City report · Rwanda
Gisenyi Air quality today
Air quality in Gisenyi currently reads AQI 47 (Good): Air quality is satisfactory for everyone.
Air quality right now
AQI 47
Good
- PM2.5, fine particles (µg/m³)
- 7.5
- tree cover
- 22.8%
- trees in this area
- 36.8K
- more trees needed
- 11.6K
Measured across a 2 km radius around Rubavu, Western, Rwanda (12.57 km²), from a satellite image of Sep 3, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Gisenyi · AQI 47 (Good)
Gisenyi's tree count comes to 36,817 trees across 6.46 km² of land, 7 points below the 30% tree-cover level considered healthy for this area, so roughly 11,626 more trees would close the gap.
Air quality detail
Air quality in Gisenyi today: AQI 47, Good
Main pollutant: PM2.5 · Observed Nov 11, 09:00 local time via Open-Meteo / CAMS, US EPA index. Values in µg/m³.
Model estimate · no ground station nearby
Health signal
Air quality is satisfactory for everyone.
PM2.5
7.5
PM10
7.7
NO₂
1.0
O₃
69.0
SO₂
2.3
CO
272.0
- Outdoor exercise
- A good day to be active outside
- Windows
- Open them to air the house
- Mask
- Not needed
- Air purifier
- Not needed
Over the last 7 days, the CAMS air-quality model put Gisenyi's daily AQI at 52 on average, from 42 on Nov 10 to an hourly peak of 87 on Nov 8.
Where Gisenyi stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Gisenyi: Below target
22.8% tree cover against a 30% healthy-neighborhood target, across 6.46 km² of land.
Trees in this area
36,817
Target trees
48,443
More trees needed
11,626
CO₂ if planted / yr
255.8 t
Deforestation · 2001–2025
How much forest has Gisenyi lost?
Since 2001, the area within 10 km of Gisenyi has lost about 684 hectares of forest (about 960 football pitches): 6.6% of the forest it had in 2000. Most of it (99%) was deforestation, forest cleared for good, mainly for towns and roads.
2017: satellite photo from August 2017 of a 5 × 5 km area about 7 km east of the city center.
- Forest lost since 2001
- 684 haabout 960 football pitches
- Share of its forest
- 6.6%of what there was in 2000
- Cleared for good
- 676 hadeforestation: turned into farms, mines or towns
The worst year was 2009, when about 140 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 | 5 ha | under 1 ha | 5 ha |
| 2002 | 5 ha | under 1 ha | 5 ha |
| 2003 | 2 ha | under 1 ha | 2 ha |
| 2004 | 6 ha | under 1 ha | 6 ha |
| 2005 | 5 ha | under 1 ha | 5 ha |
| 2006 | 1 ha | under 1 ha | 2 ha |
| 2007 | 35 ha | under 1 ha | 35 ha |
| 2008 | 3 ha | under 1 ha | 3 ha |
| 2009 | 139 ha | 1 ha | 140 ha |
| 2010 | 123 ha | under 1 ha | 123 ha |
| 2011 | 17 ha | under 1 ha | 18 ha |
| 2012 | 6 ha | under 1 ha | 6 ha |
| 2013 | 14 ha | under 1 ha | 14 ha |
| 2014 | 15 ha | 2 ha | 17 ha |
| 2015 | 8 ha | under 1 ha | 8 ha |
| 2016 | 23 ha | under 1 ha | 23 ha |
| 2017 | 25 ha | under 1 ha | 25 ha |
| 2018 | 38 ha | under 1 ha | 38 ha |
| 2019 | 39 ha | under 1 ha | 39 ha |
| 2020 | 30 ha | under 1 ha | 30 ha |
| 2021 | 33 ha | under 1 ha | 33 ha |
| 2022 | 29 ha | under 1 ha | 29 ha |
| 2023 | 39 ha | under 1 ha | 39 ha |
| 2024 | 20 ha | under 1 ha | 21 ha |
| 2025 | 18 ha | under 1 ha | 18 ha |
What is causing deforestation around Gisenyi?
- Towns and roadscleared for good52% · 358 ha
- Farms, pasture and plantationscleared for good46% · 315 ha
Also: mining and energy, shifting farming, storms, floods and other natural causes, logging, 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
- 5,460 ha
- Forest in 2020
- 5,410 ha
- Overall change
- −45 haless forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Gisenyi stayed about the same size, at about 5,410 hectares: new forest grew on about 297 hectares, and about 342 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
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Frequently asked
Questions about Gisenyi
What is the air quality (AQI) in Gisenyi right now?
The latest reading for Gisenyi shows an AQI of 47 (Good), observed Nov 11, 09:00 local time via Open-Meteo / CAMS, US EPA index. The main pollutant is PM2.5. Air quality is satisfactory for everyone.
Is it safe to exercise outside in Gisenyi today?
At AQI 47 (Good): a good day to be active outside. Windows: open them to air the house. Masks: not needed. The reading changes through the day, so check again before a long run or ride.
What has the air quality in Gisenyi been like this week?
Over the last 7 days, the CAMS air-quality model put Gisenyi's daily AQI at 52 on average, from 42 on Nov 10 to an hourly peak of 87 on Nov 8. No day averaged above 100, the level where the air turns unhealthy for sensitive groups.
How much forest has the area around Gisenyi lost since 2001?
Since 2001, the area within 10 km of Gisenyi has lost about 684 hectares of forest (about 960 football pitches): 6.6% of the forest it had in 2000. Most of it (99%) was deforestation, forest cleared for good, mainly for towns and roads. Comparing satellite maps from 2000 and 2020, the forest around Gisenyi stayed about the same size, at about 5,410 hectares: new forest grew on about 297 hectares, and about 342 hectares were lost.
What is the tree count in Gisenyi?
Gisenyi has an estimated 36,817 trees across the 6.46 km² of land measured — 22.8% tree cover, 7 percentage points short of the 30% tree-cover target set for this area.
How many more trees does Gisenyi need?
Gisenyi needs roughly 11,626 more trees to close a 7-point shortfall against its 30% tree-cover target — about 255.8 t of extra CO₂ absorbed per year once grown.
How are Gisenyi'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 Rubavu; the tree count is an estimate derived from that cover.
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