City report · Mali
Ségou Air quality today
Air quality in Ségou currently reads AQI 93 (Moderate): Unusually sensitive people should consider limiting long outdoor exertion.
Air quality right now
AQI 93
Moderate
- PM2.5, fine particles (µg/m³)
- 33.3
- tree cover
- 12.0%
- trees in this area
- 34.3K
- more trees needed
- 51.5K
Measured across a 2 km radius around Segou3, Ségou, Mali (12.57 km²), from a satellite image of Sep 16, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Ségou · AQI 93 (Moderate)
Ségou's tree count comes to 34,306 trees across 11.44 km² of land, 18 points below the 30% tree-cover level considered healthy for this area, so roughly 51,459 more trees would close the gap.
Air quality detail
Air quality in Ségou today: AQI 93, Moderate
Main pollutant: PM2.5 · Observed Nov 10, 21:00 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
33.3
PM10
82.2
NO₂
5.3
O₃
44.0
SO₂
0.9
CO
201.0
- 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 Ségou's daily AQI at 75 on average, from 59 on Nov 4 to an hourly peak of 110 on Nov 8.
Where Ségou stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Ségou: Critically low
12.0% tree cover against a 30% healthy-neighborhood target, across 11.44 km² of land.
Trees in this area
34,306
Target trees
85,765
More trees needed
51,459
CO₂ if planted / yr
1,132 t
Deforestation · 2001–2025
How much forest has Ségou lost?
There was almost no forest around Ségou in 2000, so there has been almost nothing to lose since. Only fairly dense woodland counts as forest in these maps, so scattered street and garden trees don't show up here.
2017: satellite photo from January 2017 of a 5 × 5 km area in the city center.
Forest gained and lost, 2000–2020
- Forest in 2000
- 169 ha
- Forest in 2020
- 205 ha
- Overall change
- +36 hamore forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Ségou grew from about 169 hectares to 205 hectares, a net gain of about 36 hectares (+21%). New forest grew on about 36 hectares, while under 1 hectare was 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 Ségou
What is the air quality (AQI) in Ségou right now?
The latest reading for Ségou shows an AQI of 93 (Moderate), observed Nov 10, 21:00 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 Ségou today?
At AQI 93 (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 Ségou been like this week?
Over the last 7 days, the CAMS air-quality model put Ségou's daily AQI at 75 on average, from 59 on Nov 4 to an hourly peak of 110 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 Ségou lost since 2001?
There was almost no forest around Ségou in 2000, so there has been almost nothing to lose since. Only fairly dense woodland counts as forest in these maps, so scattered street and garden trees don't show up here. Comparing satellite maps from 2000 and 2020, the forest around Ségou grew from about 169 hectares to 205 hectares, a net gain of about 36 hectares (+21%). New forest grew on about 36 hectares, while under 1 hectare was lost.
What is the tree count in Ségou?
Ségou has an estimated 34,306 trees across the 11.44 km² of land measured — 12.0% tree cover, 18 percentage points short of the 30% tree-cover target set for this area.
How many more trees does Ségou need?
Ségou needs roughly 51,459 more trees to close a 18-point shortfall against its 30% tree-cover target — about 1,132 t of extra CO₂ absorbed per year once grown.
How are Ségou'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 Segou3; the tree count is an estimate derived from that cover.
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