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Airleaf

City report · Croatia

Split Air quality today

Air quality in Split currently reads AQI 72 (Moderate): Unusually sensitive people should consider limiting long outdoor exertion.

AQI 72

Air quality right now

Moderate

Main pollutant: PM2.5
PM2.5, fine particles (µg/m³)
17.2
tree cover
29.2%
trees in this area
62.9K
more trees needed
1.7K

Measured across a 2 km radius around Grad, Split, Croatia (12.57 km²), from a satellite image of Sep 13, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.

Split · AQI 72 (Moderate)

Dark green marks tree cover detected inside the study radius.Sentinel-2 L2A (ESA Copernicus) via Earth Search, captured Sep 13, 2026

Split's tree count comes to 62,930 trees across 8.62 km² of land, 1 points below the 30% tree-cover level considered healthy for this area, so roughly 1,724 more trees would close the gap.

Air quality detail

Air quality in Split today: AQI 72, Moderate

Main pollutant: PM2.5 · Observed Nov 11, 12:00 local time via Open-Meteo / CAMS, corrected with 5 ground-station cities within 225 km, US EPA index. Values in µg/m³.

Estimate · model corrected with 5 station cities within 225 km, e.g. Mostar and Zenica

Health signal

Unusually sensitive people should consider limiting long outdoor exertion.

PM2.5

17.2

PM10

6.7

NO₂

5.5

O₃

54.0

SO₂

0.5

CO

150.0

Outdoor exercise
Fine for most people; unusually sensitive people should take long or hard exercise easier
Windows
Fine to open; close them if you are sensitive to pollution
Mask
Not needed for most people
Air purifier
Worth running if you are sensitive

Over the last 7 days, the CAMS air-quality model put Split's daily AQI at 61 on average, from 35 on Nov 11 to an hourly peak of 102 on Nov 7.

Last 7 daysavg 61 · peak 102
Nov 5: AQI 63 (peak 82)Nov 6: AQI 76 (peak 90)Nov 7: AQI 85 (peak 102)Nov 8: AQI 63 (peak 98)Nov 9: AQI 61 (peak 76)Nov 10: AQI 46 (peak 77)Nov 11: AQI 35 (peak 38)
Nov 5Nov 11

Where Split stands: the most polluted cities in the world right now · the cleanest

Tree cover detail

Tree cover in Split: Below target

29.2% tree cover against a 30% healthy-neighborhood target, across 8.62 km² of land.

1 points below target

Trees in this area

62,930

Target trees

64,654

More trees needed

1,724

CO₂ if planted / yr

37.9 t

Deforestation · 2001–2025

How much forest has Split lost?

Since 2001, the area within 10 km of Split has lost about 298 hectares of forest (about 420 football pitches): 26% of the forest it had in 2000. Most of it was lost to wildfires, so much of it can grow back. About 16 hectares (5.3%) was deforestation: forest cleared for good for farms, mines or towns.

Satellite image of the area around Split, August 2017

2017: satellite photo from August 2017 of a 5 × 5 km area about 7 km east of the city center.

Forest lost since 2001
298 haabout 420 football pitches
Share of its forest
26%of what there was in 2000
Cleared for good
16 hadeforestation: turned into farms, mines or towns

The worst year was 2010, when about 80 hectares of forest were lost, mostly to wildfires.

Forest lost each year around Split, 2001–2025

Hectares of forest lost each year

Forest lost each year around Split, 2001–2025. Use the left and right arrow keys to read each year.80

Show the figures as a table
Forest lost each year around Split, 2001–2025
YearCleared for goodCan grow backTotal
2001under 1 ha18 ha18 ha
2002under 1 ha23 ha24 ha
2003under 1 haunder 1 haunder 1 ha
20042 haunder 1 ha2 ha
2005under 1 haunder 1 ha2 ha
2006under 1 haunder 1 haunder 1 ha
2007under 1 ha1 ha2 ha
2008under 1 ha2 ha3 ha
2009under 1 ha9 ha9 ha
2010under 1 ha80 ha80 ha
2011under 1 ha34 ha35 ha
2012under 1 ha9 ha9 ha
2013under 1 haunder 1 haunder 1 ha
2014under 1 haunder 1 haunder 1 ha
2015under 1 haunder 1 haunder 1 ha
2016under 1 haunder 1 haunder 1 ha
2017under 1 ha62 ha62 ha
2018under 1 ha7 ha8 ha
20193 haunder 1 ha3 ha
2020under 1 haunder 1 haunder 1 ha
2021under 1 haunder 1 haunder 1 ha
2022under 1 haunder 1 haunder 1 ha
20232 ha18 ha20 ha
2024under 1 ha17 ha17 ha
20253 haunder 1 ha3 ha

What is causing deforestation around Split?

  • Wildfirescan grow back91% · 271 ha
  • Towns and roadscleared for good5% · 15 ha
  • Loggingcan grow back3% · 9 ha

Also: farms, pasture and plantations, unknown causes.

Causes for 2025 are estimates, based on what caused forest loss in the same places up to 2024.

Forest gained and lost, 2000–2020

Forest in 2000
1,450 ha
Forest in 2020
1,040 ha
Overall change
−408 haless forest than in 2000

Comparing satellite maps from 2000 and 2020, the forest around Split shrank from about 1,450 hectares to 1,040 hectares, a net loss of about 408 hectares (−28%). New forest grew on about 38 hectares, but 446 hectares were lost.

These 2000 and 2020 maps, from the University of Maryland, count any land with trees taller than 5 m as forest, including plantations and orchards. Forest that was cut or burned and had grown back by 2020 counts in both years, so the loss here is smaller than the yearly figures.

These figures cover everything within 10 km of the city center, a wider area than the report above, because forest is usually lost at a city's edges.

Source: Hansen/UMD/Google/USGS/NASA, Global Forest Change (GFC-2025-v1.13); causes: WRI/Google DeepMind drivers of forest loss; both CC BY 4.0, summed by Airleaf for each area. Forest gained and lost 2000–2020: Potapov et al. 2022, UMD GLAD Global Land Cover and Land Use Change, CC BY 4.0. Images: contains modified Copernicus Sentinel data. How it's measured

In the same region

Measured cities near Split

Same 2 km radius, same index — so they compare directly.

  • Mostar

    Bosnia and Herzegovina

    112.1 km
    Tree cover
    30%
    Air quality
    64
  • Zadar

    Croatia

    118.5 km
    Tree cover
    17%
    Air quality
    54
    Compare with Split
  • Zenica

    Bosnia and Herzegovina

    140.5 km
    Tree cover
    41%
    Air quality
    152
  • Banja Luka

    Bosnia and Herzegovina

    153.9 km
    Tree cover
    20%
    Air quality
    154
  • Sarajevo

    Bosnia and Herzegovina

    158.7 km
    Tree cover
    34%
    Air quality
    222
  • Herceg Novi

    Montenegro

    207.2 km
    Tree cover
    61%
    Air quality
    84

Also compared:Split vs ZagrebSplit vs Rijeka

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Split air quality (AQI) and tree cover — measured by Airleaf
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Frequently asked

Questions about Split

What is the air quality (AQI) in Split right now?

The latest reading for Split shows an AQI of 72 (Moderate), observed Nov 11, 12:00 local time via Open-Meteo / CAMS, corrected with 5 ground-station cities within 225 km, US EPA index. The main pollutant is PM2.5. Unusually sensitive people should consider limiting long outdoor exertion.

Is it safe to exercise outside in Split today?

At AQI 72 (Moderate): fine for most people; unusually sensitive people should take long or hard exercise easier. Windows: fine to open; close them if you are sensitive to pollution. Masks: not needed for most people. The reading changes through the day, so check again before a long run or ride.

What has the air quality in Split been like this week?

Over the last 7 days, the CAMS air-quality model put Split's daily AQI at 61 on average, from 35 on Nov 11 to an hourly peak of 102 on Nov 7. No day averaged above 100, the level where the air turns unhealthy for sensitive groups.

How much forest has the area around Split lost since 2001?

Since 2001, the area within 10 km of Split has lost about 298 hectares of forest (about 420 football pitches): 26% of the forest it had in 2000. Most of it was lost to wildfires, so much of it can grow back. About 16 hectares (5.3%) was deforestation: forest cleared for good for farms, mines or towns. Comparing satellite maps from 2000 and 2020, the forest around Split shrank from about 1,450 hectares to 1,040 hectares, a net loss of about 408 hectares (−28%). New forest grew on about 38 hectares, but 446 hectares were lost.

What is the tree count in Split?

Split has an estimated 62,930 trees across the 8.62 km² of land measured — 29.2% tree cover, 1 percentage points short of the 30% tree-cover target set for this area.

How many more trees does Split need?

Split needs roughly 1,724 more trees to close a 1-point shortfall against its 30% tree-cover target — about 37.9 t of extra CO₂ absorbed per year once grown.

How are Split's air quality and tree cover measured?

Air quality comes from ground monitoring stations via OpenAQ where one reports nearby, and otherwise, as here, from the Open-Meteo / CAMS model, which may differ from street-level monitors. Tree cover is measured from Sentinel-2 L2A (ESA Copernicus) via Earth Search satellite imagery at 10 m detail across a 2 km radius around Grad; the tree count is an estimate derived from that cover.

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