in 2000. | 14% (better) | 17% |
| Average tree coverAcross its measured cities. | 12.9% | 26.6% (better) |
Air quality today
Is United Kingdom cleaner than Chile?
On air quality, yes, right now. United Kingdom has cleaner air than Chile right now: its cities average AQI 35 against 60.
6% of the measured cities in Chile are over AQI 100 today, the point where the air stops being fine for sensitive groups, against 0% in the United Kingdom.
How each country's cities split across the air quality bands
Chile
- Good12 (39%)
- Moderate17 (55%)
- Unhealthy for sensitive groups2 (6%)
United Kingdom
- Good66 (72%)
- Moderate26 (28%)
Every measured city, including model estimates where no ground station is near.
Against everywhere else
How do Chile and United Kingdom compare with other countries?
Right now the cities of Chile average cleaner air than 38% of the 171 countries Airleaf has enough cities to average, and those of the United Kingdom than 80%.
Cleaner air than…
- Chile
- Beats 38%
- United Kingdom
- Beats 80%
More tree cover than…
- Chile
- Beats 25%
- United Kingdom
- Beats 58%
Deforestation · 2001–2025
Which country has lost more forest, Chile or United Kingdom?
Chile has lost more: about 2.43 million ha of forest from 2001 to 2025, against 607,000 ha in the United Kingdom, or 4 times as much. 96,100 ha of Chile'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: 2017, with 214,000 ha lost.
Worst year: 2009, with 37,400 ha lost.
| Chile | United Kingdom | |
|---|---|---|
| Forest lost since 2001Cleared, burned or logged. | 2.43 million ha | 607,000 ha (better) |
| Share of its forestOf what it had in 2000. | 14% (better) | 17% |
| Cleared for goodTurned into farms, mines or towns. | 96,100 ha | 15,700 ha (better) |
| Recent trend2021–2025 against the five years before. | Slowing down | Holding steady |
| Main known cause | Logging (82%) | Logging (93%) |
Trees
Which country has more tree cover, Chile or United Kingdom?
United Kingdom does: its measured cities average 26.6% tree cover against 12.9%, a gap of 13.7 percentage points.
| Chile | United Kingdom | |
|---|---|---|
| Trees standingSummed across measured cities. | 1.2M | 7.4M (better) |
| Cities below their targetShort of the canopy target. | 94% | 68% (better) |
| Trees still neededTo reach those targets. | 1.6M | 1.5M (better) |
Behind the averages
The cities behind Chile and United Kingdom
An average says nothing about how far apart the best and worst places are. These are the measured cities at each end.
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: 31 in Chile and 92 in the United Kingdom, 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. United Kingdom rests on 92 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
Chile vs United Kingdom: your questions answered
Is United Kingdom cleaner than Chile?
On air quality, yes, right now: United Kingdom's cities average AQI 35 against 60 on the US EPA index. These are live readings averaged across cities, so the gap moves with the weather.
Which country has lost more forest, Chile or United Kingdom?
Chile has lost more: about 2.43 million ha of forest from 2001 to 2025, against 607,000 ha in the United Kingdom, or 4 times as much. 96,100 ha of Chile'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, Chile or United Kingdom?
United Kingdom does: its measured cities average 26.6% tree cover against 12.9%, a gap of 13.7 percentage points.
How many cities are the Chile and United Kingdom figures based on?
31 measured cities in Chile and 92 in the United Kingdom. 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.
Does this cover the whole of Chile and the United Kingdom?
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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