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Airleaf

City report · Yobe State, Nigeria

Gashua Air quality today

Air quality in Gashua currently reads AQI 128 (Unhealthy for sensitive groups): Sensitive groups should limit long or intense outdoor activity.

Air quality right now

AQI 128

Unhealthy for sensitive groups

Main pollutant: PM2.5
PM2.5, fine particles (µg/m³)
41.9
tree cover
2.7%
trees in this area
8.5K
more trees needed
101K

Measured across a 2 km radius around Gashua, Yobe, Nigeria (12.57 km²), from a satellite image of Oct 30, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.

Gashua · AQI 128 (Unhealthy for sensitive groups)

Dark green marks tree cover detected inside the study radius.Sentinel-2 L2A (ESA Copernicus) via Earth Search, captured Oct 30, 2026

Gashua's tree count comes to 8,457 trees across 12.53 km² of land, 32 points below the 35% tree-cover level considered healthy for this area, so roughly 101,169 more trees would close the gap.

Air quality detail

Air quality in Gashua today: AQI 128, 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

41.9

PM10

370.7

NO₂

0.5

O₃

66.0

SO₂

0.2

CO

117.0

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 Gashua's daily AQI at 139 on average, from 112 on Nov 8 to an hourly peak of 173 on Nov 5.

Last 7 daysavg 139 · peak 173
Nov 4: AQI 137 (peak 158)Nov 5: AQI 163 (peak 173)Nov 6: AQI 155 (peak 164)Nov 7: AQI 125 (peak 140)Nov 8: AQI 112 (peak 152)Nov 9: AQI 129 (peak 159)Nov 10: AQI 150 (peak 157)
Nov 4Nov 10

Where Gashua stands: the most polluted cities in the world right now · the cleanest

Tree cover detail

Tree cover in Gashua: Critically low

2.7% tree cover against a 35% healthy-neighborhood target, across 12.53 km² of land.

32 points below target

Trees in this area

8,457

Target trees

109,626

More trees needed

101,169

CO₂ if planted / yr

2,226 t

Deforestation · 2001–2025

How much forest has Gashua lost?

There was almost no forest around Gashua 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.

Satellite image of the area around Gashua, February 2017

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

In the same region

Measured cities near Gashua

Same 2 km radius, same index — so they compare directly.

  • Nguru

    Nigeria

    63.4 km
    Tree cover
    9%
    Air quality
    71
  • Hadejia

    Nigeria

    118.1 km
    Tree cover
    5%
    Air quality
    63
  • Azare

    Nigeria

    162.2 km
    Tree cover
    8%
    Air quality
    52
  • Chakwama

    Nigeria

    209.1 km
    Tree cover
    4%
    Air quality
    54
  • Zinder

    Niger

    245.1 km
    Tree cover
    4%
    Air quality
    54
  • Maiduguri

    Nigeria

    256.7 km
    Tree cover
    7%
    Air quality
    59

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Gashua air quality (AQI) and tree cover — measured by Airleaf
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Frequently asked

Questions about Gashua

What is the air quality (AQI) in Gashua right now?

The latest reading for Gashua shows an AQI of 128 (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 Gashua today?

At AQI 128 (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 Gashua been like this week?

Over the last 7 days, the CAMS air-quality model put Gashua's daily AQI at 139 on average, from 112 on Nov 8 to an hourly peak of 173 on Nov 5. On 7 of those days the average was above 100, unhealthy for sensitive groups.

How much forest has the area around Gashua lost since 2001?

There was almost no forest around Gashua 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 Gashua?

Gashua has an estimated 8,457 trees across the 12.53 km² of land measured — 2.7% tree cover, 32 percentage points short of the 35% tree-cover target set for this area.

How many more trees does Gashua need?

Gashua needs roughly 101,169 more trees to close a 32-point shortfall against its 35% tree-cover target — about 2,226 t of extra CO₂ absorbed per year once grown.

How are Gashua'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 Gashua; the tree count is an estimate derived from that cover.

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