City report · Katsina State, Nigeria
Katsina Air quality today
Air quality in Katsina currently reads AQI 61 (Moderate): Unusually sensitive people should consider limiting long outdoor exertion.
AQI 61
Air quality right now
Moderate
- PM2.5, fine particles (µg/m³)
- 13.3
- tree cover
- 3.5%
- trees in this area
- 11.0K
- more trees needed
- 83.3K
Measured across a 2 km radius around Katsina, Nigeria (12.57 km²), from a satellite image of Oct 30, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Katsina · AQI 61 (Moderate)
Katsina's tree count comes to 10,996 trees across 12.57 km², 27 points below the 30% tree-cover level considered healthy for this area, so roughly 83,252 more trees would close the gap.
Air quality detail
Air quality in Katsina today: AQI 61, Moderate
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
Unusually sensitive people should consider limiting long outdoor exertion.
PM2.5
13.3
PM10
27.7
NO₂
1.2
O₃
75.0
SO₂
0.6
CO
147.0
- 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 Katsina's daily AQI at 150 on average, from 105 on Nov 10 to an hourly peak of 303 on Nov 4.
Where Katsina stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Katsina: Critically low
3.5% tree cover against a 30% healthy-neighborhood target, across 12.57 km².
Trees in this area
10,996
Target trees
94,248
More trees needed
83,252
CO₂ if planted / yr
1,832 t
Deforestation · 2001–2025
How much forest has Katsina lost?
There was almost no forest around Katsina 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 February 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 Katsina
What is the air quality (AQI) in Katsina right now?
The latest reading for Katsina shows an AQI of 61 (Moderate), observed Nov 10, 16:00 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 Katsina today?
At AQI 61 (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 Katsina been like this week?
Over the last 7 days, the CAMS air-quality model put Katsina's daily AQI at 150 on average, from 105 on Nov 10 to an hourly peak of 303 on Nov 4. On 7 of those days the average was above 100, unhealthy for sensitive groups.
How much forest has the area around Katsina lost since 2001?
There was almost no forest around Katsina 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 Katsina?
Katsina has an estimated 10,996 trees across the 12.57 km² measured — 3.5% tree cover, 27 percentage points short of the 30% tree-cover target set for this area.
How many more trees does Katsina need?
Katsina needs roughly 83,252 more trees to close a 27-point shortfall against its 30% tree-cover target — about 1,832 t of extra CO₂ absorbed per year once grown.
How are Katsina'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 Katsina; the tree count is an estimate derived from that cover.
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