City report · Nigeria
Gusau Air quality today
Air quality in Gusau currently reads AQI 143 (Unhealthy for sensitive groups): Sensitive groups should limit long or intense outdoor activity.
AQI 143
Air quality right now
Unhealthy for sensitive groups
- PM2.5, fine particles (µg/m³)
- 46.7
- tree cover
- 7.6%
- trees in this area
- 23.9K
- more trees needed
- 86.1K
Measured across a 2 km radius around Gusau 632101, Zamfara, Nigeria (12.57 km²), from a satellite image of Oct 30, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Gusau · AQI 143 (Unhealthy for sensitive groups)
Gusau's tree count comes to 23,876 trees across 12.57 km², 27 points below the 35% tree-cover level considered healthy for this area, so roughly 86,080 more trees would close the gap.
Air quality detail
Air quality in Gusau today: AQI 143, Unhealthy for sensitive groups
Main pollutant: PM2.5 · Observed Nov 10, 16:00 local time via Open-Meteo / CAMS, US EPA index. Values in µg/m³.
Model estimate · no ground station nearby
Health signal
Sensitive groups should limit long or intense outdoor activity.
PM2.5
46.7
PM10
289.6
NO₂
0.9
O₃
98.0
SO₂
0.7
CO
176.0
- Outdoor exercise
- Children, older adults and people with asthma or heart disease should cut down long or hard exercise
- Windows
- Close them to keep the outside air out
- Mask
- Sensitive groups: an N95 outdoors
- Air purifier
- Run one, especially in bedrooms
Over the last 7 days, the CAMS air-quality model put Gusau's daily AQI at 165 on average, from 143 on Nov 8 to an hourly peak of 214 on Nov 7.
Where Gusau stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Gusau: Critically low
7.6% tree cover against a 35% healthy-neighborhood target, across 12.57 km².
Trees in this area
23,876
Target trees
109,956
More trees needed
86,080
CO₂ if planted / yr
1,894 t
Deforestation · 2001–2025
How much forest has Gusau lost?
There was almost no forest around Gusau 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.
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. Images: contains modified Copernicus Sentinel data. How it's measured
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Frequently asked
Questions about Gusau
What is the air quality (AQI) in Gusau right now?
The latest reading for Gusau shows an AQI of 143 (Unhealthy for sensitive groups), observed Nov 10, 16:00 local time via Open-Meteo / CAMS, US EPA index. The main pollutant is PM2.5. Sensitive groups should limit long or intense outdoor activity.
Is it safe to exercise outside in Gusau today?
At AQI 143 (Unhealthy for sensitive groups): children, older adults and people with asthma or heart disease should cut down long or hard exercise. Windows: close them to keep the outside air out. Masks: sensitive groups: an N95 outdoors. The reading changes through the day, so check again before a long run or ride.
What has the air quality in Gusau been like this week?
Over the last 7 days, the CAMS air-quality model put Gusau's daily AQI at 165 on average, from 143 on Nov 8 to an hourly peak of 214 on Nov 7. On 7 of those days the average was above 100, unhealthy for sensitive groups.
How much forest has the area around Gusau lost since 2001?
There was almost no forest around Gusau 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.
What is the tree count in Gusau?
Gusau has an estimated 23,876 trees across the 12.57 km² measured — 7.6% tree cover, 27 percentage points short of the 35% tree-cover target set for this area.
How many more trees does Gusau need?
Gusau needs roughly 86,080 more trees to close a 27-point shortfall against its 35% tree-cover target — about 1,894 t of extra CO₂ absorbed per year once grown.
How are Gusau'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 Gusau 632101; the tree count is an estimate derived from that cover.
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