City report · Bosnia and Herzegovina
Mostar Air quality today
Air quality in Mostar currently reads AQI 66 (Moderate): Unusually sensitive people should consider limiting long outdoor exertion.
AQI 66
Air quality right now
Moderate
- PM2.5, fine particles (µg/m³)
- 17.2
- tree cover
- 29.5%
- trees in this area
- 92.5K
- more trees needed
- 1.6K
Measured across a 2 km radius around 88000 Mostar, Bosnia and Herzegovina (12.57 km²), from a satellite image of Sep 13, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Mostar · AQI 66 (Moderate)
Mostar's tree count comes to 92,492 trees across 12.54 km² of land, 1 points below the 30% tree-cover level considered healthy for this area, so roughly 1,568 more trees would close the gap.
Air quality detail
Air quality in Mostar today: AQI 66, Moderate
Main pollutant: PM2.5 · Observed Nov 11, 17:00 local time via OpenAQ ground stations, US EPA index. Values in µg/m³.
Ground station · MOSTAR, 1.3 km away
Health signal
Unusually sensitive people should consider limiting long outdoor exertion.
PM2.5
17.2
PM10
21.7
NO₂
41.9
O₃
4.8
SO₂
5.3
CO
495.5
Data: OpenAQ · EEA
- 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 Mostar's daily AQI at 71 on average, from 61 on Nov 10 to an hourly peak of 111 on Nov 9.
Where Mostar stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Mostar: Below target
29.5% tree cover against a 30% healthy-neighborhood target, across 12.54 km² of land.
Trees in this area
92,492
Target trees
94,060
More trees needed
1,568
CO₂ if planted / yr
34.5 t
Deforestation · 2001–2025
How much forest has Mostar lost?
Since 2001, the area within 10 km of Mostar has lost about 171 hectares of forest (about 240 football pitches): 2.9% of the forest it had in 2000. Most of it was lost to wildfires, so much of it can grow back. About 30 hectares (17%) was deforestation: forest cleared for good for farms, mines or towns.
2017: satellite photo from August 2017 of a 5 × 5 km area in the city center.
- Forest lost since 2001
- 171 haabout 240 football pitches
- Share of its forest
- 2.9%of what there was in 2000
- Cleared for good
- 30 hadeforestation: turned into farms, mines or towns
The worst year was 2012, when about 46 hectares of forest were lost, mostly to wildfires.
Hectares of forest lost each year
Show the figures as a table
| Year | Cleared for good | Can grow back | Total |
|---|---|---|---|
| 2001 | under 1 ha | under 1 ha | under 1 ha |
| 2002 | under 1 ha | under 1 ha | under 1 ha |
| 2003 | under 1 ha | under 1 ha | under 1 ha |
| 2004 | under 1 ha | 26 ha | 27 ha |
| 2005 | under 1 ha | under 1 ha | under 1 ha |
| 2006 | under 1 ha | under 1 ha | under 1 ha |
| 2007 | 1 ha | 2 ha | 3 ha |
| 2008 | under 1 ha | 1 ha | 2 ha |
| 2009 | under 1 ha | 2 ha | 3 ha |
| 2010 | under 1 ha | under 1 ha | under 1 ha |
| 2011 | 1 ha | under 1 ha | 2 ha |
| 2012 | under 1 ha | 46 ha | 46 ha |
| 2013 | under 1 ha | 31 ha | 31 ha |
| 2014 | under 1 ha | 1 ha | 1 ha |
| 2015 | 1 ha | under 1 ha | 1 ha |
| 2016 | 13 ha | 1 ha | 14 ha |
| 2017 | 2 ha | under 1 ha | 2 ha |
| 2018 | under 1 ha | 2 ha | 3 ha |
| 2019 | under 1 ha | under 1 ha | under 1 ha |
| 2020 | under 1 ha | 1 ha | 1 ha |
| 2021 | 2 ha | under 1 ha | 2 ha |
| 2022 | 3 ha | 8 ha | 10 ha |
| 2023 | under 1 ha | under 1 ha | 2 ha |
| 2024 | 4 ha | 8 ha | 11 ha |
| 2025 | under 1 ha | 6 ha | 7 ha |
What is causing deforestation around Mostar?
- Wildfirescan grow back72% · 122 ha
- Towns and roadscleared for good8.7% · 15 ha
- Mining and energycleared for good7.5% · 13 ha
Also: logging, 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
- 6,430 ha
- Forest in 2020
- 6,390 ha
- Overall change
- −37 haless forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Mostar stayed about the same size, at about 6,390 hectares: new forest grew on about 78 hectares, and about 114 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 Mostar
Same 2 km radius, same index — so they compare directly.
- Zenica95.8 km
Bosnia and Herzegovina
- Tree cover
- 41%
- Air quality
- 161
- Nikšić112.0 km
Montenegro
- Tree cover
- 34%
- Air quality
- 96
- Split112.1 km
Croatia
- Tree cover
- 29%
- Air quality
- 70
- Herceg Novi115.4 km
Montenegro
- Tree cover
- 61%
- Air quality
- 63
- Pljevlja125.4 km
Montenegro
- Tree cover
- 46%
- Air quality
- 39
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Frequently asked
Questions about Mostar
What is the air quality (AQI) in Mostar right now?
The latest reading for Mostar shows an AQI of 66 (Moderate), measured Nov 11, 17:00 local time by the MOSTAR ground monitoring station, 1.3 km away, via OpenAQ. The main pollutant is PM2.5. Unusually sensitive people should consider limiting long outdoor exertion.
Is it safe to exercise outside in Mostar today?
At AQI 66 (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 Mostar been like this week?
Over the last 7 days, the CAMS air-quality model put Mostar's daily AQI at 71 on average, from 61 on Nov 10 to an hourly peak of 111 on Nov 9. No day averaged above 100, the level where the air turns unhealthy for sensitive groups.
How much forest has the area around Mostar lost since 2001?
Since 2001, the area within 10 km of Mostar has lost about 171 hectares of forest (about 240 football pitches): 2.9% of the forest it had in 2000. Most of it was lost to wildfires, so much of it can grow back. About 30 hectares (17%) was deforestation: forest cleared for good for farms, mines or towns. Comparing satellite maps from 2000 and 2020, the forest around Mostar stayed about the same size, at about 6,390 hectares: new forest grew on about 78 hectares, and about 114 hectares were lost.
What is the tree count in Mostar?
Mostar has an estimated 92,492 trees across the 12.54 km² of land measured — 29.5% tree cover, 1 percentage points short of the 30% tree-cover target set for this area.
How many more trees does Mostar need?
Mostar needs roughly 1,568 more trees to close a 1-point shortfall against its 30% tree-cover target — about 34.5 t of extra CO₂ absorbed per year once grown.
How are Mostar's air quality and tree cover measured?
Air quality is measured by ground monitoring stations near 88000 Mostar, via OpenAQ; the 7-day trend is the Open-Meteo / CAMS model's estimate. 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 88000 Mostar; the tree count is an estimate derived from that cover.
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