City report · Gabon
Franceville Air quality today
Air quality in Franceville currently reads AQI 56 (Moderate): Unusually sensitive people should consider limiting long outdoor exertion.
AQI 56
Air quality right now
Moderate
- PM2.5, fine particles (µg/m³)
- 11.7
- tree cover
- 49.5%
- trees in this area
- 156K
- more trees needed
- 0
Measured across a 2 km radius around Franceville, Gabon (12.57 km²), from a satellite image of Aug 17, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Franceville · AQI 56 (Moderate)
Franceville's tree count comes to 155,509 trees across 12.57 km², already at or above the 30% tree-cover level considered healthy for this area.
Air quality detail
Air quality in Franceville today: AQI 56, Moderate
Main pollutant: PM2.5 · Observed Nov 10, 19:00 local time via Open-Meteo / CAMS, US EPA index. Values in µg/m³.
Model estimate · no ground station nearby
Health signal
Unusually sensitive people should consider limiting long outdoor exertion.
PM2.5
11.7
PM10
12.2
NO₂
3.1
O₃
43.0
SO₂
1.3
CO
179.0
- 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 Franceville's daily AQI at 40 on average, from 27 on Nov 7 to an hourly peak of 76 on Nov 4.
Where Franceville stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Franceville: Healthy tree cover
49.5% tree cover against a 30% healthy-neighborhood target, across 12.57 km².
Trees in this area
155,509
Target trees
155,509
More trees needed
0
CO₂ if planted / yr
0 kg
Deforestation · 2001–2025
How much forest has Franceville lost?
Since 2001, the area within 10 km of Franceville has lost about 7,100 hectares of forest (about 10,000 football pitches): 26% of the forest it had in 2000. Most of it was lost to shifting farming, so much of it can grow back. About 472 hectares (6.6%) was deforestation: forest cleared for good for farms, mines or towns.
2017: satellite photo from March 2017 of a 5 × 5 km area about 6 km north of the city center.
- Forest lost since 2001
- 7,100 haabout 10,000 football pitches
- Share of its forest
- 26%of what there was in 2000
- Cleared for good
- 472 hadeforestation: turned into farms, mines or towns
Forest loss has stayed about the same: about 387 hectares a year in 2021–2025, against 511 hectares a year in 2016–2020. The worst year was 2016, when about 821 hectares of forest were lost.
Hectares of forest lost each year
Show the figures as a table
| Year | Cleared for good | Can grow back | Total |
|---|---|---|---|
| 2001 | 3 ha | 60 ha | 63 ha |
| 2002 | 16 ha | 175 ha | 191 ha |
| 2003 | 15 ha | 597 ha | 612 ha |
| 2004 | under 1 ha | 13 ha | 13 ha |
| 2005 | 7 ha | 221 ha | 228 ha |
| 2006 | under 1 ha | 8 ha | 8 ha |
| 2007 | 23 ha | 109 ha | 132 ha |
| 2008 | 8 ha | 92 ha | 100 ha |
| 2009 | 8 ha | 95 ha | 103 ha |
| 2010 | 10 ha | 117 ha | 127 ha |
| 2011 | under 1 ha | 21 ha | 21 ha |
| 2012 | 6 ha | 86 ha | 92 ha |
| 2013 | 23 ha | 369 ha | 391 ha |
| 2014 | 20 ha | 353 ha | 373 ha |
| 2015 | 11 ha | 148 ha | 158 ha |
| 2016 | 42 ha | 779 ha | 821 ha |
| 2017 | 64 ha | 585 ha | 649 ha |
| 2018 | 16 ha | 165 ha | 181 ha |
| 2019 | 29 ha | 499 ha | 528 ha |
| 2020 | 21 ha | 355 ha | 376 ha |
| 2021 | 22 ha | 218 ha | 240 ha |
| 2022 | 46 ha | 731 ha | 777 ha |
| 2023 | 14 ha | 270 ha | 284 ha |
| 2024 | 8 ha | 119 ha | 127 ha |
| 2025 | 60 ha | 449 ha | 509 ha |
What is causing deforestation around Franceville?
- Shifting farmingcan grow back93% · 6,630 ha
- Towns and roadscleared for good6% · 428 ha
Also: farms, pasture and plantations, logging, mining and energy, 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
- 18,800 ha
- Forest in 2020
- 16,800 ha
- Overall change
- −2,020 haless forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Franceville shrank from about 18,800 hectares to 16,800 hectares, a net loss of about 2,020 hectares (−11%). New forest grew on about 429 hectares, but 2,450 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 Franceville
Same 2 km radius, same index — so they compare directly.
- Nkayi285.5 km
Republic of the Congo
- Tree cover
- 11%
- Air quality
- 52
- Dolisie302.8 km
Republic of the Congo
- Tree cover
- 17%
- Air quality
- 12
- Brazzaville348.3 km
Republic of the Congo
- Tree cover
- 1%
- Air quality
- 93
- Kinshasa355.9 km
Democratic Republic of the Congo
- Tree cover
- 1%
- Air quality
- 102
- Masina365.8 km
Democratic Republic of the Congo
- Tree cover
- 21%
- Air quality
- 93
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Frequently asked
Questions about Franceville
What is the air quality (AQI) in Franceville right now?
The latest reading for Franceville shows an AQI of 56 (Moderate), observed Nov 10, 19:00 local time via Open-Meteo / CAMS, 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 Franceville today?
At AQI 56 (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 Franceville been like this week?
Over the last 7 days, the CAMS air-quality model put Franceville's daily AQI at 40 on average, from 27 on Nov 7 to an hourly peak of 76 on Nov 4. No day averaged above 100, the level where the air turns unhealthy for sensitive groups.
How much forest has the area around Franceville lost since 2001?
Since 2001, the area within 10 km of Franceville has lost about 7,100 hectares of forest (about 10,000 football pitches): 26% of the forest it had in 2000. Most of it was lost to shifting farming, so much of it can grow back. About 472 hectares (6.6%) was deforestation: forest cleared for good for farms, mines or towns. Forest loss has stayed about the same: about 387 hectares a year in 2021–2025, against 511 hectares a year in 2016–2020. Comparing satellite maps from 2000 and 2020, the forest around Franceville shrank from about 18,800 hectares to 16,800 hectares, a net loss of about 2,020 hectares (−11%). New forest grew on about 429 hectares, but 2,450 hectares were lost.
What is the tree count in Franceville?
Franceville has an estimated 155,509 trees across the 12.57 km² measured — 49.5% tree cover, already past the 30% tree-cover target set for this area.
How many more trees does Franceville need?
Franceville has already reached its tree-cover target, so no additional trees are needed to close the gap.
How are Franceville'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 Franceville; the tree count is an estimate derived from that cover.
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